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One reason that stainless steel appliances are popular in the kitchen is because of the surface’s rust and corrosion resistance. However, if dust, dirt and dust are not allowed to accumulate on a mirror-like surface, this is also true. Fortunately, stainless steel is easy to clean. In order to avoid scratching the surface defects, here are some handy tips and methods that you can use to take care of your stainless steel appliances:

Use water and cloth. The least risky way to clean stainless steel is to simply wipe it off with tap water and a soft cloth and gently wipe the surface regularly.seamless steel pipe suppliers

Gentle detergent and cloth. If the surface is dirtier than normal, use a mild liquid detergent such as detergent, warm water and a soft rag. The application rate is limited to avoid spillage and streaking.

To remove fingerprints, use a glass cleaner. Those sticky on stainless steel, the icky fingerprint mark is the number one complaint of the owner of the shiny appliance. Regularly spray glass cleaner or household ammonia to easily cut fingerprints without leaving any traces. Tip: Spray the cleaner directly onto the cloth, not the metal surface. And always wipe with a gentle circular motion until the fingerprint disappears. Wipe dry with a clean towel.

Use a stainless steel cleaner. If you notice any stains or scratches on the surface or the surface is dull, use the recommended stainless steel cleaner. Read the instructions carefully and then clean the small areas of the unobtrusive area for testing. Always polish with stainless steel particles and never touch it.

User manual. Please read the user manual when receiving the device for the first time and before attempting to clean the device. Follow the manufacturer’s recommended cleaning instructions to maximize the life and appearance of your equipment. Take extra care when cleaning some newer devices. They may have a protective clear coat that can be damaged if not cleaned properly.

Despite its name, stainless steel can be dyed. Any scratches or nicks on the surface and contaminants that penetrate the inner core can cause contamination or corrosion. Brand-name cleaners and even water can cause damage if not used properly.

GreenSpec is the foremost ‘Green Building’ resource in the UK. Unbiased of corporations and trade our bodies and launched in 2003 with authorities funding, GreenSpec promotes sustainable building merchandise, materials and construction techniques. Cementitous, phenolic, polyisocynurate, and polyurethane are 4 material varieties of spray foam insulation. Thermal conductivity will depend on material, and, for fluids, its temperature and stress. They can be utilized for thermal insulation materials, packing materials, sport & leisure, commodity, building material and so on. One vessel having a carbon-metal wall of thickness 10 mm is carrying saturated steam and water at 441 Okay. The vessel is insulated with magnesia of thickness 50 mm. If the ambient air temperature is 303 Okay, decide the warmth loss from the vessel.

Because of how it’s made, by successfully weaving high quality strands of glass into an insulation materials, fiberglass is ready to minimize warmth switch. On 1 January 2018, the North American insulation enterprise rebranded to ROCKWOOL North America. It comes in two sorts, expanded (EPS) and extruded (XEPS) also referred to as Styrofoam. Since June 2000 it states a ban on the circulation, manufacturing and use of bio-persistent artificial mineral fibres for warmth safety and sound absorption in buildings, and for the technical insulation.

There’s a must develop extra environment friendly insulating supplies when it comes to warmth switch, water repellent properties, ease of utility, strength, and many others. We carry best quality high temperature insulation supplies, which conform to international high quality requirements. Therefore, the higher the number of cells (which may keep the gas stagnant) and the smaller their dimension, the decrease the thermal conductivity of such insulating materials. Instantly after formation, the fibres are sprayed with resinous binders, water repellents and mineral oils as applicable and fall underneath suction onto a shifting conveyor which takes the wool to considered one of three production lines (Figure 30.3).

Thermal spray foam insulation simply refers back to the insulating materials being used to sluggish warmth loss. Although putting in foam tends to me dearer that putting in fiber, you possibly can breathe easier with R values from four-6.5. Supplies beneath rigid insulation foam embrace polystyrene and polyurethane spray foam. In further reading, there’s a temporary description of these kind of insulation materials. The wool passes by means of an oven which cures the resinous binder and determines the thickness of the product.

Dry stagnant gas is one of the greatest insulating supplies. Polystyrene foams are ninety five-98% air. The natural insulation materials treated on this part are all derived from a petrochemical or renewable feedstock (bio-primarily based). Glass wool insulation panel with fiberglass insulation sound proofing glasswool board. Key strengths, weaknesses, and threats shaping the main gamers in the market have additionally been included in this research report. Our purpose is to educate and promote the use of sustainable building products which might be better for you, better on your house and higher for the atmosphere.

Straight seam welded pipe, where the production of straight seam welded pipe, hot expansion pipe, etc., with strip steel as raw material for production, the pipe obtained by straight seam welding on welding equipment is called straight seam welded pipe. (Because the welded portion of the steel pipe is in a straight line, it is named). Among them, according to different uses, and different post-production processes, (substantially can be divided into scaffolding tubes, fluid tubes, wire casings, bracket tubes, guardrail tubes, etc.). Straight seam welded pipe standard GB/T3091-2008 and low pressure fluid welded pipe is a kind of straight seam welded pipe. Generally, water and gas are transported.steel coil manufacturers

After welding, more water pressure test is carried out than ordinary welded pipe. The current low pressure fluid pipe is more straight than ordinary straight seam. The price of welded pipe is a little higher (according to the current market price, it is about 80 yuan higher).

Main production process description of large diameter straight seam welded pipe:

1. Panel inspection: After the steel plate used to manufacture the large-diameter submerged arc welded straight seam steel pipe enters the production line, the whole board ultrasonic inspection is first carried out;
2. X-ray inspection I: 100% X-ray industrial TV inspection of internal and external welds, using image processing system to ensure the sensitivity of flaw detection;
3. Expanding diameter: Expanding the full length of the submerged arc welded straight seam steel pipe to improve the dimensional accuracy of the steel pipe and improve the distribution of stress in the steel pipe;
4. Milling edge: double-sided milling the two edges of the steel plate by the edge milling machine to achieve the required plate width, parallelism of the edge and the shape of the groove;
5. Pre-bend: use the pre-bending machine to pre-bend the edge of the board so that the edge of the board has the required curvature;
6. Molding: First, half of the pre-bent steel plate is stepped and stamped on the JCO molding machine, pressed into a “J” shape, and then the other half of the steel plate is also bent, pressed into a “C” shape, and finally an opening is formed. “O” shape
7. Pre-welding: joints of straight seam welded steel pipes after forming and continuous welding by gas shielded welding (MAG);
8. Internal welding: welding by longitudinal multi-wire submerged arc welding (up to four wires) on the inside of a straight seam steel pipe;
9. External welding: welding by longitudinal multi-wire submerged arc welding on the outside of straight seam submerged arc welded steel pipe;
10. Ultrasonic inspection I: 100% inspection of the inner and outer welds of straight seam welded steel pipes and the base metal on both sides of the weld;
11. Hydraulic test: On the hydraulic testing machine, the steel pipe after the diameter expansion is tested one by one to ensure that the steel pipe meets the test pressure required by the standard. The machine has automatic recording and storage functions;
12. Chamfering: The steel pipe after passing the inspection shall be processed at the pipe end to achieve the required pipe end groove size;
13. Ultrasonic inspection II: Ultrasonic inspection is carried out again and again to check for defects that may occur after straightening and water pressure of straight seam welded steel pipes;
14. X-ray inspection II: X-ray industrial TV inspection and tube end weld filming of the steel pipe after the expansion and hydrostatic test;
15. Anti-corrosion and coating: The qualified steel pipe is preserved and coated according to user requirements;
16. Tube end magnetic particle inspection: Perform this inspection to find the tube end defect.

Thermal Insulation Boards are manufactured from different types of thermal insulating materials. Lightweight concrete with Poraver® meets high standards and offers fireplace protection, thermal insulation and sustainable building with ease of recycling in addition to easy processing and a excessive load capacity. Absorption of moisture by the insulating supplies can happen not solely by direct contact with water leaking into the hold partitions, but in addition by condensation of water vapour within the partitions where the dew level is reached in the temperature gradient by the walls. Kening Insulation manufactures a wide range of insulation supplies for both hot and cold applications.

The Origine venture in Québec units the stage for more sustainable building practices in North America. Isolation thermique et acoustique renforcée des combles perdus par soufflage mécanique.Résistance thermique modulable en fonction de l’épaisseur et des performances thermiques souhaitées. A well-insulated vessel will keep the heat of its contents for an extended time period but it will never, by itself, maintain the temperature stable. Along with this, we stick to the concept of power conservation, thus, we manufacture insulating materials that reduces global warming.

The sound blocking characteristics of rock wool depends on the frequency. I have replaced the climate seal across the entrance door just about every different 12 months or so. Generally I get the puffy vinyl stripping and it appears I at all times have to come again over it and add a skinny layer of foamy seal to fill out all the areas between door and body. The fiberglass is normally produced by a technique similar to making cotton sweet, by forcing it by a effective mesh by centripetal pressure, cooling on contact with the air.

7.14. System boundaries of the LCA of thermal insulation materials. It actually is better than fiberglass insulation. Order Poraver® within the appropriate packaging in your production process: In bags, tremendous-sacs (FIBC) or as bulk material in tanker trucks. Pure sand and recycled glass are mixed and heated to 1,450 °C, to produce glass. three. Yellow Glass Wool Insulation Shape Rolls Thickness 20 to 40 mm has good thermal and moisture permeability, so the thermal conductivity is secure for a very long time, and it does not change resulting from environmental influences, and the thermal insulation efficiency is sweet.

The most typical sound absorption material is porous glass wool fiber, which is inexpensive, however it has poor tolerance of temperature changes, low energy, and softness. However, when the polyurethane foam is protected from direct contact with flames and air is excluded, the burning of the froth is eradicated. Though a bit of dearer than among the other insulation materials, Pyrogel is getting used an increasing number of for particular functions. R worth is the time period used to explain thermal resistance, or how efficient insulation material is in resisting heat.

Cellulose (as free or pellet fibers), fiberglass, or rock wool are generally the kinds of materials used in loose-fill insulation. The binder is then hardened in a tunnel range at roughly 250 °C by means of which the merchandise get their structural stability. In this research, a literature evaluation on totally different thermal insulation materials with their properties, types and applications. An LABC Licensed product, GEOCELL Foam Glass is both economical and environmentally sound. Again, the principle characteristics of such declarations, in addition to the main environmental results included in every EPD, are summarised in Table 7.four. In this case, the methodological basis for each one of the analysed EPDs is based on its own PCR doc: the DAPc programme relies on the PCR-001 (2010) for ‘thermal insulation merchandise’, the EPD-Norway on the NPCR-012 (2007) for ‘insulation materials’, and the IBU-EPD programme on the PCR (2007) for ‘mineral insulating’.

Ordinary steel bars, commonly used as tensioning devices in reinforced concrete and reinforced concrete structures that keep concrete compressed. Deformed steel bars are usually made of carbon steel and have ridges for better mechanical anchoring of reinforced concrete. Steel structures have many advantages: the strength to weight ratio is very good, the metal is easy to connect, the effective shape is available, and the like. Nonetheless, these challenges can best be addressed by fully understanding the actual performance of the metal. a structure. For larger buildings, metal is a key element of the structural system. Steel beams and columns, deformed steel bars,steel joists, steel studs, and aluminum frames are just a few examples of metal structures.

A wise manager not only understands how to build a structure, but also the basics of how a structural system works and how it fails. Engineers, architects and contractors in the Philippines mainly use deformed steel as the basic building material for their projects. However, these bars are available in different sizes and sizes for residential use and large projects such as apartment units and commercial buildings.

Rebar production process:

Rebar is a ribbed steel bar, also known as ribbed bar, usually with two longitudinal ribs and transverse ribs evenly distributed along the length. The shape of the transverse rib is three kinds of spiral shape, herringbone shape and crescent shape. Expressed in millimeters of nominal diameter. The nominal diameter of a ribbed bar corresponds to the nominal diameter of a round bar of equal cross-section. The nominal diameter of the steel bars is 8-50 mm. The recommended diameters are 8, 12, 16, 20, 25, 32, 40 mm. Ribbed steel bars are mainly subjected to tensile stress in concrete. The ribbed steel bar has a greater bonding ability with concrete due to the action of the ribs, and thus can better withstand the external force. Ribbed bars are widely used in a variety of building structures, particularly large, heavy, lightweight, thin-walled and high-rise building structures.steel pipe supplier

Rebar is produced by small mills. The main types of small mills are: continuous, semi-continuous and horizontal. Most of the world’s new and in-use small continuous rolling mills. Popular rebar mills have a universal high-speed rolling rebar mill and a 4-pile high-volume rebar mill.

The billet used in the continuous small rolling mill is generally a continuous casting billet, and its side length is generally 130-160 mm, the length is generally about 6-12 meters, and the billet weight is 1.5~3 tons. The rolling lines are mostly arranged in a flat-upright manner, achieving full-line non-twisting rolling. According to different blank specifications and finished product sizes, there are 18, 20, 22, and 24 small rolling mills, and 18 are the mainstream. Bar rolling is mostly carried out by step-type heating furnace, high-pressure water descaling, low-temperature rolling, headless rolling and other new processes. The rough rolling and medium rolling are developed to adapt to large billets and improve rolling precision,welded pipe supplier. The finishing mill is mainly Improve accuracy and speed (up to 18m/s). Product specifications are generally ф10-40mm, also ф6-32mm or ф12-50mm. The steel grades produced are low-medium-high-carbon steels and low-alloy steels that are in large demand in the market; the maximum rolling speed is 18m/s. The production process is as follows:

Step heating furnace→rough rolling mill→medium rolling mill→finishing mill→water cooling device→cold bed→cold shearing→automatic counting device→bundling machine→unloading gantry.

As manufacturing processes evolve and become more complex, the choice of steel buyers has expanded to suit many unique needs across a wide range of industries.steel coil manufacturers

But not all types of steel are equal. Professionals in the pipeline industry can check the types of steel available today and understand why some steel pipes can make good steel pipes and other steels cannot be better steel.

1.Alloy steel

Alloy steels are like they sound: steels with a specific amount of alloying elements. In general, alloying elements make steel stronger and more resistant to impact or stress. Although the most common alloying elements include nickel, chromium, molybdenum, manganese, silicon and copper, many other elements are also used in the production of steel.

Numerous combinations of alloys and concentrations are used in the industry, each of which is designed to achieve a specific quality.

High-alloy steels are favored in the pipeline industry and are suitable for use in extreme conditions, whether in hot or cold conditions or in rough use. This is because the combination of chemistry and proper heat treatment produces a strong but ductile pipe that can be struck. The oil and gas and power generation industries often prefer alloy pipes due to their toughness.

The alloying elements also give the steel pipe a higher corrosion resistance. This makes it the first choice for chemical companies.

2.Carbon steel

Steel is produced when carbon is added to iron, and the iron itself is relatively weak. In modern industry, carbon is the most prominent additive in iron-based materials, but various alloying elements are common.

In fact, alloying elements are common even in pipeline products that are still considered carbon steel.

According to the American Iron and Steel Institute (AISI), when its core composition contains no more than 1.65% manganese, 0.60% silicon and 0.60% copper and when no other minimum content is specified, the iron-containing material is designated as carbon steel. alloy element.

Carbon steel pipes are widely used in many industries due to their strength and ease of processing. Carbon steel pipes are relatively inexpensive because they contain relatively few alloying elements and have a low concentration.

However, it is not suitable for extreme temperature or high pressure service because of the lack of alloying elements which reduce its resistance to accompanying stresses.

3.stainless steel

This word is a bit of a misnomer. There is no combination of iron and alloying elements that makes stainless steel a reality. In contrast, stainless steel refers to products made from it that do not rust.

Alloys in stainless steel may include chromium, manganese, silicon, nickel and molybdenum. Together, these alloys interact with water and oxygen in the air to quickly form a thin, strong film on the steel to prevent further corrosion.welded pipe manufacturers

Of course, stainless steel tubes are used in any industry where corrosion protection is required. Although the stainless steel tube is basically another name for the alloy tube, it is not suitable for extreme service unless it is prioritized to increase strength and impact resistance.

Due to its aesthetic appeal, stainless steel is often chosen if the pipe must be seen in a public or professional environment.

Seamless tubes are manufactured using long steel cylinders. First, the engineer heats the cylinder. They then insert a tool called a mandrel through the center of the cylinder. The cylinder is then rolled and stretched until the desired size and wall thickness of the pipe is reached.steel pipe supplier

Instead, the welded tube is started with a flat steel plate and molded into a tubular shape. Then weld the sides together. Although this type of pipe seems to have an obvious seam that must be smoothed, many pipes use high frequency current welding to seamlessly fuse the sides together.

Advantages of seamless tubes:

Welding pipes are more likely to fail at the welding location.

Even the seams may not be visible. Although the welding technique has been improved, the maximum pressure of the welded pipe can be 20% lower than that of the seamless pipe.

Seamless tubes have other advantages. Seamless tubes do not require any weld integrity testing and, in most cases, do not require heat treatment. This is because the seamless tube hardens during the manufacturing process.

It is also possible to replace the welded pipe with a seamless pipe. At the same time, due to strong regulations, welded pipes are not a substitute for seamless pipes.

Most importantly, the seamless tube is more resistant to corrosion. They contain less impurities and defects associated with ductility. These usually appear in the welded part of the welded pipe.

Advantages of welded pipes:

While seamless tubes have many advantages, welded tubes can also have some advantages. For example, welded tubes are less expensive than seamless welded tubes and they have a shorter procurement lead time.welded pipe supplier

Seamless tubes are not always required, but they are often needed in the oil and pharmaceutical industries. The high temperatures and pressures associated with its products make seamless piping a necessity.

Due to industry regulations, engineers need to consider the manufacturing and grade of piping. Seamless and welding processes cannot produce all grades.

In order to meet strict deadlines, engineers must thoroughly understand manufacturing constraints.

Whether a seamless pipe or welded pipe is the right choice for a particular building project is a complex decision that relies on multiple factors and resources. The main considerations for the pipeline to be transported.

Seamless tubes can be more expensive and difficult to obtain, but they are a sturdy and versatile product that can reshape the future of engineering.

The welded pipe begins with a long coiled steel strip called skelp. The turf is cut to the desired length to obtain a flat rectangular sheet. The width of the shorter end of the sheet will be the outer circumference of the pipe and this value can be used to calculate its final outer diameter.welded pipe manufacturers

The rectangular sheets are fed by a rolling machine that curls the long sides toward each other to form a cylinder. In the ERW process, high frequency currents pass between the edges, causing them to melt and fuse together.

One advantage of an ERW tube is that no molten metal is used and the weld is not visible or felt. This is in contrast to double submerged arc welding (DSAW), which leaves a significant weld and must be eliminated depending on the application.

Welded pipe manufacturing technology has improved over the years. Perhaps the most important advancement is switching to high frequency currents for soldering. Before the 1970s, low frequency currents were used. Welds produced by low frequency ERW are more susceptible to corrosion and seam failure.

Historical views and use cases of welding and seamless steel tubes

ERW and seamless steel tubes now exist as substitutes, mainly due to historical cognition.

Generally, a welded pipe is considered to be inherently weak because it includes a weld. Seamless pipes lack this perceived structural flaw and are considered safer. Although the welded pipe does include seams that are theoretically weaker, the manufacturing techniques and quality assurance schemes have each been improved to the extent that the welded pipe will perform as desired without exceeding its tolerances. While the obvious advantages are obvious, the criticism of seamless piping is that the rolling and drawing processes produce inconsistent wall thicknesses compared to the more precise steel sheet thickness used for welding.Galvanized Steel Tube

The industry standards for the development and specification of ERW and seamless steel tubes still reflect these views. For example, many high pressure, high temperature applications in the oil and gas, power generation and pharmaceutical industries require seamless piping. As long as the temperature, pressure and other service variables do not exceed the parameters specified in the applicable standard, welded pipes can be specified in all industries (usually at a lower production cost and widely available).

In structural applications, there is no difference in performance between ERW and seamless steel tubes. Although the two can be specified interchangeably, it is meaningless to specify seamless when a cheaper welded pipe works equally well.

Nowadays, many industries use galvanized steel pipes because they are easy to use and the quality of the products is obvious to all. However, many people who are welding galvanized steel pipes are not very familiar with them.Galvanized Steel Tube,Then, we will Let us introduce to you whether the galvanized steel pipe can be welded? What are the welding techniques for welded steel pipes?

Can galvanized steel pipe be welded?

Can be welded. However, the galvanized layer of the weld must be polished away, otherwise bubbles, trachoma, and false welding will occur. It also makes the weld brittle and the rigidity decreases.

Galvanized steel pipe welding skills：

The pre-weld preparation of galvanized steel is the same as that of ordinary low-carbon steel. It is necessary to pay attention to the groove size and the nearby galvanized layer. For the penetration, the groove size should be appropriate, generally 60 ~ 65 °, to leave a certain gap, generally 1.5 ~ 2.5mm; in order to reduce the penetration of zinc on the weld, before the weld, the groove can be The galvanized layer is removed after soldering. In the actual supervision work, the centralized beveling is adopted, and the blunt edge process is not used for centralized control. The two-layer welding process reduces the possibility of incomplete penetration. The electrode should be selected according to the base material of the galvanized pipe. Generally, the low carbon steel is considered to be easy to handle. tinplate sheets for sale

Welding method: When welding the weld of multi-layer welding, the zinc layer is melted as much as possible and vaporized and evaporated to escape the weld seam, which can greatly reduce the liquid zinc remaining in the weld. In the welding of the fillet weld, the zinc layer is also melted as much as possible and vaporized and evaporated to escape the weld. The method is to remove the end of the electrode forward by about 5 to 7 mm, and then melt the zinc layer. Go back to the original position and continue to weld forward. In the case of cross-welding and vertical welding, if short-slag welding rods such as J427 are used, the tendency of undercutting will be small; if the back-and-forth reciprocating strip technology is adopted, the quality of non-defective welding can be obtained.

There are three kinds of connection methods for galvanized steel pipes, namely welding connection, clamp groove connection and flange connection. 1. Welded connection method The welding connection of two galvanized steel pipes is a common connection method. This method is time consuming, but it is the best for the overall quality, and it is not easy to leak after welding.

Clamp groove connection method Clamp groove connection is a popular connection method nowadays, and the construction is convenient. It is only necessary to use two grooves for machining the groove and then use the clamp to connect. This method requires better quality. The clamps, the poor quality clamps are prone to water leakage, leaving hidden dangers for future users.

Flange connection flange connection is generally used at the connection valve.steel pipe manufacturers

The above is the whole knowledge about the welding of galvanized steel pipes and the welding techniques of welded steel pipes. The galvanized steel pipes are used in many places. It can be known from the above that galvanized steel pipes can be welded. of.

After the wire rod or the intermediate wire blank is chemically descaled and coated, in order to remove hydrogen and moisture, it is required to be heated at a low temperature or dried. Drying temperature is generally 26%; 300 ° C, the temperature should not be too high to prevent the lubrication coating from failing. Dehydrogenation eliminates the intrusion of hydrogen into the steel matrix during the pickling process in order to eliminate hydrogen embrittlement and restore the plasticity of the wire rod. The moisture on the surface of the wire rod is removed and dried to prevent the moisture from deteriorating the use effect of the lubricant steel wire suppliers. There are 3 common drying facilities:

Tunnel drying oven

The heat source is provided by the combustion chamber under the furnace, and the temperature of the drying chamber can reach about 280 °C. A trolley track and arched cast iron fins are placed on the bottom of the furnace. The dried wire rod or intermediate wire blank is hung on the trolley by means of a lifting bar, and is fed into the furnace through a hoist or manually. Each furnace can be loaded with 10 to 12 trolleys. The equipment has a large capacity and a high output, but the labor intensity of the worker is large when entering and leaving the trolley, and the drying temperature is not uniform, and the temperature at the bottom of the trolley is high.

Chain drying oven

The bottom of the furnace is the combustion chamber, and the flame can be returned from the bottom to the furnace walls on both sides and then run out through the flue. The furnace temperature is 200 to 400 °C. When drying, the wire rod is placed on a moving chain, and the chain moves at a speed of about 12 m/min. This is a more advanced type of furnace, which has large capacity, high speed and high output. At the same time, it overcomes the shortcomings of the labor intensity of the tunnel furnace workers and the uneven drying temperature.

The coating treatment is formed by coating a surface of the wire rod or the intermediate wire blank which has been removed by the iron oxide skin with a solid material which can effectively adsorb and carry the lubricant into the deformation zone when it has certain lubricating properties, especially drawing. Film %26mdash; coating. Therefore the coating is essentially a carrier for the lubricant (see Lubrication Carrier). The purpose of the coating is to create good lubrication conditions for drawing to reduce friction and heat during drawing. The treatment methods include physical methods and chemical methods. The main forms are strontium lime, yellowing, phosphating, copper plating, borax treatment,stainless steel sheet etc.

Drying box

For a box with an upper cover, the effective size is determined by the maximum diameter of the reel. When working, the box is heated with 150~250 °C hot air. The drying speed of the device is fast, the time is about 2 to 15 minutes, and the drying is relatively uniform.