• Polyurethane Sandwich Panels in High Quality System 1
  • Polyurethane Sandwich Panels in High Quality System 2
  • Polyurethane Sandwich Panels in High Quality System 3
Polyurethane Sandwich Panels in High Quality

Polyurethane Sandwich Panels in High Quality

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
5000 m.t./month

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1.Structure of Sandwich Panel

Sandwich panel is composed of 2 layers of weather-proof colored steel sheets and jetted the hard forms of polyurethane between 2 layers which feature fireproof materials. Sandwich panel is suitable for the various roofs and walls referring to the large-size factory buildings, storages, exhibition halls, gymnasiums, freezing stores, purifications workshops, etc, Sandwich panel has features temp-keeping, heat insulation, weight-bearing, weatherproof with the rich colorfulness and good appearance.

2.Main Features of the Sandwich Panel

1)    Our EPS sandwich panel has the following characteristics:light dead weight, high mechanical strength, excellent shearing resistant performance, strong corrosion resistance, high durability, and weather fastness, etc.

2)    The sandwich panel has excellent insulating performance: heat insulation, sound insulation, waterproof performance, etc.

3)    It is easy to install and can be used many times over.

4)    Nowadays, the EPS sandwich panel is widely used for cleaning workshops, industrial factory buildings, office buildings, stadiums, villas, and public buildings, etc.

5)    Apart from EPS sandwich panels, Wiskind also offers rock wool sandwich panels, glass wool sandwich panels, PU sandwich panels, honeycomb sandwich panels.

6)    These products have all passed ISO9001 and ISO14001 certification. Due to their high quality and low price, they are well received by our customers in Russia, Australia, Angola, Congo, and Korea, etc.

3. Sandwich Panel Images

 

Polyurethane Sandwich Panels in High Quality

Polyurethane Sandwich Panels in High Quality


4. Sandwich Panel l Specification

Effective width     Wall panel: 950mm 1150mm 1200mm Roof panel: 950mm 980mm

Length   According to customer's request

Materials       Polystyrene foam board(EPS), Color steel sheet

Structure       Upper and lower layer: Color steel sheet

Middle: polystyrene foam board

Thickness     Color steel sheet: 0.3-0.6mm

Polystyrene foam board: 50mm 75mm 100mm 150mm 200mm

The polystyrene density    8-20kg/m3

Conventional color      RAL standard

Character     Light in weight, heat insulation, water resistant, green and environmental

Use various roofs and walls referring to the large size factory buildings, storages, exhibition halls, gymnasiums etc.

 

5.Advantages of Sandwich Panels

1)    Heat and sound insulation: The outer steel sheets can maintain the lastingness of the color of the building, and reduce the solar radiation and keep the appropriate indoor temperature. The high quality heat insulation materials are made with the adoption of polyurethane PU and (PIR) polyisocyanurate resin acid hydrogen containing no Chloro-fluoro-carbons (CFC).

2)    A degree inflaming retarding: This system can effectively prevent the fire and prevent the fire from spreading during the cross construction and during the use of the boards

3)    Environment protection: By learning after the successful experience in environment protection constructions from companies home and abroad and through our scientific analysis, we objectively bear the idea of “low carbon designing, environmental building materials and energy-saving technology” in mind.

4)    Super-low heat conductivity: The lowest heat conducting coefficient of the heat insulation boards ensures that, under the condition that the thinnest heat insulation materials are used; the system can meet the energy-saving requirement and offer the strongest basic guarantee to meet the requirement of high standard heat insulation

5)    Easily and quick installation

 

6.FAQ

We have organized several common questions for our clientsmay help you sincerely

1)    How about your company

2)    A world class manufacturer & supplier of castings forging in carbon steel and alloy steelis one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

3)    How to guarantee the quality of the products

4)    We have established the international advanced quality management systemevery link from raw material to final product we have strict quality testWe resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

5)    How long can we receive the product after purchase?

6)    In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.


Q: Can steel sheets be used for signage or advertising purposes?
Yes, steel sheets can be used for signage or advertising purposes. Steel is a durable and versatile material that can be easily manipulated and shaped into various forms, making it suitable for creating signage and advertising displays. Additionally, steel sheets can be painted or coated with different finishes to enhance their appearance and make them more eye-catching for promotional purposes.
Q: What are the different surface treatments for steel sheets?
There are several different surface treatments available for steel sheets, each serving a specific purpose and providing unique benefits. Some of the common surface treatments for steel sheets include: 1. Hot-dip galvanizing: This process involves immersing the steel sheet in a bath of molten zinc, creating a protective layer on the surface. Hot-dip galvanizing provides excellent corrosion resistance and is commonly used in outdoor applications, such as roofing, fencing, and automotive parts. 2. Electroplating: In this process, a thin layer of metal is deposited onto the steel sheet using an electric current. Common metals used for electroplating include chromium, nickel, and zinc. Electroplating improves the appearance of the steel sheet, enhances corrosion resistance, and can provide additional properties like improved wear resistance. 3. Powder coating: Powder coating involves applying a dry powder to the steel sheet and then baking it to create a durable, smooth, and uniform finish. Powder coating provides excellent corrosion resistance, impact resistance, and can be applied in a wide range of colors and textures, making it popular for architectural, automotive, and appliance applications. 4. Painting: Applying a layer of paint to the steel sheet provides both aesthetic appeal and protection against corrosion. Different types of paints, such as epoxy, polyurethane, or acrylic, may be used depending on the desired appearance and environmental conditions. 5. Passivation: Passivation is a chemical treatment that removes impurities and contaminants from the steel surface, improving its corrosion resistance. This process is commonly used for stainless steel sheets to enhance their resistance to oxidation and staining. 6. Electropolishing: This treatment involves immersing the steel sheet in an electrolyte bath and applying an electric current to remove a thin layer of material from the surface. Electropolishing improves the surface finish of the steel sheet, making it smoother, brighter, and more resistant to corrosion. These are just a few examples of the various surface treatments available for steel sheets. The choice of treatment depends on factors such as the intended application, desired appearance, corrosion resistance requirements, and budget. Consulting with a steel sheet supplier or a surface treatment specialist can help determine the most suitable treatment for specific needs.
Q: What is the flatness tolerance of steel sheets?
The flatness tolerance of steel sheets typically varies based on the specific grade and thickness, but it is generally specified within a range of 0.003 to 0.015 inches per linear foot for standard commercial quality sheets.
Q: Stainless steel plate how to cast mirror plate?
Stainless steel hot rolled plate mirror polishing (mirror, polishing)In recent years, more and more requirements for polishing of stainless steel hot rolled plate, and even mirror polishing have been demanded. The treatment of hot rolled plate is quite different from that of cold rolled plate, and the whole process is more complicated and difficult to handle than cold rolled plate.
Q: Can steel sheets be used in corrosive environments like saltwater?
Yes, steel sheets can be used in corrosive environments like saltwater. However, the type of steel and the level of corrosion resistance it offers will determine its suitability for such conditions. Stainless steel, for example, is highly resistant to corrosion and is often used in marine and saltwater environments. It contains chromium, which forms a protective layer on the surface of the steel, preventing it from reacting with the saltwater. Other types of steel, such as carbon steel, may also be used in saltwater environments, but they require additional protective coatings or treatments to prevent corrosion. Regular maintenance and proper care are essential to ensure the longevity of steel sheets in corrosive environments like saltwater.
Q: What is the difference between a hot rolled and cold rolled stainless steel sheet?
The manufacturing process and resulting properties distinguish hot rolled stainless steel sheets from cold rolled ones. Hot rolled sheets are created by heating stainless steel to a high temperature and rolling it through a series of rollers to achieve the desired thickness. This method is typically used for larger sheets and results in a rougher surface finish. Additionally, hot rolled sheets are known for their inherent strength and malleability, making them suitable for various applications that require structural integrity. In contrast, cold rolled stainless steel sheets are produced by cooling the stainless steel to a lower temperature and passing it through rollers at room temperature. This process yields a smoother and more refined surface finish compared to hot rolled sheets. Cold rolled sheets are commonly preferred for precision-demanding applications such as automotive components, appliances, and electronic devices. Regarding mechanical properties, hot rolled stainless steel sheets generally possess a higher yield strength and lower ductility when compared to cold rolled sheets. This can be attributed to the grain structure formed during the hot rolling process, resulting in a more coarse and less uniform microstructure. Conversely, cold rolled sheets have a finer grain structure and higher ductility, making them more suitable for forming and bending operations. To summarize, the primary differences between hot rolled and cold rolled stainless steel sheets lie in the manufacturing process and the resulting properties. Hot rolled sheets exhibit a rougher surface finish, higher strength, and lower ductility, whereas cold rolled sheets possess a smoother surface finish, higher ductility, and are often preferred for precision-demanding and forming applications.
Q: What is the hardness of the wear-resistant steel plate?
The microhardness of the wear-resisting layer of the wear-resisting steel plate can reach HVl700 ~ 2000, and the surface hardness can reach HRc58 to 62. The wear-resistant layer of the wear-resistant steel plate is mainly made of chromium alloy, and other alloy components such as manganese, molybdenum, niobium and nickel are added. The carbides in the metallographic structure are distributed in a fibrous direction, and the direction of the fiber is perpendicular to the surface.
Q: Can steel sheets be used for agricultural fencing or enclosures?
Indeed, agricultural fencing or enclosures can utilize steel sheets. These sheets possess remarkable durability and exceptional strength, rendering them appropriate for safeguarding livestock and shielding crops. Moreover, they can be shaped into panels or rolls, facilitating effortless installation and customization to accommodate diverse fencing or enclosure requirements. Furthermore, steel sheets exhibit resistance to weathering, corrosion, and pests, guaranteeing enduring performance in agricultural settings. Ultimately, steel sheets emerge as a dependable and efficient option for agricultural fencing or enclosures.
Q: Can steel sheets be used for insulation?
No, steel sheets cannot be used for insulation. Steel is a good conductor of heat and electricity, so it does not retain heat or prevent heat transfer effectively. In fact, steel sheets can actually conduct heat and cold, making them poor insulators. Insulation materials such as fiberglass, foam, or cellulose are much better at trapping heat and preventing its transfer, which makes them ideal for insulation purposes.
Q: What is the tensile strength of a steel sheet?
The tensile strength of a steel sheet generally ranges from 370 to 700 megapascals (MPa), depending on the specific type of steel and its thickness.

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