Polyurethane Sandwich Panels in High Quality

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100 m.t.
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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



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.

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Q:What is hot and cold rolled steel plate? How to distinguish? What high hardness? Which will produce noisy eye?
As the name suggests, hot rolling, rolling temperature is high, so the deformation resistance is small, can achieve large deformation in rolling steel plate. For example, the general continuous casting slab thickness is about 230mm, and after roughing mill and finishing mill, the final thickness of 1~20mm. at the same time, because the steel plate width thickness ratio is small, the size precision is relatively low, not easy appear the flatness problem, mainly to control the convexity. For the organization required, generally through controlled rolling and cooling control is realized, microstructure and mechanical properties of the rolling temperature, finishing temperature and coiling temperature to control strip finishing. Cold, generally in the heating process is not open before rolling. However, because the strip thickness is small, it is easy to appear the flatness problem. Moreover, after cold rolling is finished, therefore, in order to control the dimensional accuracy and surface quality of steel strip, using a lot of tedious process. The cold rolling production line, equipment, process complex With the user to improve the shape and surface quality of the strip size precision, plate, cold rolling mill control model, L1 and L2 system, the shape control means relative to hot. And temperature is one of the important control index of rolls and strip.
Q:What are the functions and classifications of galvanized sheet?
Construction industry: roof, roof components, balcony panels, window sills, kiosks, warehouses, rolling doors, heaters, rainwater pipes, etc.Household appliances: refrigerators, washing machines, switches, air conditioners, microwave ovens, toasters, copiers, vending machines, fans, vacuum cleaners, etc.Furniture industry: lampshade, wardrobe, table, bookshelf, counter, signboard, medical equipment, etc.
Q:What is the difference between a steel strip and a coil? The steel strip is flat steel, and the steel coil is made of steel. Is that correct?
A steel strip is a steel strip of relative range, and can be called a steel strip when the width is less than 1000.
Q:Stainless steel plate and steel welding
It is better to use argon arc welding or white steel welding rod, with electrode generally 3.2 or 2.5 can be, the color will change with some, wipe it will be good.
Q:How thick is steel filing cabinet usually made of steel plates?
A lot of people will hold 0.6 of the said 0.8 material, this is because the cold rolled plate after forming electrostatic spraying powder and environmental protection, so it is actually only 0.6mm 0.8mm bare steel, on this point, if you are purchasing large quantities of words, can use vernier caliper to card
Q:What material is steel plate against drilling?
There is also an ordinary steel sheet drilling method: steel plate carburizing, quenching treatment, to achieve high hardness.
Q:The differences and uses of cold rolling and hot rolling
There are different reasons for the residual stress in hot rolled and cold-rolled steel sections, so the distribution of the residual stresses is also quite different. The residual cold-formed steel section stress distribution is curved, and hot rolled steel or steel welding section on the residual stress distribution is thin.
Q:Should the carbon fiber reinforce the steel bar on the side of the beam?
Not necessarily, mainly depends on how the design is calculated, usually put 100~200mm carbon fiber layering
Q:How is the normalized steel plate produced?
The main purpose of normalizing is to refine the structure, to improve the properties of the steel, and to obtain a structure close to the equilibrium state. Compared with the annealing process, the main difference between normalizing and annealing is that the cooling rate of normalizing is a little faster, so the production cycle of positive heat treatment is short. Therefore, when annealing and normalizing can meet the performance requirements of parts, normalizing shall be used as much as possible. Most medium and low carbon steel billets are usually treated with positive heat. General alloy billet material often adopts annealing, if normalizing, because the cooling rate is faster, make its normalizing higher hardness, is not conducive to cutting.
Q:What are the problems encountered in the construction of steel sheet piles? How to deal with
Based on the soft, sometimes the construction was adopted into the adjacent pile phenomenon, measures is the number of adjacent piles are welded together, and in the application of play pile connected locking coated with butter and other lubricants to reduce resistance

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