PU Sandwich Panels for Building with Best Price

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
500 m²
Supply Capability:
10000 m²/month

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Product Description:

pu sandwich panels for building

 

pu sandwich panels for building

Sandwich panels consist of two outer metal colored sheets with insulation polyurethane core between them. The metal sheets are bonded to the insulation core with specialized adhesives. The outer surface of the sheets can be flat, slightly corrugated ,water ripple or with a significant profile (eg. for roofs or external facade design). A huge assortment of shapes, coatings and colours is available. Because sandwich panel installation requires only a limited number of mechanical fasteners (eg. screws), the resulting constructions avoid significant thermal bridging. To achieve distinctive architectural features, panels are connected with dowels.

 

Thickness:

50mm, 75mm, 100mm, 120mm,150mm

Material of the panels

composed of colorful steel sheets and PU

Unit Weight of Core Material

40/cbm

Width of the panels

1000mm

Length

As customer' s require

Panels type

Wall panel and Roof panel

Surface Texture and Appearance

Small wave, Flat, Embossment, Big rib

Heat Insulating Material

Rockwool

Thickness of steel plate

0.4-0.8mm

Color of the coating

White grey, Sliver, Sea Blue, Red, etc

Type of sheet Coating

PVDF, HDP, SMP, PE

Type of Base steel sheet

Hot-dip galvanized, Al-Zn coated

Life span

20 years

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Q:What's the highest temperature resistance of the aluminum foil ?
Aluminum foil is directly pressed by aluminum. Melting point: 660.37, fire point: 550℃. I’m not sure whether it can be installed, but since it is exhaust duct, the temperature may not be too high. It will not be much higher than 100℃ anyway as the boiling point of water is just 100℃.
Q:Does the aluminum foil can prevent from the sunlight shining?
Aluminum foil can prevent the sun shining. It can reflect the sunlight.
Q:Why it needs to use the diluted alkalito have an reaction with aluminum foil.
Al first has reaction with the alkali and produces aluminium hydroxide.Then aluminium hydroxide has a reaction with four hydroxyl aluminum acid radical{[Al(OH)3]-},which write as (AlO2). Al first have a racction with H2O producing aluminium hydroxide and then have a reaction with alkali.
Q:What's the difference between singled-sided conductive aluminum tape and double-sided conductive aluminum tape?
The differences between single-sided aluminum tape and double-sided aluminum tap: Single-sided aluminum tape only has one side of conductive aluminum foil while the double-sided aluminum tape has two sides. Single-sided conductive aluminum tape. Bridge erecting machine is composed of single main-beam, landing leg, hanging beam trolley, ambulatory and transverse gadget, electronic control system, etc. Double-sided conductive aluminum tape. Main beams often adopt triangle truss style, Bailey truss style or box structure.
Q:Aluminum corrosion resistance is mainly reflected in what areas?
The second is resistant to salt spray corrosion test conditions generally in the 35 oC, 3% salt spray environment requires 500 hours can not have spots of corrosion. Salt spray corrosion resistance is directly related to the heat transfer sheet length of life. In coastal areas, due to the high salt content in the air, so the heat transfer sheet of salt spray corrosion resistance have high requirements;
Q:Whether abandoned aluminum foil has recovery value?
Preparation of the main raw material utilization bauxite, aluminum hydroxide, zeolite spent catalyst, there are a wet preparation method, electrolysis method or the like. Some scholars believe that the economic value of waste aluminum foil having a high recycling. He used the scope of waste aluminum foil prepared PAC optimal conditions and water purification through experiments.
Q:What causes the pinholes of the aluminum foil?
Generally believed that the main pinhole and gas content, inclusion, segregation and related compounds. Take effective molten aluminum purification, filtration, helps to reduce grain refinement are pinholes. Of course, using other means to improve the alloying material hardening properties also help reduce pinholes. High-quality hot-rolled aluminum foil rolling 6μm pinhole in 100 / m or less. When the casting material when better purification, 6μm foil pinholes 200 / m or less.
Q:The dark face of 8021 aluminum foil appears uneven rolling. What causes this and how to solve it?
Seeing clearly the uneven rolling in the dark face.
Q:What kind of aluminum tape is used for producing refrigerator?
Uses: to cover the evaporate pipe so as not to let the foaming material influence the transmission of coldness and its erosion to the pipe. To fix the inner pipe not to be out of shape from the pressure of foaming material; To be put in the Air-cooled refrigerator to keep the food fresh and tasty and avoid unnecessary breakdowns.
Q:The classification of aluminum foil

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