PU Sandwich Panels for Building with Best Price

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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.



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

Material of the panels

composed of colorful steel sheets and PU

Unit Weight of Core Material


Width of the panels



As customer' s require

Panels type

Wall panel and Roof panel

Surface Texture and Appearance

Small wave, Flat, Embossment, Big rib

Heat Insulating Material


Thickness of steel plate


Color of the coating

White grey, Sliver, Sea Blue, Red, etc

Type of sheet Coating


Type of Base steel sheet

Hot-dip galvanized, Al-Zn coated

Life span

20 years

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Q:Why the aluminum foil should have anneal craft
Anneal is to make the aluminum soft then its ductility becomes better.if not having anneal, the problem may appear unexpectedly like aluminum foil broken in the rolling process.therefore, the anneal must be conducted each time after rolling. this can help the aluminum rolling process goes plainly.
Q:How does laminated aluminum foil produced?
It's the salivate process. Pouring plastic melts into the aluminum foil when aluminum is reserving. Through multi-roll milling, a compound packing film with uniform thickness is produced.
Q:What's the highest temperature of aluminum foil paper?
In actual use, the width cannot exceed 120 and the hight cannot exceed 180.lighter can not make thhis material burn.
Q:Find a weld and riveting machine to connect the two roll of aluminum together. the width of aluminum is 40-60cm,because the surface of aluminum has a layer of oxidation film,so...
I am a high voltage professional welder. I can't endure the current surge,even the spot welding. the surface oxidation film can be baked by the cutting knife,or polish by the abrader. no matter how big the welding rod is useless.The aluminum is too thin.
Q:How dose air conditioning aluminum foil work?
Moreover, since the corrosion resistant powder aluminum sheet heat exchanger has been very good on the suppression, ventilation and air conditioning within the quality has been greatly improved, air-conditioned indoor air are starting to become more clean and fresh.
Q:How many applications does aluminum foil have?
Q:Aluminum foil tape or copper foil tape, which is better at shielding?
I should say they have equal shielding abilities. But as aluminum is more likely to oxidize than copper and not easy to be soldered, copper foil tape is preferred in most of the cases. Electromagnetic shield means using elements made of conductive or ferromagnetic materials to screen at the end of stator core of a large turbo-generator, reducing additional loss and local heating in parts caused by flux leakage at the end of stator winding. In terms of communication, screening is to segregate two spaces to prevent electric field, magnetic field, and electromagnetic wave of one area from reacting to or radiating the other one. To be detailed, screening will encompass interference source that influences components, circuit, assembling, cable or the overall system.
Q:What's the aluminum foil flexible air hose?
It doesn't has wire and also doesn't need glue. Directly put reinforcing rib in the aluminum and experience the process rolling forming. It has great scalability and can be formed into arbitrary shape within the scope of the expansion. With the reinforced aluminum foil as coating and spiral steel wire as support,the aluminum foil bonds wire above and below to strengthen adhesion viscous force and pulling force.It is with highflexibility and easy to construct. Generally, it is used in dust collection and exhaust in bathroom. What's more, it is with the performance of flame resistance.
Q:Can I use dyne pen to test the wetting tension in the appearance of aluminum foil? What's the standard?
What kind of dyne pen imported from America enjoy the highest cost performance? The method can accurately measure the surface tension of the base material, surface wet strength and determine the surface factors of base material. Relative humidity should not exceed the standard since high humidity is easy to aggravate the variability of data.
Q:What's the application of double-sided conductive aluminum tape?
Aluminum foil tape with all the seams of the aluminum foil composite paste, the seal and insulation nails puncture wounds repair. Aluminum tape is widely used in refrigerator, air conditioning, automobile, petrochemical, bridge, hotels and so on. Application: Aluminum tape is suitable for all kinds of transformers, mobile phone, computer, PDA, PDP, LED displays, notebook computers, copiers and other electronic products in which electromagnetic shielding is required.

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