BRDECO PU Sandwich Panel


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What’s the difference between PIR and PUR?

Both PUR and PIR are a kind of rigid PU. However, they have different physical properties and chemical properties. I . Difference between the raw material Rigid PU consists of polyol and isocyanate. Polyol can be divided into polyether glycol and polyester polyol. Reaction between polyether glycol and will generate polyurethane foam(PUR); Reaction between polyester polyol and isocyanate will generate polyisocyanurate foam(PIR). II. Properties of PIR PIR  is a kind of deep cold heat insulating material, which can be applied at the temperature from -196°C to 120°C. It has the advantages of thermo-stability. The index of black material of PIR is much higher than PUR, of which PIR is 110-120; PUR is 250. Only when the index of black material is over 200, it can be called PIR; if it is under 200, it can only called the mixture of PIR and PUR. Generally speaking, the white material of PUR is made of polyether; that of PIR is made of polyester. PIR has good thermo-stability, inflaming
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What’s the advantages of Wall Cladding System for Decoration and Insulation?

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1. Insulation Performance  Insulation performance of the wall cladding system depends on the raw materials of the insulation layer. Generally speaking, the insulation performance of organic insulation materials(such as EPS, XPS, PU and phenolic resin foam) is better than the inorganic materials( such as rock wool, glass wool, perlite and foam cement). 2. Fire-protection rating  As the decorative insulated wall cladding system covering the whole buildings, if its raw material is not fireproof, fire will be easy to spread through the building and bring serious dangerous to people. So we need to choose the wall cladding system with higher fireproof performance. The fire-protection rating of the wall cladding system depends on the flammability of the insulation material. There are two main fire-protection ratings, namely, Grade A and Grade B. Grade A refers the highest fire-protection rating. Insulation material of Grade A: Rock wool panel, foamed ceramic panel, foam cement pa
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BRDECO Group, established in 1995 and covering more than 30 million M2 area, is a modern enterprise specialized in full system of steel building, such as steel structure, PU sandwich panel, garage door , door motors, thermal insulation and decorative panel, steel truss deck, and light steel villa. BRDECO also has a strong productivity. We have more than 500 existing staffs. We have introduced several Italian fully automatic production lines and Chinese total productive management system. The annual output includes 1.2 million meters of polyurethane sandwich, and 10 million tons of steel structure. We have taken part in many famous exhibitions, such as Canton Fair, Thailand ASEAN International Exhibition and so on. We sincerely looking forward to having a win-win cooperation with you. Our product’s distribution covers more than 21 provinces and cities in China. Meanwhile, Our products have been exported to more than 21 countries and regions all over the world, such as Th
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