What is pu sandwich board？
Leakage-proof polyurethane sandwich roof panels, polyurethane rigid foam insulation panels, polyurethane composite panels, polyurethane sandwich panels, are popular terms for PU sandwich panels. Strictly speaking, it should be polyurethane insulation sandwich board for building. The national standard is GB/T 23932-2009, and the old standard is JC/T868-2000.
Polyurethane rigid foam is used as insulation layer for bimetallic, single metal and non-metallic composite sheets, which are usually used in industrial plants.
Logistics warehousing, integrated building wall roof enclosure system.
Parameters of pu sandwich panel
The bonding strength of polyurethane sandwich board is not less than 0.09MPa, the burning performance of sandwich board reaches B1 level, and the bending capacity of sandwich board is not less than 0.5Kn/m2 when the deflection of the sandwich board is Lo/200 (the distance between supports). The effective width of the sandwich board is usually 1000mm, and the length can be customized.
Technology of Pu sandwich panel
The production of polyurethane sandwich board needs advanced continuous production line. The process is formed by cold bending of internal and external galvanized (aluminized and galvanized) color steel sheets and composite of polyurethane rigid foams coated in the middle. Leakage-proof sandwich roof panels with patented technology bring the advantages of polyurethane sandwich panels into full play.
Characteristics of Pu sandwich panel
This product has the following characteristics: 1) Low thermal conductivity polyurethane sandwich board composite plate has small thermal conductivity and good thermal insulation performance, and is the best thermal insulation material at present. 2) Beautiful shape, convenient installation 3) good fireproofing performance of polyurethane sandwich board 4)non-toxic and odorless polyurethane sandwich board 5)wide temperature range6) beautiful appearance of waterproof and moisture-proof polyurethane sandwich board, good overall effect. 7) It integrates load-bearing, heat preservation, fire prevention and waterproofing, and does not need secondary decoration. 8) It has the advantages of fast and convenient installation, short construction period, good comprehensive benefit and good cost-effectiveness. It is a kind of high-efficiency energy-saving building envelope material with wide use and great potential. It is also a new energy-saving plate advocated and promoted by the Ministry of Construction.