PU sandwich panel has the advantages of moisture resistance, water resistance, fire resistance, flame resistance, high temperature resistance, etc., and is widely used in refrigerators, refrigerated trucks and other refrigeration equipment. Polyurethane composite panels are generally used for roofing outer panels of buildings. The panels have good thermal insulation, heat insulation and sound insulation effects, and polyurethane does not support combustion, which is in line with fire safety. The upper and lower boards are combined with polyurethane to have high strength and rigidity. The lower board is smooth and flat, with clear lines, which increases the indoor beauty and flatness. Easy to install, short construction period, beautiful, it is a new type of building material. Polyurethane board manufacturers have a large class of polymers with more urethane groups in the molecular main chain. They are a kind of polymer material between plastic and rubber. It has a large elongation and a hardness range. Wide, wide range of formula adjustment, excellent abrasion resistance and mechanical properties.
Sandwich panel is made of PIR surface material. The outer part of the polyurethane insulation board is made of SII, PVC color steel plate and stainless steel, which prevents the diffusion and loss of temperature. To a large extent, the working efficiency of the cold storage is guaranteed.
The characteristics of polyurethane also greatly increase the area of the house, because the thickness of the board is thinner than normal insulation boards.
Pu Sandwich Panel
The quality of the polyurethane board determines the service life and cooling effect of the cold storage. Polyurethane sheet manufacturers cast polyurethane elastomer (CPUR) is the most important of the three major types of polyurethane elastomer processing, the amount of which accounts for 6o% of the PUR amount, it has a diverse chemical structure, easy adjustment of viscosity, excellent processing technology , Easy to put into industrial production, easy to use and fast curing, etc., so it is very suitable for making large and complex components. Polyurethane wear-resistant lining board is produced and processed by casting polyurethane elastomer technology. The utility model can be used for up to 30 years and has a good waterproof and thermal insulation effect.
Polyurethane boards have different molecular structures due to their different densities. High-density polyurethane insulation board has strong deformation resistance, is not easy to crack, and is stable and safe in painting. Polyurethane material has stable pore structure and basically closed pore structure. It not only has excellent thermal insulation performance, but also has resistance to freeze-thaw and sound absorption. Under normal use and maintenance conditions, the average life of rigid foam polyurethane insulation structure can reach more than 30 years. However, because the unit price of insect, fungus or algae foaming materials is higher than other traditional insulation materials, it may suffer dry, wet or electrochemical corrosion under normal conditions of structural life, but the increased cost will be due to heating and cooling The substantial reduction was offset.
Sandwich panel supplier believes that polyurethane panels play a very important role in cold storage projects. If you have any hydrangea on our products, please feel free to contact us.