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The Great Wall heat-insulating aluminum panels are filled with high-density pentane system environmentally friendly rigid polyurethane in the middle, and the fireproof grade of polyurethane is B.
Keyword: Polyurethane great wall panel
Polyurethane has excellent thermal insulation performance and is one of the most excellent thermal insulation materials in the world.
Double-sided aluminum-magnesium-manganese plate is anticorrosive and rust-proof, with a service life of more than 50 years. Polyurethane rigid foam airtightness is excellent, water closure rate can reach 97%.