Because polystyrene insulation board has excellent thermal insulation performance, it can reduce the thickness of the building’s outer protective structure and increase the indoor use area under the same thermal insulation requirements. In addition, polyurethane foams when it burns. Its […]
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Polyurethane is a kind of flame-retardant self-extinguishing material
Martes, octubre 27, 2020Tags: Wholesale China CASCELL® HF Suppliers
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