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The fire resistance limit of rock wool board is about 1 hour. Rock wool board is an artificial inorganic fiber made of basalt through high-temperature melti
1. Excellent thermal insulation and heat resistance XPS extruded board has incomparable good performance of common thermal insulation materials (thermal
At present, the new GB8624 "classification of combustion performance of building materials (products)" standard is under revision and joint review, and will
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