Is there a polyurethane polystyrene core material can not be compared, it is not burning rockwool.
是聚苯乙烯的还有聚氨酯无法对比的，它的芯材是不可以燃烧的岩棉。
2
Rockwool products change due to fiber direction, not only can meet the requirements of fire safety, the tensile strength and compressive strength increase.
岩棉制品因纤维方向发生本质的变化，不但能够达到防火的要求，整体的抗拉强度和抗压强度的提高。
3
Glass cotton and woolrock in a on function have similarities, but the feel is good in rockwool, can improve the labor premise.