Is there a polyurethane polystyrene core material can not be compared, it is not burning rock wool.
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。
The core can adopts inorganic substance (magnesium, plasterboard), rock wool, aluminum silicate wool or magnesium.
芯材可采用无机质（玻镁板、石膏板）、岩棉、硅酸铝棉或玻镁棉。
The core can adopts inorganic substance (magnesium, plasterboard), rock wool, aluminum silicate wool or magnesium.
芯材可采用无机质（玻镁板、石膏板）、岩棉、硅酸铝棉或玻镁棉。
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