发明公开
EP2655756A1 CAST CEILING TILE 审中-公开
CAST吊顶板

CAST CEILING TILE
摘要:
A cast type ceiling tile comprising a mixture containing 30 to 70% mineral wool, 10 to 40% expanded glass beads, 8 to 20% starch, 0 to 15% stucco, and 0 to 1% boric acid.
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