用于防火门芯板。
在国外，中空刨花板已作为一种优质门芯材料投入市场。
Overseas, the hollow particle board doors have been as a high-quality core material taken into the market.
本研究采用膨胀蛭石作为阻燃剂，在实验室试制出了用作防火门芯层材料的三明治结构阻燃刨花板。
A sandwich structure fire-retardant particleboard, which aimed for the core material of fireproofing doors, was prepared in laboratory using heat-expanded vermiculite as a fire-retardant material.
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