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发明公开
CN108947446A 一种石膏基防火板及其制备方法 无效 - 驳回

一种石膏基防火板及其制备方法
摘要：
本发明公开一种石膏基防火板及其制备方法，涉及防火板领域。所述石膏基防火板包括以下重量份原料：α型高强微晶石膏200‑300份，防火胶8‑10份，锯末150‑200份，发泡剂50‑80份，水80‑100份。本发明制备的防火板，20×20×20mm块体的抗压强度达到7‑10Mpa，容重控制在360‑450kg/m3，符合GB8624‑2006《建筑材料及制品燃烧性能分级》的A1级防火等级。
摘要（英）：

The invention discloses a gypsum-base fireproof plate and a preparation method thereof and relates to the field of fireproof plates. The gypsum-base fireproof plate comprises the following raw materials in parts by weight: 200-300 parts of alpha high-strength microcrystal gypsum, 8-10 parts of fireproof glue, 150-200 parts of saw dust, 50-80 parts of foaming agent and 80-100 parts of water. The fireproof plate prepared according to the invention has a compressive strength of 20*20*20mm block reaching up to 7-10Mpa, has a volume weight controlled within 360-450kg/m3 and meets A1 fireproof levelof GB8624-2006 'Combustion Performance Grading of Building Materials and Products'.

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