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        泡沫玻璃是一種以無機玻璃做主要原料,炭元素作發泡劑,通過高溫燒結發泡和退火冷卻后制成的,具有完全閉孔結構的,硬質多孔絕熱材料。它具有密度小,機械強度高,不吸水,不透濕,導熱系數小,耐化學腐蝕,不燃燒,不老化,不霉爛,不受蟲蛀鼠嚙,無害,無毒,耐熱、抗凍,可在攝氏450度至零下196度的廣闊溫度范圍內使用等優良物理化學性能。中國生產的絕熱泡沫玻璃,已被廣泛用于各種化學工業的設備和管道。
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