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廣研 MS 931矽(guī)烷改性聚合物密封膠,多功能工業粘合劑產品說明:名(míng)稱:邦特 MS 931矽烷改性聚合物密封膠產品型號:MS 931顏色(sè):白色,灰色,黑色外(wài)觀:膏狀物肖氏硬度A:50-60固化速度:3-4mm/24h表幹時(shí)間(jiān):30分鍾拉伸強度:2.8MPa斷裂延長率:360%耐溫(wēn)範圍:-50℃至···