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          • 建筑密封材料密度試驗器

            建筑密封材料密度試驗器將環置于密度試驗器下板的中部,與下板密切接合,為防止滴定時漏水,可用密封材料等密封下板與環的接縫處用滴定管往金屬環中滴注約23℃的水,即將滿盈時蓋上上板,繼續滴注水,直至環內氣泡消除。從滴定管讀數差求取金屬環的容積V(ml)

            查看詳細介紹

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