光學(xué)玻璃產(chǎn)品及廠家
水玻璃模數(shù)測試儀 水玻璃密度計yd-120wg-勇達牌技術(shù)數(shù)據(jù)：1、溶液狀態(tài)的硅酸鈉，南方稱水玻璃，北方稱泡花堿；2、水玻璃的二氧化硅和氧化鈉（或氧化鉀）的分子之比（摩爾比），稱為模數(shù)m；3、水玻璃在
更新時間:2025-08-20
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