"Na₂O‧nSiO₂‧XH₂O Sodium " CNS Standards List| Personal protective | Methods test | 660V Single | Report writing | Truck bus | T head | Sports mats | Method Testing | |
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CNS 2238
2019 Edition Na₂O‧nSiO₂‧XH₂O Sodium Silicate 矽酸鈉 |
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