Desc:1. Sand 69%Super GradeFirst GradeQualified productSiO285%75%65%CI-0.02%0.03%0.03%Mica0.5%0.5%1%S O31%1%2%clay3%5%8%K2 O+Na 2 O1.5%3%5% 2. Lime 20%It...

2024-01-19