Micro silica Reliable quality, unique design, competitive price, product name :Micro silica1. ... PE liner;25kg paper bags10kg water-degradable paper bags; Microsilica silica fume concrete in application Manufacture high-strength concrete (C70 above ... , its wear and erosion resistance is very demanding, micro-dopted silica fume is necessary. Microsilica fume has strong activity, a caustic ...