Кремний ZC-185gr

Silica ZC-185GR Chemical Name: SiO2.nH2O Physical Properties: White granular form, It can be dissolved by NaOH, HF.Other kinds of acid, water and solvents can not dissolve the product.Specification:ColorWhite Loss at 105 1.5h % 4.0-8.0 Igniting Loss 1000 % Max.. 7.0 DBP absorption Value cm3 /g 2.00-3.80 45μm residue on sieve % Max 0.5 PH Value(10% aqueous suspension) 5.0-8.0 SiO2 (On dried sample) % Min 98 BET specific surface area M2/g 180-195 Total Cu mg/kg Max. 30 Total Mn mg/kg Max. 50 Total Fe mg/kg Max. 1000