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Hydrophobic <strong>powder</strong> nano <strong>silica</strong> 1.SiO2:Min 99.6% 2.Size:13-16(nm) 3.BET surface:170 -240m2 / g Use:leavening agent <strong>for</strong> <strong>powder</strong>
1 7years of experience in chemical 2 professional engineers 3 high quality and low price