You need to enable Javascript in your browser to use most features on our website.
High-Purity Silica content, 99.3% â?¤ SiO2 â?¤ 99.6%. Extremely low iron content, 120 ppm â?¤ Fe2O3 â?¤ 200 ppm. Consistent particle size distribution supports superior melting characteristics. Minimum alkali level.