... Certificaton 3. Free Sample 325M Zircon Powder for Ceramic 1. Introduction &Application Zircon powder is ZrSiO4 (for) zirconium silicate minerals, composed of main ... products and industries as following: sophisticated ceramics, electronic components, additives glass, ceramic glaze color, imitation jewel, fireproofing, polishing materials. 325M Zircon Powder for Ceramic