中国买家求购高纯硅沙(high purity silica sand)COUNTRY:CONTACT:中国买家求购高纯硅沙(high purity silica sand) ZhaojingTEL:86-516-8981309FAX:86-516-8930410MAIL:rongyirui2004@yahoo.com.cnWEB:The high purity silica sand is processed from the quality silica (or quartz ) stone, have a high purity of SiO2,a low inpurity content, which as raw materials of optical glass, refractory, metallurgy, ceramic, foundry, abrasives etc. <BR>Chemical Analysis And Particle Size Distribution/Specification First Grade Second Grade Chemical Analysis Data SiO2(%) 99.0%-99.95%99.85%-99.90% Al(ppm) 20max 30max <BR>Fe(ppm) 2-5 5-20 <BR>Ca(ppm) 0.5-1 1-2 <BR>Mg(ppm) 0.5-1 1-2 <BR>Na(ppm) 1-3 3-10 <BR>Ti(ppm) 0.5 0.5-1 <BR>K(ppm) 1-3 3-10 <BR>Li(ppm) 0.1 0.2 <BR>Particle Size 3000um- 75um,detailed size distribution according to client's requirement <BR> <BR><BR> <BR>
