high grade silica sand

Silica sand,a kind of material that is used for glass industry, ceramic, refractory, metallurgy

Introduction

Silica sand

Silica sand is made from the quality silica stone. The mineral is of good quality and purity for SiO2: 99.95%. High purity and good hardness make it widely used for glass industry, ceramic industy and foundry.

Character

High grade products with competitive price;Stable supply for reputable manufacture;Low iron content and high purity;

Chemical compostion

Grit Size            SiO2             Fe2O3          Al2O3            CaO           

400-80mesh         99.95%         30ppm         40ppm            5ppm

60-200mesh         99.95%         30ppm         40ppm            5ppm

Physical Index

True density: 2.66g/cm3Mohs hardness: 7.0Melting point: 1750°cBulk density: 1.75g/cm3

Application:

Optical glass industry;Refractory material;Metallurgy, ceramic, foundry and abrasives;

                            

                            

high grade silica sand