Fused Silica Quartz sand powder is made of highest purity Chinese crystal Silica by electrically fusing (fusing temperature 1700-2000℃)to amorophos Silicon dioxide , then specially engineered ingots, granular and flour form designed for different usage. This product has a very low thermal conductivity and excellent thermal shock resistance.

　　Special Features:

• Near zero thermal expansion coefficient
• Excellent thermal shock resistance
• Pure(high SiO2 content,low Iron, Potassium & Sodium Oxide)
• Consistent Chemistry
• Statistically controlled particle size distribution

　　Main Applications:

• EMC (Epoxy Molding Compound)
• Investment Casting ,shell mould product
• Refractory & Ceramic materials
• Paint
• Others