Fused Silica Lump

Size: 1 - 100MM

SiO2: 99.99%-99.90%

Fe2O3: 6 ppM max

Li2O: 1.0 ppM max

Al2O3: 30 ppM - 100 ppM

K2O: 9 ppM max

Na2O: 11 ppM max

EC: 1.8 - 2.2

PH: 5.8

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