Fused Silica Powder

Standard: 100--325 mesh、325-0 mesh、500 mesh、800 mesh、1250 mesh、1500 mesh

SiO2: 99.90% min

Fe2O3: 60 ppM

Al2O3: 30 ppM - 50 ppM

K2O: 15 ppM max

NA2O: 15 ppM max

EC: 1.8 - 2.2

PH: 6.6

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