
QDGF-S04
This series of fused silica sand is produced from high‑purity silica raw materials through high‑temperature fusion. Its SiO₂ content reaches up to 99.94%. It features ultra‑low linear thermal expansion coefficient, excellent dielectric property and high Mohs hardness. Multiple mesh grades ranging from 4‑20 mesh to 200‑0 mesh are available with well‑controlled impurities and outstanding thermal stability & insulation performance. Suitable for demanding applications in refractory, optics, electronics and solar crucible industries. Custom packaging is acceptable.

QDGF-S04

QDGF-S20

QDGF-S45

QDGF-S50

QDGF-S10

QDGF-S21