Custom Fused Quartz Manufacturer from Donghai, China

Our fused quartz is rated for long-term service around 1100 °C and short-term peaks up to approximately 1450 °C. The softening point is about 1683 °C. For vacuum or high-load applications we recommend a lower continuous temperature and thicker walls to avoid sagging.

Fused quartz is melted from high-purity natural quartz sand (99.99%+ SiO₂) and suits most furnace, lab and lighting uses. Synthetic fused silica is made from chemical precursors, has lower metallic impurities and better deep-UV transmission — preferred for UV optics and the most sensitive semiconductor steps.

Most custom rods, plates, boats, crucibles and flasks start from 1 piece. Some standardized tubes and analytical parts start from 5–10 pieces.

Ozone-free quartz is doped to absorb short-wave UV below roughly 220 nm, blocking the 185 nm line that converts oxygen into ozone. It is used for UV lamps, IR heaters and curing systems where ozone would corrode equipment or affect operators.

Yes. Send a 2D/3D drawing with tolerances, purity grade, operating temperature and quantity. Our engineers will confirm feasibility, suggest wall thickness or joint changes if needed, and propose a production plan.

Each piece is cleaned, individually wrapped, separated with foam and packed in reinforced cartons; long tubes and heavy parts ship in wooden crates suitable for air, sea and express freight.