Product Name: Quartz Glass Ball Model NO.: quartz glass ball Material: Sio2 99.99% Shape: Round Rod Type: Refractory Material Feature: Long Time Materials Refractoriness (?): 1100-1600 Advantage: High Temperature Resistance Size: According to Request Trademark: yongsin Transport Package: Strong Wooden Box Specification: according to request Origin: Donghai, China HS Code: 7002209000 Product Description The production method of fused quartz glass can be: electrically fused, flame fused, plasma fused and electric-arc fused. The raw material can be natural quartz sand SiO2 and synthetic chemical-silicon tetrachloride(SiCl4). The combination of production methods and raw material composes the main 6 types of our quartz glass: EN (electrically fused natural quartz) series; FN (flame fused natural quartz) series; PN (plasma fused natural quartz) series; FS (flame fused synthetic quartz) series; PS (plasma fused synthetic quartz) series; AN (electric-arc fused natural quartz) series.