... quartz rod are widely used in the quartzware,laser making,fiber-optical,optics ware and semiconductor industry.Physical PropertiesDensity 20oC g/cm3 ... point(oC) 1215Defoamation Point (oC) 1120Application: electric light source, semiconductor,optical, photovoltaic,chemical industries ,About Lianyungang Suke Quartz Products Sales Co ...