Quartz crucibles processing. Quartz test tubes sealing processing. Small size quartz crucibles processing. Quartz tube sealing. Bending quartz tubes. Quartz cigarette holders processing. Quartz products pickling pool for clearing quartz manufactured goods.
Performance SP-200 series Density 2.2 x 103kg/m3 Tensile strength 4.7 x 107Pa(n/m2) Compressive strength >1.1 x 109Pa Coefficient of thermal expansion (20 oC -300 oC) 5.5 x 10-7 cm/cm oC Thermal conductivity (20 oC) 1.4w/m oC Specific heat (20 oC) 660J/kg oC Softening Point 1683 oC Annealing point 1215 oC Remark： Thermal stability- The [...]
Silicon is a very rich element in the earth, which accounts for 25.8% of the earth's surface and second only to the oxygen element.Silicon resources refers to crystal, quartz vein quartz, quartz gravel, natural silica sand, etc..The main chemical composition is SIO2, which is rich in natural resources.According to data records, Brazil quartz resources are [...]
Donghai County as the "Crystal City" is famous in China and foreign countries.In this magical land is rich in reserves with quality of crystal and quartz resources.In recent years, in the promotion of the government, vigorously develop the silicon material products processing industry relying on a wealth of crystal and quartz resources.Donghai has become the [...]
