"quartz furnace tube"

Heat Resistant Clear Quartz Boat For Industrial Furnace Loading Semiconductor Wafer Thermal Treatment

Xiang Tong Quartz tube characteristic *Brand Xiang Tong quartz *SIO2 99.99% *Density 2.2(g/cm³) *Degree of hardness moh’ scale 6.6 *Melting point 1732℃ * Working temperature 1100℃ *Annealing point 1180℃ *Softening point 1630℃ *Ligth Transmittance >92% *Resistance Value 1000 times than ordinary glass ...