Fused Silica High Temperature High Purity Transparent Clear Quartz Tube

* Fused Quartz Tubes/Silica Tubes:* Specification:* Application:1. Widely used in chemistry, machinery, laser, optical instrument, Scientific research laboratory, Electronics,semiconductor industry etc.2. Our  quartz  ampoules features high purity (>99.99%), good physical and chemical properties, tight tolerances, and low -OH content. The rods are used in a variety of applications by our customers. * Properties:1.High purity , SiO2> 99.99%.2.Strong Hardness, Can reach Morse level 7.3.High light transmission more than 85%.4.High temperature resistance, can work under 1200°C continuously, and in short time can even work under 1500°C.                                                             5.Electric insulation, it is 10000 times of usual glass.6.Acid and Alkali resistance7.Excellent thermal shock stability,Small thermal expansion coefficient,it is only 5.5×10-7/ºC8.Health care and environmental protection9.Any dimension can be made.•The three types of quartz materials have the same Mechanical/Physical Property:PropertyReference ValuePropertyReference ValueDensity2.203g/cm3Refractive Index1.45845Compressive Strength>1100MpaCoefficient of thermal expansion5.5×10-7cm/cm.ºCBending Strength67MpaMelting point temperature1700ºCTensile Strength48.3MpaThe work temperature for a short time1400ºC~1500ºCPoisson's Ration0.14~0.17The work temperature for a long time1100ºC~1250ºCElastic Modulus71700MpaResistivity7×107Ω.cmShearing Modulus31000MpaDielectric Strength250~400Kv/cmMohs Hardness5.3~6.5(Mohs ScaleDielectric Constant3.7~3.9Deformation Point1280ºCDielectric absorption coefficient