विवरण

• Product Name Quartz Tube Material 99.99% Sio2 Size All different sizes would be performed in line with customer's demand. Density 2.2x103kg/m2 Hardness 570KHN100 Tensile power 4.8x107Pa(N/M2) Compression energy >1.1x109Pa   cm/cm Coefficient of thermal expansion(20 -300 ) 5.5x10-7cm/cm Thermal conductivity(20 ) 1.4W/m Specific heat(20 ) 660J/kg Softening level 1730 Annealing point 1250 Quartz tube is a unique commercial technical glass made of silicon dioxide and is base material. Quartz glass has a series of excellent physical and chemical properties. Used in electrical hearth bucket, electric stove, electrical heater, etc. to generate heat. Quartz tubes would be roughly divided into the following types: clear quartz tubes (outer diameter 1.5mm ~ 300mm), UV filtration quartz tubes, colour quartz tubes, etc.1 . High temperature resistanceThe softening level temperature of quartz glass is about 1730°C, and it may be used for many years at 1100°C. And the maximum operating temperature in the short while can attain 1450 ° C. 2. Except for hydrofluoric acid, which is corrosion resistant , quartz glass has practically no chemical response with different acids. Its acid resistance is 30 occasions that of ceramics and a hundred and fifty times that of stainless steel, especially at excessive temperatures which are impossible for every other engineering material. Comparison.          

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