Quartz Tube :
High quality, Low price, Perfect after-sale service
1. Outside Diameter: 1~300mm
2. Wall Thickness:0.5~18mm
3. Length:10~3000mm
Dimensional Tolerance : [part parameters]
OD Deviation de OD WT Siding of Wall Out of Round Bow/1220mm
<6mm ±2.0% ±10% 12% 2.0% 2.5mm
6.0-15mm ±1.25% ±8% 10% 1.5% 2.5mm
15-20mm ±1.25% ±10% 15% 1.5% 2.5mm
20-25mm ±1.25% ±10% 15% 1.5% 3.0mm
25-30mm ±1.35% ±12% 15% 1.5% 3.0mm
30-80mm ±1.5% ±14% 15% 2.0% 3.0mm
Chemical Composition [unit: ppm]
Al Fe Ca Ti Na K
20 1.0 2.0 2.0 2.5 2.5
OH-Content:
can be controled within 20ppm\15ppm\10ppm\5ppm\2ppm
according to the customers' requirements.
Chemical Properties:
Hydrolysis Clase (DIN 12111) 1
Acid-resistance Clase (DIN 12 116) 1
Alkali-resistance Clase (DIN 52322) 1
Mechanical Properties: ( at 20 centigrade degree)
Density 2.20 g/cm3
Tensile Strength 4.8 ×107 Pa (N/m2)
Compressive Strength 4.8 ×107 Pa (N/m2)
Hardness (Mohs) 5.5 - 6.5
Thermal Properties:
Coefficient of expansion [20~300 degree] 5.5 ×10-7 /degree
Transformation point 1120 degree
Softening point 1683 degree
Annealing point 1180 degree
Max temperature for continuous work 1100 degree
Max temperature for periodic work 1300 degree
Electrical Properties:
Deficit factor of dielectric (at frequency of 7.5 GHz) tan =0.0025
Constant dielectric (at 20 degree /7.5 GHz) = 3.7
Electric-resistance (kV/cm)
at 20 degree 250 - 400
at 500 degree 40 - 50
Inquiry Basket(