Product Description
high purity factory direct heat resisting quartz tube
Property:
1.Hard wear-resisting
2.Strong heat resistance
3.Uv protection
4.antifouling
5.Strong stability
6.Insulation materials
Parameters:
Property | Typical Values |
Density | 2.2x103 kg/m3 |
Hardness | 5.5 - 6.5 Mohs' Scale 570 KHN 100 |
Design Tensile Strength | 4.8x107 Pa (N/m2) (7000 psi) |
Design Compressive Strength | Greater than 1.1 x l09 Pa (160,000 psi) |
Bulk Modulus | 3.7x1010 Pa (5.3x106 psi) |
Rigidity Modulus | 3.1x1010 Pa (4.5x106 psi) |
Young's Modulus | 72GPa (10.5x106 psi) |
Poisson's Ratio | 0.17 |
Coefficient of Thermal Expansion | 5.5x10 -7 cm/cm·°C (20°C-320°C) |
Thermal Conductivity | 1.4 W/m·°C |
Specific Heat | 670 J/kg·°C |
Softening Point | 1683°C |
Annealing Point | 1215°C |
Strain Point | 1120 °C |
Electrical Resistivity | 7x107 ohm cm (350°C) |
Dielectric Properties | (20°C and 1 MHz) |
Constant | 3.75 |
Strength | 5x107 V/m |
Loss Factor | Less than 4x10-4 |
Dissipation Factor | Less than 1x10-4 |
Index of Refraction | 1.4585 |
Constringence (Nu) | 67.56 |
Velocity of Sound-Shear Wave | 3.75x103 m/s |
Velocity of Sound/Compression Wave | 5.90x103 m/s |
Sonic Attenuation | Less than 11 db/m MHz |
Permeability Constants(700°C) | (cm3 mm/cm2 sec cm of Hg) |
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Packaging & Shipping
The Product can be delivered within 1-7days after receiving the payments.
1) by sea
2) by air( EMS, FedEx, DHL, UPS per your request)