Product Description
1.high temperature resistant,can work under 1200°C continuously,and in short time can even work under 1450°C,
its softening temperature is 1650°C,and the melting temperature is 1750-1800°C.
2.Corrosion resistant, quartz test tube do not react with any base except hydrofluoric ．
3.Excellent thermal shock stability
4.High transmission to 85%
5.Electric insulation ,it is 10000 times of usual glass
Property:
| 1. Incredibly thermally shock resistant (can be taken from red heat and plunged into water without cracking) | 4. Good chemical resistance |
| 2. Low thermal coefficient of expansion (TCE) and high softening temperature | 5. Excellent electrical insulator |
| 3. Optical transmission properties from ultra violet to infra red | 6. High radiation resistance |
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) |
| Helium | 210x10-10 |
| Hydrogen | 21x10-10 |
| Deuterium | 17x10-10 |
| Neon | 9.5x10-10 |
Uses:
This product is mainly used in electric light source, electrical appliances (electric), semiconductor, optical communications, military industry, metallurgy, building materials, chemical, machinery, electricity, environmental protection and other fields.
Product Showing:
Why Choose Us:
Yuanda Quartz Product Co.,Ltd is a leading manufacturer in quartz glass products .With more than 10 years of produce and export experience, we got much trust and supports from our customers all over the world. Our advantage is provide professional customized solution according different application.
1.QUARTZ TUBE
2.QUARTZ ROD
3.QUARTZ PLATE(JGS1/JGS2/JGS3)
4.QUARTZ LAB TEST APPARATUS.
5.MACHINES QUARTZ PRODUCTS.
We hope to have the opportunity to cooperate with you in the future! 
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