1.>99.99% purity 2.Good light transmittance fuction 3.Good corrosion resistance 4.Good quality
This clear quartz rod has the characteristics of high purity, heat resistance and low coefficients of thermal expansion.
This clear quartz rod has the characteristics of high purity, heat resistance and low coefficients of thermal expansion.
Applications: It serves as the material of the bridging rod fro single ended halogen lamps, optical fibre lighting, quartz fibre and semiconductor silicon chip processing etc.
1.Chemical composition unit : ppm
Cr | Ge | Fe | Mg | T i | Ca | Al | Na | Li | K |
<0.5 | 0.5 | 1.2 | 0.8 | 2.0 | 2.0 | 20 | 1.2 | 0.5 | 1.5 |
2. Physical Properties
Density 20 kg*m-3(×103) | 2.2 |
Coefficient of expansion 25-300 -1(×10-6) | 0.56 |
Softening point | 16700 |
Annealing point | 1210 |
Strain point | 1110 |
Youngs modulus Gpa | 7.3×105 |
3.Dimensional Tolerance
Range of OD | OD |
≤6mm | ±2.0% |
6.00-15.00mm | ±1.25% |
15.00-20.00mm | ±1.25% |
20.00-25.00mm | ±1.25% |
25.00-30.00mm | ±1.35% |
30.00-50.00mm | ±1.5% |
Application:
Widely used for high technology fields such as semiconductor technology, integrated circuit production, optical fiber telecom, laser technology,space flight technolody, national defense war industry and optical industry etc.
opaque quartz glass tube
