opaque quartz glass tube

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