The clear fused quartz glass tube ,which is produced through the advanced  productive technique of continuous smelting method, it has the characteristics of high purity, strong transmission , good thermally stable function, clear surface, low contents of hydroxide radical , it is the first used materials of producing halogen lamp , mercury vapor lamp , metal halogen lamp

 

The charactor of clear quartz tube:

 

1.  high purity,transparent fused quartz glass,silica more than 99.9%

 

2. good stability,corrosion resistance

 

3.  mainly used in electric light source industry, semiconductor,optical and chemical industries

 

 

 

Physical properties quartz tube:

 

density 20kg.m-3(x103)2.2

 

coefficient of expansion 25-300-1(x10-6)0.56

 

softening point :1700 C

 

annealing point: 1210 C

 

strain point :1110 C

 

youngs modulus Pa: 7.3x105

 

we could make many kinds further quartz products according your demand.

  

erica