Product Description

The transparent quartz glass tubes for light source and vacuum instruments produced in
our company are also widely used in other industry ,technical fields ,where proprties of
high temperature proof ,thermal stability , high chemical stability ,high dielectric are
needed

We have production lines for following 5 products :
A .Electric-heated continuously melting quartz glass tubes ;
B. Vacuum pressure quartz glass tubes ;
C. Two steps gas melting and electric -melting quartz glass tubes ;
D. Two steps electric -melting quartz glass tubes 

According to size, outward appearance, chemical purity and hydroxyl content. Products are divided into: High-class (class A) ,first class ( class B), and qualified products ( class C)

Chemical Purity

Size and tolerance of tubes

Special wall thickness products can be available according to the users requirement.
Ellipticity is no more than absolute value of the outside diameter tolerance. Wall
thickness deviation is no more than absolute value of the wall thickness tolerance.

Bending is no longer than 3 of the tube length. Length tolerance: 1 mm.