U-bent quartz tube 1.tight size tolerance 2.slinky form and excellent feature 3.Melting point at 1730 degree

U-bent quartz tube

Physical Properties

Density 20 kg.m-3 (×103) 2.2

Coefficient of expansion 25-300 -1 (×10-6) 0.56

Softening point 1670

Annealing point 1210

Strain point 1110

Youngs modulus Pa 7.3×105

properties: Good thermal and mechanical property, accurate dimensional tolerance, and OH content  is available according to the requirements of customers.

application: It is widely applied at halogen lamp, mercury lamp,printer lamp tube,stage light, chemical tube, and heat-resistant utensils, etc

U-bent quartz tube