Borosilicate Glass Tube

Borosilicate glass tube 3.3

1. Diameter available: 3.5mm~300mm

2. Wall thickness: 0.5mm~12mm

3. Length: 30mm~3000mm

4. Regular sizes:

9*2, 12*2, 25*4, 28*4, 32*3.2, 32*4, 38*4, 44*4, 51*4, 50*5. etc

5. The high borosilicate 3.3 glass tube is used forlab equipment, optical, medical, daily glassware, solar energy,  test tube, etc.

6. We can supply special dimensions according to request.

SiO2: 81%

B2O3: 13%

Na2O+K2O: 4%

Al2O3: 2%