Colored 3.3 Borosilicate Glass Rods

Following are the Main Features of Colored 3.3 Borosilicate Glass Rods:-
1) Available colors: clear , dark blue, light blue, amber, light yellow, green, pink, purple, red and opaque black ,opaque white.
2) Regularly stocked tubing size (diameter x wall thickness): 25 x 4mm, 32 x 3.2mm, 32 x 4mm, 38 x 3.2mm, 38 x 4mm, 44 x 4mm, 51 x 4mm, 51 x 4.8mm
3) Customized sizes could be made
4) Regularly stocked rod diameter: 4mm - 35mm

Main composition:
1) SiO2: 80A 0.5%
2) B2O3: 13A 0.2%
3) Al2O3: 2.4A 0.2%
4) Na2O(+K2O): 4.3A 0.2%

Chemical properties:
1) Coefficient of mean linear thermal expansion (20A C/300A C): 3.3A 0.1 (10-6K-1)
2) Transformation temperature: 525A 15A C
3) Working point: 1,260A 20A C
4) Softening point: 820A 10A C
5) Density at 20A C: 2.23g/cmA
6) Hydrolytic resistance at 98A C: ISO719-HGB1
7) Hydrolytic resistance at 121A C: ISO720-HGA1
8) Acid resistance class: ISO1776-1
9) Alkali resistance class: ISO695-A2