Sell Borosilicate 3.3 Colored Glass Tube (Cobalt Blue)

Model No.:HH001
Product Origin:China
Brand Name:Honhai
Price Terms:
Payment Terms:T/T, L/C at sight
Certification:
Description:Features: 1) Available colors: dark blue, light blue, amber, light yellow, green, pink, purple, red and opaque black 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: 80±0.5% 2) B2O3: 13±0.2% 3) Al2O3: 2.4±0.2% 4) Na2O(+K2O): 4.3±0.2% Chemical properties: 1) Coefficient of mean linear thermal expansion (20°C/300°C): 3.3±0.1 (10-6K-1) 2) Transformation temperature: 525±15°C 3) Working point: 1,260±20°C 4) Softening point: 820±10°C 5) Density at 20°C: 2.23g/cm² 6) Hydrolytic resistance at 98°C: ISO719-HGB1 7) Hydrolytic resistance at 121°C: ISO720-HGA1 8) Acid resistance class: ISO1776-1 9) Alkali resistance class: ISO695-A2 Packing Export cartons on fumigated wooden pallet