borosilicate 3.3 colored glass tubes

borosillicate 3.3 glass tubes:Materials:glass Softening point: 820 Regularly stocked tubing size &Customized sizes

About us:

1.Number of Employees: Above 2000 people 2.Total Annual Sales Volume: About 46 million USD 3.Year Established: 1986 4.Our factory covers over 800 acres 5. We have 5 branch factories in China: Irene Perfume & Fragrance Factory (Heshan) Sanhe Glass Products Company Ltd. (Linzhou City, Henan Province) Sanhe Cap Manufacturing Factory (Guangzhou) Sanhe Polishment Factory (Guangzhou)

Huailai Tianyuan Special Type Glass Co., Ltd. (Hebei Province)

6.Our marketing office and designers are in Guangzhou City. 

Details of our borosilicate 3.3 colored glass tubes:

material: artistic building material

use: home decoration/adornment

personality: green&healthy products

colored borosilicate glass

  Available colors: clear , dark blue, light blue, amber, light yellow, green, pink,  purple, red and opaque black ,opaque white.

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 (Customized sizes could be made)

Main composition:

SiO2: 80±0.5%

B2O3: 13±0.2%

Al2O3: 2.4±0.2%

Na2O(+K2O): 4.3±0.2%

Chemical properties:

Coefficient of mean linear thermal expansion (20°C/300°C):

    3.3±0.1 (10-6K-1)

Transformation temperature: 525±15°C

Working point: 1,260±20°C

Softening point: 820±10°C

Density at 20°C: 2.23g/cm²

Hydrolytic resistance at 98°C: ISO719-HGB1

Hydrolytic resistance at 121°C: ISO720-HGA1

Acid resistance class: ISO1776-1

Alkali resistance class: ISO695-A2

If you like this borosilicate 3.3 colored glass tubes, please contact me at anytime.  

borosilicate 3.3 colored glass tubes