Glassware (GT013), china Glassware (GT013) manufacturer, Glassware (GT013) wholesale center

Detailed Product Description

1)Available colors: Dark blue, light blue, amber, green, light yellow, pink, purple, red and opaque black

2)Regulary stocked rod diameter: 4-36mm

3)Regulary stocked rod length: 1, 200mm

4)Customized sizes are available(outside diameter: 3.5-46mm)

5)Main composition:

A)Sio2: 80+/-0.5%

B)B2O3: 13+/-0.2%

C)Al2O3: 2.4+/-0.2%

D)Na2O(+K2O): 4.3+/-0.2%

6)Chemical properties:

A)Coefficent of mean linar thermal expansion (20/300º C): 3.3+/-0.1(10-6K-1)

B)Transformation temperature: 525+/-15º C

C)Working point: 1.260+/-20º C

D)Softening point: 820+/-10º C

E)Density at 20º C: 2.23g/cm2

F)Hydrolytic resistance at 98º C: ISO719-HGB1

G)Hydrolytic resistance at 121º C: ISO720-HGA1

H)Acid resistance class: ISO1776-1

I)Alkali resistance class: ISO695-A2