borosilicate 3.3 profile glass tube

Borosilicate 3.3 profile glass tube thermal shock,Hydrolytic, chemical resistance wide application in lighting and decoratio

 Borosilicate 3.3 profile tube in varing profiles

 Physical performance

Coefficient of mean linear thermal expansion(20,300)    3.3±0.1 10-6K-1

Transformation temperature                                         525±15

Softening point                                                           820±10

Working point                                                            1260±20

Density at 20                                                             2.23±0.02g/cm3

Mean thermal conductivity(20-100)                              1.2w/m2k

Refractive index                                                          0.92

Main Composition

SiO2                      81

B2O3                     13

Na2O+K2O        4

Al2O3                     2

Chemical Property

Hydrolytic resistance at 98          ISO719-HGB 1

Hydrolytic resistance at 121        ISO720-HGA 1

Acid resistance Class                 ISO1776-First Class

Borosilicate glass tubing and rod, available in varying types of inner and outer profile

High Resistance to Thermal Shock

High Hydrolytic Resistance

High Chemical Resistance

Application:

Lighting: flameproof light fittings

Gifts: decoration,andlesticks Lanterns

Interior Decoration

Furniture Fittings

borosilicate 3.3 profile glass tube