Цветная стеклянная боросиликатная трубка, боросиликатная стеклянная трубка, индийские стеклянные трубки

1.

  Material

High COE3.3 borosilicate glass

2.

 Color

clear,amber, dark blue, green, purple, pink, black , white

3.

  Outside Dimaeter

5-400mm,

4.

  Wall thickness

0.8-12mm

5.

 Package

carton

No.

Physical performance

Numerical Value

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

Softening point

820±10 °C

4

Working point

1260±20 °C

5

Density at 20°C

2.23±0.02 g/cm3

6

Mean thermal conductivity(20°C-100°C)

1.2 w/m2k

7

Refractive index

0.92

Main Composition

SiO2

B2O3

Na2O+K2O

Al2O3

81

13

4

2

Chemical Property

Hydrolytic resistance at 98°C

ISO719-HGB 1

Hydrolytic resistance at 121°C

ISO720-HGA 1

Acid resistance Class

ISO1776-First Class

1.

High Heat Resistant;

2.

Eco-friendly;

3.

Lead free;

4.

In Stocked;

Usage