$1000
High Pressure Resistant Borosilicate Toughened Glass Sheet
| Quantity(Square Meter) | 1 - 5 | >5 |
| Est. Time(days) | 10 | To be negotiated |
Borosilicate Corrosion Resistant Test Capillary Glass Tube
1.high temperature resistant,can work under 1200°C continuously,and in short time can even work under 1450°C, its softening temperature is 1650°C,and the melting temperature is 1750-1800°C.
2.Corrosion resistant, Except hydrofluoric acid, quartz test tube do not react with any acid and base except hydrofluoric acid.the stability is 30 tims of the ceramic,and 150 times of stainless steel .
3.Excellent thermal shock stability
4.High transmission to 85%
5.Electric insulation ,it is 10000 times of usual glass
SPECIFICATION:
Physical Property |
|||
No. |
Physical performance |
Numerical Value |
Unit |
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 |
1 |
Chemical Property |
|||
1 |
Hydrolytic resistance at 98°C |
ISO719-HGB 1 | |
2 |
Hydrolytic resistance at 121°C |
ISO720-HGA 1 | |
3 |
Acid resistance Class |
ISO1776-First Class | |
Main Composition |
|||
| SiO2:81 B2O3:13 Na2O+K2O:4 Al2O3:2 | |||
FEATURES:
1.)Test tube with round bottom and flat bottom.
2.)Rim: with rim or without rim
3.)Material: borosilicate 3.3 or borosilicate 4.0
OUR ADVANTAGES:
1. Over 10 years experience on glass deep processing.
2. High quality glass with CCC and ISO certification.
3. Most of our production machines from Italy and Korea to ensure the quality
4. Professional international sales team
PRDUCT SHOW:
CE RoHS ISO9001:2015
Borosilicate
Corrosi
on Resistant Test Capillary Glass Tube
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