Fireproof glass
Borosilicate 4.0 monolithic fireproof glass
1. The softening point is high, reaching more than 845ºC, which is 120ºC higher than ordinary soda-calcium plate glass
2. Low coefficient of thermal expansion
3, the physical and mechanical properties of high bending and compressive strength
4, good chemical stability
| |
softening point(ºC) |
Density(g/cm3) |
expansion coefficient( X 10-6K-1) |
elasticity modulus(103N-mm2) |
Poisson's ratio |
| Borosilicate 3.3 glass |
845 |
2.28 |
4 |
68 |
0.2 |
| Borosilicate 4 glass |
820 |
2.23 |
3.3 |
63 |
0.2 |
| Float Glass |
720 |
2.5 |
9.5 |
68 |
0.24 |
Product features:
Borosilicate 3.3 glass
1,borosilicate 3.3 is the international standard ISO 3585 standard glass
2,has high temperature resistance and good temperature characteristics of blast
3,with good chemical stability
Borosilicate 4 glass
1,borosilicate glass softening point of 4, higher than the temperature of more than 845 degrees Celsius, higher than ordinary sodium calcium flat glass
120 2,low thermal expansion coefficient
3,the flexural and compressive strength of high physical and mechanical properties
4,good chemical stability
5,is an alternative to ordinary sodium calcium flat glass as a fire-resistant glass,substrate upgrade products
Borosilicate 3.3 and 4.0 have excellent thermal shock resistance and high softening point temperature. Borosilicate 4.0 can generate enough preheating stress to meet the use requirements of safety glass; Density is more than 8% lower than traditional soda-calcium glass.
Borosilicate 4.0 plate glass after tempered, single glass thickness of 6mm and above, all meet the fire integrity of 3 hours fire test. Therefore, borosilicate 4.0 plate glass is an ideal material to replace the traditional float glass in the field of building fire prevention.
Borosilicate 4.0 plate glass hardness is high, close to Mohs hardness grade 7 (ordinary float grade 6); Good wear resistance, under the same load conditions, only one fourth of ordinary glass; Chemical corrosion resistance is strong, there is no ordinary glass mold problem. Therefore, this kind of glass surface damage is small, long service life.
For the package, size, we could produce according to your needs.
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