400-602-2286
Address:No. 15, Shuanglou Road, Liuwei Industrial Park, Qutang Town, Haian County, Jiangsu
Tel:86-0513-88797122 , 88792571
Fax:86-0513-88796768
E-mail:sales@insunoptics.com
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Yinxing Optical is mainly engaged in the production and processing of optical glass (filter) and special glass.
Product description
B270 super white glass performance:
1：
| Optical properties | transmittance |
|---|---|
| nd |
1.5230
|
| ne |
1.5251
|
| ve |
58.3
|
| 2mm |
91.7%
|
| 4mm |
91.6%
|
| 15mm |
91.0%
|
2：
| Mechanical properties | Standard values |
|---|---|
| The density |
2.55g/cm3
|
| Knoop hardnessHK 100 |
542kg/mm2
|
| Young's modulusE |
71.5kN/mm2
|
| Poisson's ratioμ |
0.208
|
3：
| Thermal performance | Standard values |
|---|---|
| Strain point |
511°C
|
| Annealing temperature |
541°C
|
| Softening point |
724°C
|
| Thermal expansion coefficient |
9.4×10E-6/K
|
4：
| Chemical properties | Standard values |
|---|---|
| deliquescence（ISO719） |
HGB3
|
| Resistance to acid（ISO1776） |
2
|
| Alkali resistance（ISO695） |
A2
|
Spectral curve of B270 super white glass
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