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
Borosilicate glass (international PYREX glass) physical and chemical properties:
| Silicon content |
>80%
|
|---|---|
| Strain temperature |
520℃
|
| The annealing temperature |
560℃
|
| Softening temperature |
820℃
|
| The refractive index |
1.47
|
| Light transmittance |
≧90％
|
| Modulus of elasticityE |
67KNmm-2
|
| Tensile strength |
40-120Nmm-2
|
| The processing temperature (104 dpas) |
1220℃
|
| Coefficient of thermal expansion (20-300 ℃) |
3.3×10-6/K-1
|
| Poisson's ratioμ |
0.2
|
| Density (20 ℃) |
2.23g/cm3
|
| Specific heat |
0.9Jg-1K-1
|
| Thermal conductivity |
1.2Wm-1K-1
|
| Water resistance (ISO 719). |
Level 1
|
| Water resistance (ISO 719). |
Level 1
|
| Alkali resistant performance (ISO 695) |
Level 2
|
| Heat resistant zag bo stick method glass rod Φ 6 x 30 mm |
300℃
|
High borosilicate glass spectral curve
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