Packaging Glass ST5817
ST5816, ST5817, GD6 and other sealing glasses provide reliable seals together with resistance to high temperature, high pressure, thermal shock and chemical corrosion, high electrical insulation and excellent optical properties. Applications include electronics, laser and infrared technology, electric light sources, high-energy physics, aerospace, energy and automotive packaging. Products can be developed for different packaging designs, technical specifications and customer performance requirements. Standard supply is in strips, with customization available.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Thermal Expansion Coefficient α₁₀₀/₃₀₀℃ [100/300℃] | 5.8 10⁻⁶/K |
| Transition Temperature Tg | 827 ℃ |
| T10¹⁴.⁵ | 767 ℃ |
| T10¹³ | 810 ℃ |
| T10⁷.⁶ | 970 ℃ |
| Stress-Optic Coefficient B | 2.12 10⁻¹²/Pa |
| Density ρ | 3.4 g/cm³ |
| Elastic Modulus E | 11177 10⁷Pa |
| Poisson's Ratio μ | 0.28 |
| Refractive Index n_d | 1.66 |
| Alkali Content | ＜0.03 |
Datasheet
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