由 SUPRAX®8488 制成的 MAXOS® 安全视窗和液位计镜片非常适用于高达 300°C 的温度。 对于更高的操作温度，我们推荐使用铝硅酸盐玻璃制成的安全瞄准镜和水准仪玻璃。 在高达 375°C 的高温应用中，由于Tg 为 630°C，所以使用这些材料。 必须保护玻璃的内侧（即面向蒸汽或液体的一侧），以防止快速的化学侵蚀。
| 压力和热负荷 | |
|---|---|
| 最大压力 | 225 bar / 3.263 psi |
| 最大温度 | 375 °C / 707 °F |
| 耐热冲击性能 到 ISO 718 | ΔT 230 °C |
| 表面压应力 | |
|---|---|
| s = 100 - 140 MPa (N/mm²) |
| 膨胀系数 | |
|---|---|
| α 20 / 300 4,8 x 10-6 K-1 |
| 化学性能 | ||
|---|---|---|
| 耐水解性. 到 | ISO 719 | Class 1 |
| 耐酸性 到 | ISO 12116 | Class 3 |
| 耐碱性符合 | ISO 695 | Class 3 |
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