SUPRAX® 8488 を使用した MAXOS® 安全視認ガラスとレベルゲージガラスは、使用温度が300℃までの用途に使用できますが、更に高い温度環境下では、アルミノシリケートガラスを使用した安全視認ガラスとレベルゲージガラスを推奨します。アルミノシリケートガラスの製品はガラス転移温度 (Tg) は630℃ であり、使用温度が375℃までの用途に使用できます。化学薬品からの影響 を最初に防ぐ防護壁の内側（直接液体や気体の化学薬品と接触する）の材料として欠かせない材料です。
| Pressure and thermal load | |
|---|---|
| Max. pressure | 225 bar / 3.263 psi |
| Max. temperature | 375 °C / 707 °F |
| Thermal shock resistance acc. to ISO 718 | ΔT 230 °C |
| Surface compressive stress | |
|---|---|
| s = 100 - 140 MPa (N/mm²) |
| Coefficient of expansion | |
|---|---|
| α 20 / 300 4,8 x 10-6 K-1 |
| Chemical characteristics | ||
|---|---|---|
| Hydrolytic resistance acc. to | ISO 719 | Class 1 |
| Acid rsistance acc. to | ISO 12116 | Class 3 |
| Alkali resistance acc. to | ISO 695 | Class 3 |
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