Glastherm® HT 250 M - ASTM
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Characteristics
- Low thermal conductivity and extremly high heat resistance
- Fibre-reinforced composite material developed for applications in field of thermal insulation (max. continuous operating temperature 250°C)
- Reduces Heat Loss
Technical Specifications Glastherm® HT 250 M - ASTM
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Standard Color | Brown | ||
| Maximum Service Temp. | °C | 400 | |
| Continuous Use Temp. | °C | 250 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Flexural Strength | ASTM D 790 | psi | 43,500 |
| Compressive Strength @RT | ASTM D 695 | psi | 87,000 |
| Compressive Strength @356°F / 180°C | ASTM D 695 | psi | 65,200 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Coefficient of Thermal Expansion Across Thickness | ASTM D 696 | (in./in.°C) x 10-5 | 11.6 |
| Coefficient of Thermal Expansion Across Surface | ASTM D 696 | (in./in.°C) x 10-5 | 1.3 |
| Thermal Conductivity | ASTM C 177 | 1.54 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Density | ASTM D 792 | lbs/ft3 | 125 |
| Water Absorption | ASTM D 570 | % by wt. | 0.15 |
| Thickness Tolerance | inches | +/-0.004 |
| Test Method | Unit | Guideline Value | |
|---|---|---|---|
| Electrical Strength - Perpendicular S/T in Air | ASTM D 149 | Vpm | 300 |
