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Glass Fabric heat-treated (tempered)
Heat-treated or tempered glass fabric is made from standard woven glass fibers and undergoes an additional finishing phase in which the fabric is passed through a high-temperature oven. This process burns off the small amounts of weaving oils and lubricants (size) present on standard glass fiber yarns. It can also help remove surface fibers, which may reduce irritation during handling.
This process results in the light brown or "caramel-colored" appearance of the fabric. Caramelized glass fabric is often specified when no fumes or "outgassing" can occur during the initial heat cycle of the end product or in applications where weaving oils and lubricants might affect adhesion to other products.
| Material | Glass fabric, made from smooth (GF) or textured (GT) yarns |
| Manufacturing widths | 1000 - 2000 mm |
| Treatment | Heat Treated / Caramelised (thermally desized) (T) |
Technical Characteristics
- Temperature resistance up to 550 °C, short term up to 600 °C
- Small proportion of sizing agent and lubricant
- No outgassing on first use
- Good thermal stability
- Solvent and halogen free
Application Examples
- Generally as a heat protection and insulating fabric for industrial applications
- Steel industry
- Mechanical and plant engineering
- Thermal insulation and covers
Material data Base Fabrics
| Basisgewebe | Temperature resistance | Filament Ø | Manufacturing qualities | Width |
|---|---|---|---|---|
| E-Glass | 600 °C | ≥ 6 μm | 200 - 2000 g/m² | 1000 - 2000 mm |
| HR-Glass | 800 °C | ≥ 6 μm | 240 - 1250 g/m² | 1000 - 2000 mm |
| Silica Glass | 1000+ °C | ≥ 6 μm | 460 - 1250 g/m² | 880 - 1525 mm |
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