05
Testing · quality · risk mitigation
Heat-Soaked Glass
Controlled heating to 290 °C accelerates the nickel sulphide (NiS) alpha-to-beta transformation, causing vulnerable panels to fail inside the chamber rather than after installation. The Heat Soak Test is standard practice for high-rise, overhead and safety-critical glazing.
Key features
- EN 14179-1 certified Heat Soak Test process
- Nickel sulphide (NiS) inclusion detection and elimination
- 8-hour controlled soak cycle at 290 °C
- Reduces spontaneous breakage risk by 95%+
- Full batch traceability and documentation
- Large-capacity furnaces up to 2500 × 12,000 mm
Performance data
- Soak temperature
- 290 °C ± 10 °C (EN 14179)
- Hold time
- minimum 2 hours at temperature
- Residual breakage rate
- <0.1% post-treatment
- Certifications
- ISO 9001, CE EN 14179, AS/NZS 2208