- Working temperature: from -60°C to +1000° C (PURISIL:1200°C)
- Flammability class - NF (non-flammable)
- No asbestos
- Not toxic, don't secrete harmful substances
- Low resistance to abrasion
- Textured
Composition:- SiO₂ - 54-58%
- Al₂O₃ - 42-46%
- Substances removed by calcination – no more than 25%
- Moisture - less than 5%