| Characteristic | Silbonit |
| Specific gravity when dry | ≥1.6 kg / dm³ |
| Max. water absorption (**) | 25% |
| Natural Humidity | 10 + 15% |
| Movement in extreme weather conditions temperature and moisture conditions -5°C + 100°C; 20 + 90 % | 1.5 mm/m |
| Thermal conductivity | 0.36 W/mK |
| Thermal expansion coefficient | 0.00001 °C-¹ |
| Combustibility | Class: A2 – s1, d0 |
| Freeze resistance | Optimum |
| Oils, acids, bases, salts resistance | Good |
| Impermeability | Absolute |
| Wear resistance | Good |
| Bending resistance (ambient conditions) | |
| Perpendicular rupture to fibers | 32 N/mm² |
| Parallel rupture to fibers | 22 N/mm² |
| Compression resistance | 40 N/mm² |
| Resilience | 2 Nmm/mm² |
| E modulus of elasticity (ambient conditions) | 12.000 N/mm² |
| Endurance class (EN 12467) | Category A |
**Sheets not treated and after a 24-hour bath in water
The sheets are classified as follows class 4 – category A – level 1 (EN 12467 standards)
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