Silbonit Technical Data

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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 testing was performed on “Silbonit”, the European name for Silbonit.

The sheets are classified as follows class 4 – category A – level 1 (EN 12467 standards)