Features
| Category | Value / Description |
|---|---|
| approval | |
| European technical approval | ETA-11/0458 |
| Construction material class | According to DIN EN 13501-1 — Non-combustible, A1 |
| Fire resistance | IMPO FTPC part 1 — Non-combustible |
| Classification of ingredients | National / European |
| Dimensional tolerances (at constant humidity) | |
| Length and width | ± 1mm |
| Diagonal difference | ≤ 2mm |
| Thickness | ± 1mm |
| Technical specifications | |
| Density (dry ρk) | ≈ 640 – 950 kg/m³ |
| Bending strength (EN 12467, 10%) | ≈ 3.5 N/mm² |
| Vapour diffusion resistance coefficient μ (EN ISO 12572) | ≈ 54 |
| Thermal conductivity λR (DIN EN 12667) | ≈ 0.21 W/mK |
| Specific heat capacity c | ≈ 0.9 kJ/kg |
| Elongation / Shrinkage (rel. humidity change 30%, 20°C, EN 318) | ± 0.1% |
| Equilibrium humidity (65% RH, 20°C, EN ISO 12570) | ≈ 7% by weight |
| Compressive strength (EN 789) | ≈ 9 N/mm² |
| Alkalinity (pH value) | ≈ 12 |
| Flexural modulus of elasticity (EN 12467 ±10%) | ≈ 3,000 N/mm² |
