Adran bibell gwlân graig
Cais
Rhwystr tân wal allanol, piblinellau poeth ac oer (piblinellau stêm), atal tân morol
Manylebau
| Dwysedd (kg/m³) | Dargludedd thermol (W/m·K) | Tymheredd (℃) |
| 80-200, Uchafswm. 650 | 0.040-0.050 | Uchafswm o 650 |
Rhwystr tân wal allanol, piblinellau poeth ac oer (piblinellau stêm), atal tân morol
| Dwysedd (kg/m³) | Dargludedd thermol (W/m·K) | Tymheredd (℃) |
| 80-200, Uchafswm. 650 | 0.040-0.050 | Uchafswm o 650 |
