Super light weight
Lower thermal conductivity
High rupture and compressive strengths
Heat resistance and Non-deformation within the working temperature range
Non-corrosiveness to piping and equipment
Asbestos free and waterproof
Technical Index
| ITEM | Unit | DK-20 | DK-23 | DK-25 | DK-27 |
| Bulk density | kg/m3 | 200±10% | 230±10% | 250±10% | 270±10% |
| Flexural Strength | Mpa | ≥0.35 | ≥0.45 | ≥0.50 | ≥0.55 |
| Cold crushing strength
(at 5% deformation room tem) |
Mpa | ≥0.60 | ≥0.80 | ≥0.90 | ≥0.10 |
| Service Temp. Limit | °C | 1000 | 1000 | 1000 | 1000 |
| Linear Shrinkage | % | ≤2 (1000,16hrs) | ≤2 (1000,16hrs) | ≤2 (1000,16hrs) | ≤2 (1000,16hrs) |
| Thermal Conductivity | W/m.k | 200°C 0.075
400°C 0.098 600°C 0.150 800°C 0.210 |
200°C 0.085
400°C 0.100 600°C 0.152 800°C 0.214 |
200°C 0.095
400°C 0.108 600°C 0.156 800°C 0.216 |
200°C 0.098
400°C 0.110 600°C 0.158 800°C 0.218 |
| Compression strength at 10%
Deformation after 16hrs*1000°C |
Mpa | 0.32 | 0.4 | 0.45 | 0.5 |
| porosity | % | 90.8 | 90.6 | 90.4 | 90 |
| Moisture content (by weight) | % | 3-5% | |||
| PH value | 8–9 | ||||
| color | white | ||||
| surface condition | 1.Original dimple pattern
2.Double sanded, smooth and good flatness |
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