Product description：
◎ High temperature calcium silicate insulation products, with high heat resistance temperature, strong insulation performance, low volume weight, high specific strength, good durability, convenient construction and other excellent characteristics.
◎ It can be widely used in energy saving and heat preservation projects of industrial furnaces.
Product features:
◎ Ultra-low bulk density
◎ Excellent heat insulation performance
◎ Excellent compressive strength
◎ Green building materials products
Typical application:
◎ Non-ferrous metal industry backing heat insulation
◎ Low temperature insulation of metallurgical building materials equipment
◎ Marine, fire door industry insulation filling
◎ Environmental protection and green fireproof building materials
Technical index：
| Physical property | unit | Redon calcium silicate board |
National standard GB/T10699-1998 |
Japanese standard JISA9510-1995 |
|||
| RDGW-17 | RDGW-20 | RDGW-23 | RDGW-25 | ||||
|
Bulk density |
kg/m3 | 170
（±10%） |
200 （±10%） |
230 （±10%） |
250 （±10%） |
≤220, ≤270 |
≤220 |
| Flexural strength
|
MPa | ≥0.25 | ≥0.35 | ≥0.50 | ≥0.55 | ≥0.30 | ≥0.30 |
| Heat conductivity coefficient
|
W/m.k | ≤0.048 +0.00011t |
≤0.050 +0.00011tt |
≤0.056 +0.00011t |
≤0.060 +0.00011t |
≤0.060 (100℃) |
≤0.060 (70℃) |
| Service temperature
|
℃ | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Line shrinkage rate
|
% | ≤2 (1000℃,16hrs) |
≤2 (1000℃, 16hrs) |
≤2 (1000℃, 16hrs) |
≤2 (1000℃,16hrs) |
≤2 (1000℃,16hrs) |
≤2 (1000℃, 3hr) |
