Products
The company's main products include 1050 ° C and 650 ° C asbestos free high-temperature resistant calcium silicate insulation products
Provide thoughtful service and high-quality products
Date:2023-09-22 10:53
Category:Products
Application area:
Calcium silicate insulation boards with the density of 230-300kg / m are commonly used in cement industry , electrolytic aluminum industry ,Iron and steel Industry and power plants etc .
FEATURES | |
Heat-resistant at high temperature | Excellent mechanical strength |
Strong thermal insulation performance | Easy construction |
Low density |
TECHNICAL DATE | |||||
Product type | NRH-20 | NRH-23 | NRH-25 | NRH-27 | |
Bulk Density ( Dry ) | kg/m³ | 200(±10%) | 230(±10%) | 250(±10%) | 270(±10%) |
Modulus of Rupture | Mpa | ≥0.35 | ≥0.45 | ≥0.5 | ≥0.55 |
Cold Crushing Strength ( At 5% Deformation Room Temp .) | Mpa | ≥0.60 | ≥0.80 | ≥0.90 | ≥1.0 |
Service Temp . Limit | % | 1000 | 1000 | 1000 | 1000 |
Linear Shrinkage | ≤2(1000,16hrs) | ≤2(1000,16hrs) | ≤2(1000,16hrs) | ≤2(1000,16hrs) | |
Thermal Conductivity | w/m.k | 200℃,0.075 | 200℃,0.085 | 200℃,0.095 | 200℃,0.098 |
w/m.k | 400℃,0.098 | 400℃,0.100 | 400℃,0.108 | 400℃,0.110 | |
w/m.k | 600℃,0.150 | 600℃,0.152 | 600℃,0.156 | 600℃,0.158 | |
w/m.k | 800℃,0.210 | 800℃,0.214 | 800℃,0.216 | 800℃,0.218 | |
Compression Strength at % Deformation after 16hrs * 1000C | Mpa | 0.32 | 0.40 | 0.45 | 0.50 |
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 |