of Chinese Stone Machinery
● Low thermal conductivity, low heat storage.
● Excellent thermal stability and thermal shock resistance.
● Excellent tensile strength.
● Excellent thermal insulation, fireproof and sound absorption.
● Industrial furnace, heating devices, high-temperature pipe wall lining; high temperature boilers, steam turbine and nuclear power thermal insulation.
● Chemical industrial high-temperature reaction equipment and heating equipment wall linings.
● High building fireproof and thermal insulation.
● Furnace door and roof thermal insulation.
Types (℃) | 1050 Common | 1260 STD | 1350 ZrAl | 1450 HZ | |
Operation Temp (℃) | 950℃ | 1150℃ | 1250℃ | 1350℃ | |
Density (kg/m³) | 64/80/96/128/160 | ||||
Permanent Change on Heating | 950℃×24h≤-3 | 1050℃×24h≤-3 | 1200℃×24h≤-3 | 1350℃×24h≤-3 | |
Heat Conductive Co-efficient W/(m▪k) (128kg/m³) | 0.15 (600℃) 0.22 (800℃) |
0.12 (600℃) 0.20 (800℃) |
0.12 (600℃) 0.20 (800℃) |
0.16 (600℃) 0.20 (800℃) |
|
Tensile Strength (Thickness 25mm) | ≥ 0.04 | ≥ 0.05 | ≥ 0.04 | ≥ 0.06 | |
Chemical Composition |
Al2O3 (%) | 44 | 45-46 | 44 | 39-40 |
Al2O3 + SiO2 (%) | ≥ 96 | ≥ 98 | - | - | |
Al2O3 + SiO2 + ZrO2 (%) | - | - | 99 | 99 | |
ZrO2 (%) | - | - | 5~7 | 15-17 | |
Fe2O3 (%) | ≤ 1.0 | ≤ 0.8 | ≤ 0.2 | ≤ 0.2 | |
Na2O + K2O (%) | ≤ 0.4 | ≤ 0.3 | ≤ 0.2 | ≤ 0.2 | |
CaO + MgO | ≤ 0.3 | ≤ 0.2 | ≤ 0.2 | ≤ 0.2 | |
Size (mm) | 15000×610/1220×10mm 14400×610/1220×12.5mm 7200×610/1220×20mm 7200×610/1220×25mm 5000×610/1220×30mm 4500×610/1220×40mm 3600×610/1220×50mm, or other size, specification and shapes as required |
According to your actual needs, choose the most reasonable overall design and planning procedures