Product Description
Ceramic fiber blankets/aluminum silicate needle blankets
Ceramic fiber blankets/aluminum silicate needle blankets are white in color and come in complete sizes and specifications.
They are made of high-quality and high-grade kaolin calcined electrofused wire. They are all produced from first-grade raw materials, ensuring the price advantage of the product.
Our ceramic fiber blankets can still maintain good tensile strength, toughness and fiber structure when used for a long time in neutral and oxidizing atmospheres.
Temperature resistance is 950-1400℃
Features:
1. Excellent chemical stability;
2. Excellent thermal stability;
3. Excellent tensile strength;
4. Low thermal conductivity;
5. Low heat capacity;
6. Excellent sound absorption and noise reduction performance.
Applications:
Used for high-temperature thermal insulation in such industries as aerospace, steel, petrochemicals, and electric power;
1. Equipment fire protection and heat insulation;
2. Wall lining and backing insulation of industrial kilns and heating devices;
3. Thermal insulation of high-temperature equipment;
4. High temperature pipeline insulation;
5. Electrical components are insulated and fireproof;
6. High temperature gasket;
7. Inorganic fire-proof rolling shutter door fire-resistant layer;
DATA SHEET
Max temp. type | 1050 | 1260 | 1400 |
Item no. | PDBGX - 112 | PDBGX - 212 | PDBGX - 312 | PDBGX - 422 | PDBGX - 512 |
Permanent linear contraction after being heated（% ） | 950 ℃× 24h ≤- 3 | 1000 ℃× 24h ≤- 3 | 1100 ℃× 24h ≤- 3 | 1200 ℃× 24h ≤- 3 | 1350 ℃× 24h ≤- 3 |
Theoretical thermal conductivity（W/m.k ） （128kg/ m ³ ） | （average 200 ℃） | 0.045 - 0.060 | 0.052 - 0.070 |
（average 400 ℃） | 0.085 - 0.110 | 0.095 - 0.120 |
（average 600 ℃） | 0.152 - 0.20 | 0.164 - 0.210 |
Theoretical density（kg/m ³ ） | 64/96/128 | 128 | 96/128 |
Specs （mm ） | 3600/7200/14400(L) ×610/1220(W)×10/20/25/30/40/50(Thick) |
Tensile Strength（Thick 25mm ） MPa | ≥ 0.04 |
AL 2 O 3 (%) | ≥44 | ≥45 | ≥45 | 52 ～ 55 | 38 ～ 40 |
Zr 2 (%) |
| 15 ～ 17 |
AL 2 O 3 + SiO 2 (%) | ≥96 | ≥97 | ≥99 | ≥99 | - |
AL 2 O 3 + SiO 2 + Zr 2 (%) | - | - | - | - | ≥99 |
Fe 2 O 3 (%) | ≤1.2 | ≤1.0 | ≤0.2 | ≤0.2 | ≤0.2 |
K 2 O +Na 2 O (%) | ≤0.5 | ≤0.5 | ≤0.2 | ≤0.2 | ≤0.2 |
Special specs, fabrication and die-cut service are available based on request
