Vacuum formed special shapres proced with high quality selected alumina silica fiber by vacuum forming technology. It is designed according to different base, surface treated and inserts, some shapes like pipe, tap cone, cover .etc are very common. working temperature range from 950℃(1700℉) to 1450℃(2600℉).
Features
• Low thermal conductivity
• Thermal shock resistance and high temerature stability
• High tensile strength
• Sound absorption
• Easy cut and installment
• No asbestos
• Chemical corrosion resistance
• Low hear storage
Technical characteristics
| Type | 1260STD | 1260HP | 1350 | 1400 | 1450 | |
|---|---|---|---|---|---|---|
| Continuous use temp℃(℉) | 1050(1922) | 1100(2012) | 1170 | 1200(2192) | 1350(2462) | |
| Density(kg/㎥) | 300 450 | 300 450 | 300 450 | 300 450 | 300 450 | |
Permanent linear shrinkage(%) (24hrs@320kg/㎥) | 2-3 (1000℃) | 2-3 (1100℃) | 2-3 (1170℃) | 2-3 (1200℃) | 2-3 (1350℃) | |
Thermal conductivity (w/m.k), (128kg/㎥) | 0.13(800℃) 0.19(1000℃) | 0.13(800℃) 0.19(1000℃) | 0.15(800℃) 0.24(1000℃) | 0.13(800℃) 0.19(1000℃) | 0.13(800℃) 0.19(1000℃) | |
| Chemical composition(%) | Al2O3 | 46 | 47~49 | 48~52 | 52~55 | 39~40 |
| Al2O3+SiO2 | 97 | 99 | 99 | 99 | - | |
| ZrO2 | - | - | - | - | 15~17 | |
| Fe2O3 | <1.0 | 0.2 | 0.2 | 0.2 | 0.2 | |
| Na2O + K2O | ≤0.5 | 0.2 | 0.2 | 0.2 | 0.2 | |
