ALD-STD: 1260℃
ALD-HP: 1260℃
ALD-HPA: 1260℃
ALD-GL: 1350℃
ALD-Zr: 1430℃
| Product Name | ALD-STD | ALD-HP | ALD-HPA | ALD-GL | ALD-Zr |
| Classification temperature (℃)) | 1260 | 1260 | 1260 | 1350 | 1430 |
| Thermal Conductivity W/(m.k) | 0.15(at average600℃)) | ||||
| 0.22(at average800℃) | |||||
| 0.30(at average1000℃) | |||||
| Chemical composition(%) | |||||
| Al₂O₃ | ≥43 | ≥44 | ≥44 | ≥40 | ≥35 |
| ZrO₂ | -- | -- | -- | ≥5 | ≥15 |
| Al₂O₃+SiO₂ | ≥98.0 | ≥98.0 | ≥99.1 | -- | -- |
| Al₂O₃+SiO₂+ZrO₂ | -- | -- | -- | ≥98.0 | ≥99.1 |
| Fiber diameter(μm) | 3-5 | ||||
Low heat capacity.
Low thermal conductivity.
Excellent resistance to thermal shock.
Excellent chemical stability.
It is not easy to powder at high temperature.
Without binding agents and other corrosive substances.

Highly processed products: Raw materials such as ceramic fiberboards, paper, and special-shaped products.
Thermal insulation filling material for corners and complex space.
Filling materials for dilation joint.
Filling material for short-term heat insulation repair.
Heat insulating concrete and binder fiber reinforced material.
Pioneer of engineering fiber materials.
Various ceramic fiber textile production.