Characterizes
1. Low elasticity
2. High strength
3. Low shrinkage.
4. Good adhesion, workability and durability.
Usage
It is widely used in blast furnace of the body, the protective layer and the lining of piping and flue systems.
|
Brand
|
HD-PT35
|
HD-PT40
|
HD-PT45
|
HD-PT50
|
HD-PT65
|
HD-PT70
|
|
|
Al2O3 (%) ≥
|
35
|
40
|
45
|
50
|
65
|
70
|
|
|
Bulk density (g/cm3)
|
1.3±0.1
|
1.6±0.1
|
1.8±0.1
|
2.0±0.1
|
2.2±0.1
|
≥2.3
|
|
|
C.S
(MPa)≥
|
110°C×24h
|
4
|
6
|
8
|
12
|
15
|
15
|
|
°C×3h
|
1000°C
5
|
1200°C
8
|
1250°C
12
|
1300°C
15
|
1350°C
20
|
1400°C
20
|
|
|
Linear change
( % ) ≤
|
°C×3h
|
---
|
1200
± 1.0
|
1300
±1.0
|
1300
±1.0
|
1350
±1.1
|
1400
±1.2
|
|
thermal conductivity 800 °C
(W/m.k) ≤
|
0.50
|
0.55
|
0.65
|
—
|
—
|
|
|

