Technics
1. Made of high alumina bauxite, corundum and some addictive agglutinated by alumina cement.
2. It is formed by pouring or liberation.
3. Excellent wear resistant performance ,high strength at medium and high temperature.
Advantages
1. Good thermal shock resistance and volume stability.
2. High strength
3. Good wear-resistance and erosion-resistance.
4. Good corrosion resistance.
5. Long life and other characters
Usage
suitable for petroleum, chemical, metallurgy, ceramic, and other kinds of thermal furnace lining.
|
Brand
|
|
|
|||||||
|
HD-
NMJ65
|
HD-
NMJ70
|
HD-
NMJ75
|
HD-
NMJ80
|
HD-
NMJ85
|
HD-
NMZ75
|
HD-
NMZ80
|
HD-
NMZ85
|
||
|
Al2O3 (%) ≥
|
65
|
70
|
75
|
80
|
85
|
75
|
80
|
85
|
|
|
Bulk density
(g/cm3) ≥
|
110°C × 24 h
|
2.5
|
2.5
|
2.6
|
2.7
|
2.8
|
2.6
|
2.7
|
2.8
|
|
MOR
(MPa)≥
|
110°C × 24 h
|
8
|
8
|
9
|
10
|
12
|
8
|
9
|
10
|
|
1000°C × 3 h
|
10
|
11
|
12
|
12
|
13
|
10
|
11
|
12
|
|
|
C.S
(MPa)≥
|
110°C × 24 h
|
50
|
60
|
65
|
70
|
75
|
60
|
65
|
70
|
|
1000°C × 3 h
|
60
|
70
|
80
|
90
|
100
|
70
|
80
|
90
|
|
|
RLC
(%) ≤
|
1000°C × 3 h
|
±0.3
|
±0.3
|
±0.3
|
±0.3
|
±0.3
|
±0.3
|
±0.3
|
±0.3
|
|
Cold abrasion value
(cm3 ) ≤
|
1000°C × 3 h
|
9
|
8
|
7
|
7
|
6
|
8
|
7
|
6
|
|
TSR 1000°C
water - cooling ≥
|
20
|
20
|
20
|
20
|
20
|
20
|
20
|
20
|
|
|
Maximum temperature ( °C )
|
1450
|
1500
|
1550
|
1600
|
1650
|
1550
|
1600
|
1650
|
|