Manufacture:
1. Use high-purity fused magnesia and high-quality chrome ore as raw materials,
2. Sinter by high-pressure, high temperature until melting,
Product features:
1. High cold crushing strength and bending strength, excellent thermal shock ability, perfect direct bonding;
2. Low apparent porosity, low heat conductivity;
3. Resist the spalling and erosion
.
Product application:
1. Used for the roof to all kinds of steelmaking furnace ;
2. RH, VOD, AOD, and other refining installations;
3. Building industry, glass furnace, cement rotary kiln etc.
The index:
|
Grade
|
Chemical and physical index
|
|||||
|
MgO
( %)
|
Cr2O3
(%)
|
Apparent
Porosity (%)
|
Cold crushing strength(Mpa)
|
0.2MPa the load softens the beginning temperature/°C
|
Heat shock resistance
|
|
|
MGe-8
|
≥60
|
≥ 8
|
≤ 21
|
≥ 30
|
≥ 1530
|
According to client’s demand
|
|
MGe-12
|
≥55
|
≥ 12
|
≤ 21
|
≥ 30
|
≥ 1550
|
|
|
MGe-16
|
≥45
|
≥ 16
|
≤ 23
|
≥ 30
|
≥ 1550
|
|
|
MGe-20
|
≥40
|
≥ 20
|
≤ 23
|
≥ 30
|
≥ 1550
|
|