以方镁石和镁铝尖晶石为主要矿物组成的耐火制品。一般由镁砂和合成镁铝尖晶石为原料而制成。
项目(Item)
|
MgO% ≥
|
AL2O3% ≥
|
SiO2% ≤
|
显气孔率A•P% ≤
|
体积密度B•Dg/cm3 ≥
|
常温耐压强度C•C•SMPa ≥
|
0.2Mpa荷重软化温度T0.6R?U?L℃ ≥
|
热震稳定性T•S•R(950℃空冷次)≥
|
热导率T•C(1000℃)
W/m?k ≤ |
热膨胀率Therm•Exp
(1400℃)% |
牌号(Brand)
|
||||||||||
GHMAJ-85A
|
85
|
9-13
|
1.0
|
18
|
2.95
|
50
|
1700
|
120
|
3.0
|
1.2
|
GHMAJ-85B
|
82
|
9-13
|
2.0
|
18
|
2.90
|
50
|
1700
|
100
|
||
GHMAJ-85C
|
80
|
9-13
|
3.0
|
19
|
2.85
|
40
|
1650
|
100
|
2.9
|
|