Properties
|
Sealed Pressing-in Water
JCSM
|
Sealed Pressing-in Non-water
JCFSM-1
|
Sealed Pressing-in Non-water
JCFSM-2
|
Extrusion Hard Sealed Pressing-in
JCYM
|
Sealed Pressing-in Carbon
JCFSM-3
|
|
Refractorinsce
(?橼/span>
|
≥1700 |
≥1750 |
≥1700 |
≥1790 |
≥1700 |
|
Apparent porosity
(%)
|
/ |
≥22.0 |
≥23.0 |
≥20.0 |
≥23.0 |
|
Bulk density
(g/cm3)
|
≥1.5 |
≥2.0 |
≥2.7 |
≥1.7 |
≥1.6 |
|
Compressive strength
(Mpa)
|
/ |
≥15.0 |
≥30 |
≥35 |
≥30 |
|
Breaking strength
(Mpa)
|
After drying |
≥6.0 |
≥5.0 |
≥10.0 |
≥17.0 |
/ |
After heating
|
≥7.0
(1000?欳h)
|
/ |
≥20.0
(1500?欳h)
|
≥4.0
(1000?欳h Reducer)
|
/ |
|
Linear change rate
(%)
|
0??0.5
(1200?漯span>??3h)
|
±1
(1200?漯span>??3h)
|
±1
(1400?漯span>??3h)
|
/ |
/ |
/ |
Breaking strength
(Mpa)(1100?榴imes;24h)
|
/ |
≥0.8 |
/ |
≥2.0 |
/ |
|
Chemical compositions
(%)
|
Al2O3
|
≥40 |
≥55 |
≥68 |
≥30 |
?ҷּ/span>≤6 |
SiO2 |
/ |
/ |
/ |
≤40 |
ˮ?ּ/span>≤1 |
|
F.C |
/ |
/ |
/ |
≥26 |
≥54 |
|
Application areas
|
Tuyere furnace body |
Cooling wall furnace body |
Tuyere furnace body |
Furnace body |
Hearth,spout |
|
Remarks |
/ |
JCFSM-1 |
JCFSM-2 |
Equipped with high pressure pipe |
Construction after heating |
JC Sealed Pressing-in Mass for Blast Furnace