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Fire Clay Brick for Coke Oven:
Features:
1) Fire clay checker brick JN40a for coke oven:
a) Al 2O3 (%): 40
b) Fe 2O3 (%): 2.0
c) Refractoriness (SK): 32
d) Refractoriness under load, 0.2MPa, Ta, (o C):1450
e) Porosity (%): 22
f) Bulk density (g/cm&up 3;): 2.0
g) Cold crushing strength (Mpa): 35
h) Thermal expansion at 1000o C (%):0.6
2) Fire clay checker brick JN406 for coke oven:
a) Al 2O3 (%): 40
b) Fe 2O3 (%): 2.0
c) Refractoriness (SK):32
d) Refractoriness under load, 0.2MPa, Ta (o C): 1,400
e) Porosity, (%): 24
f) Bulk density (g/cm&up 3;): 2.0
g) Cold crushing strength (Mpa): 30
h) Thermal expansion at 1,000o C (%): 0.6
3) Special alumina brick JLZ-75:
a) Al 2O3 (%): 75
b) Fe 2O3 (%): 2.0
c) Refractoriness, SK: 36
d) Refractoriness under load, 0.2MPa, KD (o C): 1,550
e) Permanent change at 1,500o Cx 2hrs. (%):+0.1 - -0.4
f) Porosity (%): 20
g) Bulk density (g/cm&up 3;): 2.65
h) Cold crushing strength (Mpa): 65
i) Creep at 0.2MPax 50hrs x 1,500o C, (%): 0.5
4) Special alumina brick JHL-75:
a) Al 2O3 (%): 75
b) Fe 2O3 (%): 0.8
c) Refractoriness, SK: 36
d) Refractoriness under load, 0.2MPa, KD, o C: 1,650
e) Permanent change at 1,500o Cx 2hrs, (%):0 - +0.1
f) Porosity, (%): 18
g) Bulk density (g/cm&up 3;): 2.65
h) Cold crushing strength (Mpa): 90
i) Creep at 0.2MPa x (20-50) hrs. x 1,500o C, (%):0.2
5) Alumina - sillimanite brick LS-60:
a) Al 2O3 (%): 60
b) Refractoriness (SK): 36
c) Refractoriness under load, 0.2MPa, T2, (o C): 1,500
d) Permanent change at 1400 0Cx 2hrs, (%): &lusmn;0.2
e) Porosity (%): 22
f) Cold crushing strength (Mpa): 50
g) Thermal sh (o C) k resistance at 1,100o C in
water, cycles: 20
6) Alumina - sillimanite brick LS-65:
a) Al 2O3 (%): 65
b) Refractoriness (SK): 36
c) Refractoriness under load, 0.2MPa, T2, (o C): 1,550
d) Permanent change at 1,400o Cx 2hrs, (%): &lusmn;0.2
e) Porosity (%): 22
f) Cold crushing strength (Mpa): 50
g) Thermal sh (o C) k resistance at 1,100o C in
water (cycles): 20
7) Andalusite brick HS-55:
a) Al 2O3 (%): 55
b) Refractoriness (SK): 35
c) Refractoriness under load, 0.2MPa, T2, o C: 1,450
d) Permanent change at 1,400o Cx 2hrs, (%): &lusmn;0.2
e) Porosity (%): 22
f) Cold crushing strength (Mpa): 50
g) Thermal sh(o C) k resistance at 1,100o C in
water, (cycles): 20
8) Cordierite brick SPCD-50:
a) Al 2O3 (%): 50
b) Refractoriness (SK): 35
c) Porosity (%): 24
d) Cold crushing strength (Mpa): 40
e) Thermal sh(o C) k resistance at 1,100o C in
water, (cycles): 12
f) Thermal expansion at 1,000o C, (%): 0.5
9) Sintered-mullite brick MZ-60:
a) Al 2O3 (%): 60
b) Fe 2O3 (%): 1.2
c) Refractoriness (SK): 36
d) Bulk density (g/cm&up 3;): 2.45
e) Refractoriness under load, 0.2MPa, T2, o C: 1,600
f) Permanent change at 1,500o Cx 3hrs, (%): &lusmn;0.1
g) Porosity (%): 20
h) Cold crushing strength (Mpa): 50
10) Sintered-mullite brick MZ-75:
a) Al 2O3 (%): 75
b) Fe 2O3 (%): 0.6
c) Refractoriness (SK): 36
d) Refractoriness under load, 0.2MPa, T2, o C: 1,700
e) Bulk density (g/cm&up 3;): 2.6
f) Permanent change at 1,500o Cx 3hrs., (%): &lusmn;0.1
g) Porosity (%): 20
h) Cold crushing strength (Mpa): 60
11) Crundunm - mullite brick GMS - 80:
a) Al 2O3 (%): 80
b) Fe 2O3 (%): 0.5
c) Refractoriness (SK): 36
d) Refractoriness under load, 0.2MPa, T2, (o C): 1,700
e) Permanent change at 1500 0C x 3hrs., (%): &lusmn; 0.1
f) Porosity (%): 20
g) Cold crushing strength (Mpa): 60
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