Description
JM23JM26brickandhas a lowdensity and lowthermal conductivity.Widely usedin the equipmentof thermal insulation anda variety of industrialfurnaces,electricfurnaces, metallurgicalfurnaces.
The indexnumberof the product
JM20 JM23 JM26 JM28 JM30
Refractoriness℃1100 1260 1430 15401650
Plotnostg/cm30.45 0.48 0.78 0.99 1.02
StrengthszhatiiMpa≥ 0.8 1.1 1.6 2.1 2.5
Bending strength Mpa ≥ 0.7 0.9 1.4 1.8 2.0
Preheatchangeslinii24h≤1080℃
0.11230℃
0.21400℃
0.21510℃
0.21620℃
0.5
Al2O3 ≥
Fe2O3 ≤ 35.0
0.837.0
0.756.0
0.767.0
0.673.4
0.5
teploprovodnost260℃ ≤
540℃ ≤
815℃ ≤ 0.12 0.14 0.32 0.33 0.41
0.44 0.16 0.34 0.35 0.43
-- 0.360.370.44
Thermal shock resistance- -20 30 30
Packing:wooden pallets
The indexnumberof the product
JM20 JM23 JM26 JM28 JM30
Refractoriness℃1100 1260 1430 15401650
Plotnostg/cm30.45 0.48 0.78 0.99 1.02
StrengthszhatiiMpa≥ 0.8 1.1 1.6 2.1 2.5
Bending strength Mpa ≥ 0.7 0.9 1.4 1.8 2.0
Preheatchangeslinii24h≤1080℃
0.11230℃
0.21400℃
0.21510℃
0.21620℃
0.5
Al2O3 ≥
Fe2O3 ≤ 35.0
0.837.0
0.756.0
0.767.0
0.673.4
0.5
teploprovodnost260℃ ≤
540℃ ≤
815℃ ≤ 0.12 0.14 0.32 0.33 0.41
0.44 0.16 0.34 0.35 0.43
-- 0.360.370.44
Thermal shock resistance- -20 30 30
Packing:wooden pallets
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JM23 brick
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