China 2021 High quality Magnesia Fire Brick - Low density jm26 light weight mullite thermal brick – Rongsheng factory and manufacturers | Rongsheng

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China 2021 High quality Magnesia Fire Brick - Low density jm26 light weight mullite thermal brick – Rongsheng factory and manufacturers | Rongsheng Detail:

JM26 Insulation Brick Description

JM26 insulation fire brick is an effective, energy saving, low carbon, environmental protection advanced, according to the ASTM standard manufacturing products. JM26 insulation refractory brick can be used as part of the working layer of thermal insulation or non melting. JM26 insulation firebricks have been widely used in the following furnace, achieved satisfactory results. the series products are best Li Ning and insulation in all types of industrial furnaces in the metallurgical field, aluminum, petrochemical, electric power and glass ceramic materials.

Properties of JM26 Insulation Brick

  • Low thermal conductivity,
  • Low heat storage,
  • High alumina, low iron and alkali flux content,
  • Accurate dimension,
  • designed packaging,
  • Thermal shock stability with high strength.

Rongsheng Refractory JM26 Insulation Brick Specifications

Index Model Bulk Density
g/cm3
Reheating linear Change Cold Crushing Strength MPa Modulus of Rapture MPa Thermal Conductivity
350℃ W/(m·K)
Chemical Composition %
Al2O3 SiO2 Fe2O3
JM26 A 0.7 -0.9  1400℃*12h 2.0 1.2 0.21 54 42.5 0.8
B 0.8 -0.7  1400℃*12h 2.5 1.4 0.25 55 41.5 0.8
C 0.9 -0.5  1400℃*12h 2.8 1.6 0.30 56 40.5 0.9
D 1.0 -0.5  1400℃*12h 3.2 1.8 0.32 56 40.5 0.9

Application of JM26 Insulation Brick

JM26 insulation brick is dense shaped refractory materia, with high refractoriness and mechanical behavior under high temperature, JM26 insulation refractory block is the necessary material of high temperature services, mainly used for industrial furnaces and kilns and thermal equipment. Also JM26 insulation firebricks can be used in the following place.

  • Metallurgical Industry: blast furnace, hot blast furnace, heating furnace,
  • Ceramic industry: roller kiln, kiln,
  • Glass industry: glass furnace regenerator,
  • Carbon industry: carbon furnace,
  • Aluminum electrolysis industry: aluminum reduction cell,
  • Other industries: tunnel kiln, shuttle kiln.

Product detail pictures:

China 2021 High quality Magnesia Fire Brick - Low density jm26 light weight mullite thermal brick – Rongsheng factory and manufacturers | Rongsheng detail pictures

China 2021 High quality Magnesia Fire Brick - Low density jm26 light weight mullite thermal brick – Rongsheng factory and manufacturers | Rongsheng detail pictures


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  • The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Prudence from Surabaya - 2017.03.28 16:34
    The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Aurora from South Africa - 2017.06.29 18:55
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