China High Quality for 70 Alumina Fire Brick - Low density jm26 light weight mullite thermal brick – Rongsheng factory and manufacturers | Rongsheng

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Along with the "Client-Oriented" enterprise philosophy, a rigorous high-quality control process, superior production products along with a robust R&D group, we constantly deliver premium quality products, exceptional solutions and aggressive costs for High Temperature Castable Refractory, Acid Refractory Bricks, Carbon Graphite Rod, We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
China High Quality for 70 Alumina 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 High Quality for 70 Alumina Fire Brick - Low density jm26 light weight mullite thermal brick – Rongsheng factory and manufacturers | Rongsheng detail pictures

China High Quality for 70 Alumina Fire Brick - Low density jm26 light weight mullite thermal brick – Rongsheng factory and manufacturers | Rongsheng detail pictures


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We constantly carry out our spirit of ''Innovation bringing advancement, Highly-quality guaranteeing subsistence, Administration selling advantage, Credit rating attracting buyers for China High Quality for 70 Alumina Fire Brick - Low density jm26 light weight mullite thermal brick – Rongsheng factory and manufacturers | Rongsheng , The product will supply to all over the world, such as: Roman, Turin, Estonia, We are always creating new technology to streamline the production, and provide goods with competitive prices and high quality! Customer satisfaction is our priority! You can let us know your idea to develop unique design for your own model to prevent too much similar parts in the market! We will offer our best service to satisfy all your needs! Please contact us right away!
  • A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Erica from New Orleans - 2017.09.29 11:19
    This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
    5 Stars By Elsa from France - 2017.12.19 11:10
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