China Low price for Alumina Fire Brick - Mullite refractory insulating refractory bricks jm30 – Rongsheng factory and manufacturers | Rongsheng

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We have state-of-the-art tools. Our products are exported towards the USA, the UK and so on, enjoying a fantastic reputation amongst customers for Activated Carbon Electrode, High Temperature Fire Brick, Casting Refractory Cement, We, with fantastic passion and faithfulness, are willing to offer you with best services and striding forward with you to make a bright foreseeable future.
China Low price for Alumina Fire Brick - Mullite refractory insulating refractory bricks jm30 – Rongsheng factory and manufacturers | Rongsheng Detail:

JM30 Insulation Brick Description

JM30 insulation firebrick is made from high purity refractory clays with gradually increasing aluminum oxide content and are carefully saturated with organic filling, which then burns out during the production process, resulting in a homogeneous, controlled porous structure. To achieve required tolerance, all six walls of each brick are mechanically processed.

Properties of JM30 Insulation Brick

  • Excellent compression strength,
  • Excellent heat stability,
  • Low thermal conductivity,
  • Low heat storage,
  • Thermal shock stability with high strength.

Rongsheng Refractory JM30 Insulation Brick Specifications

Index Model Bulk Densityg/cm3 Reheating linear Change Cold Crushing Strength MPa Modulus of Rapture MPa Thermal Conductivity
350℃ W/(m·K)
Chemical Composition %
Al2O3 SiO2 Fe2O3
JM30 A 1.0 -0.8  1400℃*12h 3.0 1.8 0.40 72 26 0.5
B 1.1 -0.7  1400℃*12h 3.5 1.9 0.43 72 26 0.5

Application of JM30 Insulation Brick

JM30 insulation fire brick is widely used as the first layer of a refractory lining or as back insulating layer behind all other refractory layers in furnaces, bakes, fire channels, refining chambers and heat furnaces, regenerators, gas production plants and conduits, intended furnaces, stressrelieving furnaces, reactor chambers and similar high-temperature industrial devices.

JM30 Insulation Brick Manufacturer from RS Refractory Factory

RS refractory factory is a professional JM30 insulation refractory brick supplier that established in the early 90s of twenty century. RS refractory factory has specialized in JM30 insulation fire brick for more than 20 years. if you have some demand of JM30 insulation firebricks, or have some questions on JM30 insulation refractory block about physical and chemical indicators, please contact us for free.


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China Low price for Alumina Fire Brick - Mullite refractory insulating refractory bricks jm30 – Rongsheng factory and manufacturers | Rongsheng detail pictures

China Low price for Alumina Fire Brick - Mullite refractory insulating refractory bricks jm30 – Rongsheng factory and manufacturers | Rongsheng detail pictures


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Our rewards are reduce selling prices,dynamic revenue team,specialized QC,sturdy factories,superior quality services for China Low price for Alumina Fire Brick - Mullite refractory insulating refractory bricks jm30 – Rongsheng factory and manufacturers | Rongsheng , The product will supply to all over the world, such as: Benin, Vancouver, Ukraine, With high quality, reasonable price, on-time delivery and customized & customized services to help customers achieve their goals successfully, our company has got praise in both domestic and foreign markets. Buyers are welcome to contact us.
  • Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!
    5 Stars By Eudora from Azerbaijan - 2017.12.19 11:10
    High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
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