China 2021 High quality Magnesia Fire Brick - Mullite refractory insulating refractory bricks jm30 – Rongsheng factory and manufacturers | Rongsheng

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We keep on with the basic principle of "quality to start with, support very first, continuous improvement and innovation to meet the customers" for your management and "zero defect, zero complaints" as the quality objective. To great our service, we offer the items with all the superior top quality at the reasonable selling price for Refractory Ceramic Fiber, Alumina Silicate Fire Brick, K26 Insulating Fire Brick, We always regard the technology and prospects as the uppermost. We always function hard to make terrific values for our prospects and give our customers far better products and solutions & solutions.
China 2021 High quality Magnesia 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 2021 High quality Magnesia Fire Brick - Mullite refractory insulating refractory bricks jm30 – Rongsheng factory and manufacturers | Rongsheng detail pictures

China 2021 High quality Magnesia Fire Brick - Mullite refractory insulating refractory bricks jm30 – Rongsheng factory and manufacturers | Rongsheng detail pictures


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"Based on domestic market and expand abroad business" is our enhancement strategy for China 2021 High quality Magnesia Fire Brick - Mullite refractory insulating refractory bricks jm30 – Rongsheng factory and manufacturers | Rongsheng , The product will supply to all over the world, such as: Italy, Estonia, Liverpool, We have sufficient experience in producing products according to samples or drawings. We warmly welcome customers from home and abroad to visit our company, and to cooperate with us for a splendid future together.
  • The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Jenny from Bangkok - 2018.06.26 19:27
    Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Nancy from Nicaragua - 2018.06.26 19:27
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