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Refractory JM23 JM26 Mullite Insulating Fire Brick 0.8 Bulk Density Light Weight

China Zhengzhou Rongsheng Refractory Co., Ltd. certification
China Zhengzhou Rongsheng Refractory Co., Ltd. certification
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Refractory JM23 JM26 Mullite Insulating Fire Brick 0.8 Bulk Density Light Weight

Refractory JM23 JM26 Mullite Insulating Fire Brick 0.8 Bulk Density Light Weight
Refractory JM23 JM26 Mullite Insulating Fire Brick 0.8 Bulk Density Light Weight Refractory JM23 JM26 Mullite Insulating Fire Brick 0.8 Bulk Density Light Weight Refractory JM23 JM26 Mullite Insulating Fire Brick 0.8 Bulk Density Light Weight

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Product Details:
Place of Origin: Henan
Brand Name: Rongsheng
Certification: ISO9001、CE
Model Number: YRS
Payment & Shipping Terms:
Minimum Order Quantity: 20 Ton
Price: US $ 300—600 /Ton
Packaging Details: 25kg in a woven bags,then 40 bags in a ton bag or in a wooden pallet. Customized is also ok
Delivery Time: 15 days after payment
Payment Terms: L/C, T/T
Supply Ability: 1000Ton/Month

Refractory JM23 JM26 Mullite Insulating Fire Brick 0.8 Bulk Density Light Weight

Material: Bauxite Chamotte Color: White
Refractoriness: ≥1770 Size: Square
Bulk Density: 2.4-2.7 Al2O3 %: 40-89
High Light:

light weight bricks


insulation fire bricks


Refractory JM23 JM26 Mullite Insulating Fire Brick 0.8 Bulk Density Light Weight



Light Weight Mullite Insulation Brick Description:

The light weight mullite insulation brick is a kind of insulation material adopting organic matter as ignition loss substance in order to increase the porosity of refractory, which has such advantages as high porosity, small volume density, good insulation effect, high mechanical intensity, small thermal conductivity and long service life. For various industrial kilns & furnaces, it is a kind of essential refractory for energy saving and temperature preservation




JM23 JM26 JM28 JM30
Max Temperature ( C) 1260 1460 1540 1700
Bulk Density (g/cm3) 0.55-0.60 0.8 0.89 1.03
Cold Crushing Strength (Mpa) 1.2 1.6 2.1 2.5
Modulus of Rupture (Mpa) 0.9 1.4 1.6 2.1

Reheating Linear Change (%)

CT -30 °CX 8H

1230 °C


1400 °C


1510 °C


1620 °C


Thermal Expansion

1100 °C( % )








Thermal conductivity (W/m.k ) 400 °C 0.14 0.27 0.32 0.41
  600 °C 0.16 0.29 0.34 0.43
  800 °C 0.18 0.31 0.36 0.44
  1000 °C 0.20 0.33 0.38 0.45
Al2O3 % 37 50 64 72
Fe2O3 % 1.0 1.0 1.0 0.5

Light Weight Brick Feature:

1. Low bulk density, low thermal conductivity, good thermal insulation performance.
2. Refractory category allow direct contact of fire, suitable ofr various atmosphere
3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely
4. Product specification: standard form, normal standard, shaped and special shaped bricks.
5. Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the most widely used.

Light Weight Mullite Insulation Brick Applications:

1. Furnaces of metallurgy industry, heat treatment furnace
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace
Standard sizing: 230 x 114 x 65 mm others up to the client

Competitive Advantage:

1.Competitive Price. Make the products competitive in your market.

2.Abundant Experience. Prevent cracks and twist in bricks.

3.Different Moulds. Save mould fees for you.

4.Strict Quality Control. Meet clients’ quality requirement.

5.Large stocks. Guarantee prompt delivery.

6.Professional Packing. Avoid damage and secure the goods in transportatio



Our Process Quality Control:

Starting from the raw material into factory, Every production process of our product should through strict quality control, In addition to rigorous process control, our quality control team inspects the output of each process to ensure material quality and consistency. We do our best to supply the products with best quality to satisfy our customers.

Our Services

There are 240 staffs in Rongsheng Company, of which 12 is senior professional technician. Annual production capacity is up to 60000 tons. There are light and heavy weight materials production lines and all kinds of complete production, testing and check equipment, of which there are 10 series shaped press machine that from 400 tons to 1000 tons and two hyperthermia tunnel kilns whose length are 148m and 118m.


Rongsheng Refractory has established complete quality system and conducted quality control through the whole staff and process that from raw materials, production, check and various parts strictly according to ISO9001 standard and with the professional checker at each level to take good product and service as the top goal.



Send inquiry here to get more information about your interest!!!


Packaging & Shipping
1.Strong packing will protect the goods from any possible damage during transit.

2.Solid packing and overall stuffing can prevent the cases from vibration and jarring.

3.We must take necessary precaution that the packing can protect goods from pilferage or rain.

4.We can confirm that we take every possible precaution to ensure that our products reach our
customers all over the world in prime conditon.




Why Choose Us


Give us One minute, just one minute ,you can Eliminate your doubts and witness we maintain anAttitude of high seriousness and professional to solve your problems.


No.1: We are Manufacturer of refrcatory materials, so we can provide you Professional Solutions about your problems. Although our salesman cannot reply you immediately, pls leave your email or phone number, we can let our technician directly help you ASAP.


No. 2: Our Reputation built in the past years through: Russia, Iran, Vietnam and India, etc. You can always get Feedback from our customer in these countries before dealing with us.


No. 3: We have good Connection with Shipping Company, Agency, as well as the local custom and port authority. Making sure we Deliver on time.


No. 4: We have no gap in Communication, because we will help you in our Sincere Attitude.


No. 5: We can provide you the best price, and what you will get from us is our best effort in service and the hospitality that you are willing to become our Friend.

So choosing us is the right choice for you.If you are interested in our products or if you have any question, pls feel free to contact us at any time. We will reply as soon as possible.


Customer Visit

Rongsheng Refractory has professional sales and after-sale service team who provide customers all-around service about product application, construction installation and operation technology training etc. Now we have established cooperation relationship with many science and research unit and our products have been sold to Japan, Indonesia, Iran, Kazakhstan and Vietnam etc.



Q1: Is your Zhengzhou Rongsheng Refractory a manufacturer or trader?
A1: Manufacturer, some time we help our clients to purchase relevant products as a trader.

Q2: What’s the MOQ?
A2. No limitation.

Q3: Can we visit your factory?
A3: Of course ,welcome at any time,seeing is believing

Q4: What’s your payment terms?
A4: Negotiation

Q5: Is your company accept customization?
A5: Professional technology teams and engineers all can satisfy you.

Q6: How do you guarantee quality?
A6: For every production processing,we have complete QC system for the chemical composition and Physical properties.After production,all the goods will be tested ,and the quality certificate will be shipped along with goods.

Q7: What’s the proportion of abroad business?
A7: Abroad market around 35%; Domestic market around 65%; and now export proportion is increasing.

Q8: Does your Zhengzhou Rongsheng Refractory provide turn-key projects?
A8: Yes, we already finished several turn-key projects at home and abroad.

Q9: Does your Zhengzhou Ronghseng Refractory supply samples?
A9: Yes, we can supply samples for free, and the freight will be undertaken by clients.



Contact Details
Zhengzhou Rongsheng Refractory Co., Ltd.

Contact Person: Mr. Pika

Tel: 86-13838387996

Fax: 86-0371-86555658

Send your inquiry directly to us (0 / 3000)