Best Price Jm23 Jm26 Jm28 Mullite Bricks Industrial Kiln K23 K26 Insulating Fire Brick

• Refractoriness (℃): 1580< Refractoriness< 1770
• Feature: Long Time Materials
• Type: Refractory Material
• Shape: Brick
• Material: Mullite
• Product Name: Mullite Insulation Birck
• Model NO.: JM23 JM26 JM28 JM30 JM32
• Model Number: Jm23 Jm26 Jm28 Jm30 Jm32 Brick
• Al2O3(%): 80
• Refractoriness Under Load 0.2MPa(°c): >1450
• Keyword: Insulating Fire Brick
• Certificate: ISO,CE
• Transport Package: Wooden Box
• Specification: Customizable
• Trademark: RSNC
• Origin: China
• HS Code: 6902200000
• Production Capacity: 10000t/Year

Product Description

Best price jm23 jm26 jm28 mullite bricks industrial kiln k23 k26 insulating fire brick

Product Description

Performance and application of mullite insulation brick:

The refractoriness is high, can reach to more than 1790 degrees centigrade. The RUL is 1600~1700 degrees C. The compressive strength at normal temperature is 70 ~ 260MPa. The thermal shock resistance is good. There are two kinds of mullite bricks: sinterted mullite and fused mullite brick.

The Characteristics of Mullite Insulation Brick:

The main material of sintered mullite brick is high alumina bauxite as the main raw material, adding a small amount of clay or raw bauxite as binder, it is made by molding and sintering. Fused mullite brick with high bauxite, commercial alumina and refractory clay as raw material, adding charcoal or coke fines as a reducing agent, after molding, can adopt the reduction electrofusion method to manufacture. The crystallization of the electric cast mullite is larger than that of the sintered mullite, and the thermal shock resistance is better than that of the sintered product. Their high temperature performance mainly depends on the content of alumina  oxide and the uniformity of the distribution of mullite and glass.

Product Application

Application of Mullite Insualtion Bricks:

Mullite insulation bricks mainly used for hot blast stove of blast furnace and furnace bottom and furnace, glass furnace regenerator, sintering kiln, petroleum cracking dead lining system.

Product Parameters

Mullite Insulation Brick Specification:

Mullite Insulation Brick
Item/Index		JM23	JM26	JM28	JM30	JM32
Al2O3 %		37	54	64	72	77
Fe2O3 %		1.0	0.9	0.8	0.7	0.5
Thermal Conductivity (w/m*k)	400ºC	0.14	0.27	0.32	0.41	0.49
	600ºC	0.16	0.29	0.34	0.43	0.5
	800ºC	0.18	0.31	0.36	0.44	0.51
	1000ºC	0.20	0.33	0.38	0.45	0.53
Classification Temperature (ºC)		1260	1430	1540	1650	1760
Thermal Expansion 1000ºC (%)		0.5	0.7	0.8	0.9	1.1
Bulk Density (g/cm3)		0.55-0.62	0.78-0.8	0.88	1.03	1.25
Cold Crushing Strength (Mpa)		1.2	1.6	2.1	2.5	3.5
Modulus of Rupture (Mpa)		0.9	1.4	1.6	2.1	2.1
Reheating Linear Change (%) CT-30ºC*8H		1230ºC -0.5	1400ºC -0.5	1510ºC -0.5	1620ºC -0.9	1730ºC -0.9

Packaging & Shipping

Packaging : Packed by sea-worthy wooden pallet + shrink wrapped + carton 

For example, Standard size of mullite brick : 230x114x65mm Shipping : 384pcs/plt x 18plts in one 20 feet container;

Company Profile

ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED has 30 years of experience in R & D and design of unshape refractory experts, holds 20 utility model patents and 7 invention patents, and has passed the ISO quality, environment and safety management system certification. The company is committed to the R & D, production and service of refractories used in metallurgy, electric power, nonferrous metals, building materials, chemical industry and other industries. Its products cover 198 kinds of materials and 2369 varieties in three categories (acidic, neutral and alkaline), providing overall solutions for refractories for 1200 domestic and 200 foreign customers.

Rongsheng holds the third-level qualification certificate of metallurgical general contracting for furnace construction, the second-level anti-corrosion insulation qualification certificate, the quality management system ISO 9001 certification, 14001 certification, 45001 certification, 18001 certification and AAA-level credit enterprise certification. 25 Years of experience, more than 2,000 furnace cases around the world, and a team that can execute more than 20 furnace construction projects at the same time.