Rongsheng Refractory Mullite Lightweight Insulating Brick

• Refractoriness (℃): 1580< Refractoriness< 1770
• Feature: Long Time Materials
• Type: Refractory Material
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Jm23 Jm26 Jm28 Jm30
• Shape: Brick
• Material: Mullite
• Transport Package: Wooden Box
• Specification: Customizable
• Trademark: RSNC
• Origin: China
• Production Capacity: 10000t/Year

Product Description

Performance and application of Mullite Lightweight Insulating 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 Lightweight Insulating 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.

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

Application of Mullite Insualtion 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.

Production Process






Product Application

Packing & Delivery

 

Packaging : Packed by sea-worthy wooden pallet + shrink wrapped + carton For example, Standard size of Fireclay brick : 230x114x65mm Shipping : 384pcs/plt x 18plts in one 20 feet container;
 

Company Profie

 

RS Refractories Co., Ltd. is located in Henan, China. Our company has professional scientific and technical personnel and production team, and we have our own fully automated factories. For more than ten years, we have focused on the development and innovation of refractory materials and high-temperature furnace technology, and strive to provide customers with comprehensive, personalized and cost-effective services with high-quality products. Our products are widely used in electric power, metallurgy, petrochemical and other fields, and are exported to more than 70 countries and regions in the world such as Europe, America, Oceania, Southeast Asia, and the Middle East.

RS Refractories Co., Ltd. is a first-class supplier of refractory materials, we can provide you with the most advantageous quotations and products. Looking forward to be your partner!

 

Certifications

 

FAQ

 

Q1. Are you Manufacturer?
A: Yes, of course, our factory is in Xinmi,zhengzhou city,Henan province.
 

Q2. Can we visit your company?
A: Sure,welcome at any time,seeing is believing.

Q3. Do you accept OEM?
A: Yes, we can do OEM.

Q4. What's the MOQ of trial order?
A: No limit,We can offer the best suggestions and solutions according to your condition.

Q5. What are the payment terms?
A: Usually T/T,but L/C,Western Union etc are available for us.

Q6. How long is delivery time?
A: The delivery time will be determined according to the quantity of the order.

Q7. How are your products' quality?
A: The products will be strictly inspected before shipment, so the quality could be guaranteed.

Q8. How to solve the quality problems?
A: If the products are not confirmed to customer samples or have quality problems,our company will be responsible to make compensation for it.

Q9. What is the service life of your bricks?
A: The service life of different bricks is unlike.It also depends on your using condition and method.

Q10.How about your company's certification?
A: ISO9001 and Test Report,also we could apply other necessary certification.