Fireclay Insulating Brick

Characteristics For Fireclay Insulating Brick:
1. Low thermal conductivity;
2. High strength and resistance to corrosion;
3. Low heat capacity;
4. Low shrinkage after heavy firing;
5. High insulation;
6. High refractoriness;
7. Low density;
8. Good thermal shock resistance under high temperature;
9. Thermal insulation energy-saving effect is good.
Specification

Index	Item
N-1	N-2a	N-2b	N-3a	N-3b	N-4	N-5	N-6
Refractoriness, CN	176	174	174	172	172	170	166	158
Refractoriness under load ,°C 2kg/cm2≥	1400	1350		1320		1300
Reheating linear change%	1400°C,2h	+0.1 -0.4	+0.1 -0.5	+0.2 -0.5
1350°C,2h				+0.2 -0.5	+0.2 -0.5	+0.2 -0.5	+0.2 -0.5
Apparent porosity,%≤	22	24	26	24	26	24	26	28
Compress strength,N/mm2≥	30	25	20	20	15	20	15	15
Thermal shock resistance	N-2b,N-3b must be tested and list the actual measuring data in the quality certification

Common sizes

Straight type	Arch type	Wedge type
L×W×H (mm) 230×114×65 230×114×75 230×114×32 220×110×60 220×110×50 220×110×40 220×110×30	L×W×H/h (mm) 230×114×65/55 230×114×65/45 230×114×65/59 220×110×65/50 220×110×75/65 220×110×60/40	L×W×H/h (mm) 230×114×65/55 230×114×65/45 220×110×75/65 220×110×60/40
Other sizes according to customer requirements

Typical 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

Country: China (Mainland)
Business Type: Trading company
Market: all over the world
Founded Year: 2011
Address: International Enterprises Center, No. 72, Nongye Rd., Jinshui District, Zhengzhou, Henan, China
Contact: Refractory JK