Anti-Carburizing Brick

Product Introduction：
Selecting high quality clay,flint aud high purity Heat-insulating raw matcrials to grind slurry , molding By casting and extrusion, high-temperature sintering.

Product Highlights:
- Low content of impurities
- Nice chemical stability
- Small reheating linear change
- Accurate size
- Convenient for construction
 
Application:
Wall and lining thermal insulation material of various thermal treatment furnace, carburizing furnace, nitriding furnace and other industrial furnaces.

Technical Data:
 

Main Physical and Chemical Properties
Grand   Properties	Anti-permeability carbon brick
	KST0.6	KST0.8	KST1.0	KST2.0	KST2.5
Bulk Density （g/cm3）	0.6	0.8	1.0	2.0	2.5
Cold Crushing Strength（Mpa）	2.0	3.0	4.0	25	35
Reheat  linear  change（%） (℃×12h)	(1250) 0.5	(1300) 0.4	(1300) 0.4	(1300) 0.2	(1300) 0.2
Thermal  conductivity（w/m.k） (350±20℃)	0.25	0.35	0.45	1.6	—
Max Service Temperature （℃）	1250	1300	1350	1350	1350
Refractoriness  Under  Load（℃）	1280	1350	1400	1400	1400
Al2O3（%）	42	46	48	50	56
SiO2（%）	56	52	50	48	42
Fe2O3（%）	0.7	0.7	0.7	0.7	0.7

 
 

Main Physical and Chemical Properties
Grand  Properties	Anti-permeability carbon brick
	KST-05	KST-08	KST-10	KST-20
Bulk Density （g/cm³）	0.5	0.8	1.0	20
Cold Crushing Strength（Mpa）	1.3	3.0	4.0	25.0
Reheat  linear  change（%） (℃×12h)	200Cx12 -0.6	1300℃x12h -0.4	1300℃x12 -0.4	1350℃x12h   -0.2
Thermal  conductivity（w/m.k） (350±20℃)	0.18	0.35	0.45	1.60
Max Service Temperature （℃）	1250	1300	1350	1350
Al2O3（≥%）	42	48	48	50
Fe2O3（≤%）	0.8	0.7	0.6	0.6