Checker Brick

1.Good volume stability,

2.Good high-temperature loading creep property,

3.High bulk density,

4.Low apparent porosity,

5.high strength.

Brief Introduction

Checker Brick is a kind of heat-transfer medium, which is mainly used for middle-upper part of regenerative chamber in hot blast stove for thermal storage in the burning period.

Choose the type what you need, or provide the size you need.

$Hot Blast Furnace / Stove High Alumina Refractory Brick Chequer Insulated Fire Brick$

Application

1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln

Technical Datas

High Alumina Checker Firebrick Physical and Chemical Index:
Item		Properties
Item		RS-80	RS-75	RS-65	RS-55	RS-48
Al2O3 (%)		80	≥75	≥65	≥55	≥48
Refractoriness (°C )		≥1790	≥1790	≥1790	≥1770	≥1750
Bulk density (g/cm3)		2.65	2.5	2.45	2.4	2.3
Softening temperature under load (°C )		1530	≥1520	≥1500	≥1470	≥1420
ReheatingLinear Change Rate (%)	1500°CX2H	0.1	0.1	0.1	0.1	0.1
ReheatingLinear Change Rate (%)	1450°CX2H	-0.4	-0.4	-0.4	-0.4	-0.4
Apparent porosity (%)		22	≤23	≤23	≤22	≤22
Cold crushing strength (Mpa)		55	≥50	≥45	≥40	≥35
Application		steel furnace, glass furnace, sodium silicate furnace, ceramic shuttle kiln, cement rotary kiln, blast furnace, electric furnace, blast furnace and reverberatory furnace.