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Rongsheng Factory Hot Sale Excellent Quality Alumina Checker Brick With Very Good Thermal Shock Resista

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Rongsheng Factory Hot Sale Excellent Quality Alumina Checker Brick With Very Good Thermal Shock Resista

Country/Region	china
City & Province	zhengzhou henan
Categories	Refractory

Product Details

Description of Rongsheng Factory Hot Sale Excellent Quality Alumina Checker Brick With Very Good Thermal Shock Resista

Checker bricks, also known as chequer bricks or grid bricks, are a type of refractory brick used in high-temperature industrial applications. They are characterized by their unique checkerboard-like pattern, consisting of alternating raised and recessed squares or rectangles.

The design of checker bricks serves to increase their surface area, which enhances their insulating properties and makes them well-suited for environments with extreme heat. This unique structure allows checker bricks to withstand high temperatures and provide excellent resistance to thermal shock.

Checker bricks are commonly used in industries such as steelmaking, glassmaking, and ceramics production, where they are exposed to intense heat in furnaces, kilns, and other high-temperature equipment.

Overall, checker bricks play a crucial role in maintaining the structural integrity and thermal efficiency of industrial installations operating under extreme heat conditions. They are an essential component in various industrial processes that require reliable and durable refractory materials.

Product Specification of Rongsheng Factory Hot Sale Excellent Quality Alumina Checker Brick With Very Good Thermal Shock Resistance

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