Alkali-resistant And Wear-resistant Castable (Silicon Carbide Castable Series)

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Alkali-resistant And Wear-resistant Castable (Silicon Carbide Castable Series)


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CASTIX

insulation refractory High temperature high refractoriness refractory materials Alkali-resistant Wear-resistant Silicon Carbide

Product Description

Alkali-resistant and wear-resistant castable is a refractory castable formulated with corundum and silicon carbide. It features high thermal conductivity, excellent thermal shock resistance, strong resistance to alkaline slag corrosion, high hot strength, and outstanding wear resistance.

Application

This product is suitable for industrial furnaces operating in environments with high-temperature alkaline atmospheres, severe gas erosion, and frequent temperature fluctuations.

Parameter Control

Index		Unit	Alkali-resistant and wear-resistant castable
Index		Unit	CTAR65	CTAR70	CTAR20
Al₂O₃		%	Al2O₂+SiC≥65	Al2O₂+SiC≥70	≥20
SiC		%	Al2O₂+SiC≥65	Al2O₂+SiC≥70	≥65
Fe₂O₃		%	≤1.0	≤1.0	≤0.5
Bulk density		g/cm³	≥2.45	≥2.55	≥2.70
Apparent porosity		%	≤15	≤14	≤14
Cold Rupture strength	110℃*24h	MPa	≥7	≥7	≥12
Cold Rupture strength	1100℃*3h	MPa	≥8	≥8	≥20
Cold crushing strength	110℃*24h	MPa	≥70	≥70	≥120
Cold crushing strength	1100℃*3h	MPa	≥80	≥80	≥150
Reheating linear change	1100℃*3h	%	±0.3	±0.3	±0.3
Recommended Maximum Service Temperature		℃	1350	1350	1350
Application Method		casting