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Refractory Castable

Features

Introduction

Product Details

Items		Heavy Weight Castable				Light Weight Castable
Items		A-90	A-75	A-70	A-40	QA-90	QA-70	QA-60	QA-40
Al₂O₃ %		≥90	≥75	≥70	≥40	≥90	≥70	QA-60	≥40
Refractoriness℃		≥1790	≥1790	≥1750	≥1730	≥1790	≥1790	≥60	≥1700
Bulk Density(g/cm³)		≥2.9	≥2.5	≥2.4	≥2.2	1.2-1.8	0.8-1.6	≥1750	0.6-1.4
Cold Crushing Strength Mpa	110°Cx24h	≥50	≥50	≥50	≥40	5-15	5-15	0.6-1.4	3-13
Cold Crushing Strength Mpa	1500°Cx3h	≥70	≥70	≥70	≥50	8-20	8-20	3-13	6-16
Modulus of Rupture Mpа	110°Cx24h	≥8	≥8	≥6	≥5	-	-	6-16	-
Modulus of Rupture Mpа	1500°Cx3h	≥10	≥10	≥8	1350°cx3h≥6	-	-	-	-
Thremal Conductivity /W.(m.K)(300℃士25°C)		-	-	-	-	0.4-0.6	0.4-0.6	-	0.3-0.5
Permanent Linear Change %	110°Cx4h	-	-	-	-	-	-	0.3-0.5	-
Permanent Linear Change %	1500°Cx3h	±0.5	±0.5	±0.5	1350°Cx3h±0.5	±0.6	±0.6	1450°Cx3h±0.6	1300°Cx3h±0.6
Max service temperature /°C		1700	1600	1500	1400	1700	1600	1400	1300

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