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High Strength 2.2～2.4 G/Cm3 Refractory Castable Material Alkali Resistant

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High Strength 2.2～2.4 G/Cm3 Refractory Castable Material Alkali Resistant

$Wholesale High Strength 2.2～2.4 G/Cm3 Refractory Castable Material Alkali Resistant from china suppliers$

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High Strength Alkali Resistant Castable

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Description

The high-strength alkali-resistant refractory castable has good resistance to alkaline gas and slag, and has a long service life. High strength alkali resistant castable is mainly used for lining of other industrial furnaces such as kiln door cover, decomposition furnace, preheater system and pipeline system.

Items		CH-NJZ48	CH-NJZ45
AL2O3/%		48	45
SiO2/ %		50	53
Bulk density (110℃×24h) g/cm3		2.2～2.4	2.2～2.4
Flexural strength/ MPa ≥	110℃×24h	7	8
Flexural strength/ MPa ≥	1100℃×3h	7	8
Compressive strength/ MPa ≥	110℃×24h	60	70
Compressive strength/ MPa ≥	1100℃×3h	60	70
Permanent Linear Change /%(1100℃×3h)		0.4	0.4
Alkali resistance		1～2	1～2
Maximum Service temperature/℃		1300	1350

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