Corundum quality wear-resisting refractory castable

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Quality corundum wear-resisting refractory castable
Wearable corundum refractory castable uses aggregate of fused cast white corundum, compact fused corundum and brown corundum or vice white corundum, mixed with superfine powder, lt high efficient water reducing agent. It has the features of good fluidity and being convenient for construction. It is an ideal high temp and wears proof lining material of some thermal equipment such as circulation bed boiler and rotary kiln.
Features:
1. High strength at both low and high temp;
2. Excellent wear resistance;
3. Thermal shock resistance,;
4. Anti-peeling off capability;
5. Stable volume at high temperature, long service life.

Brands Items		DNMJ-90	DNMJ-85	DNMJ-80
Brands Items		DNMJ-90	DNMJ-85	DNMJ-80
Al₂O₃% not less than		90	85	55
Fe₂O₃ % not more than		0.2	0.5	6.0
PLC 1450℃×2h %		±0.1	±0.1	±0.1
BD (g/cm³) not less than		3.1～3.15	3.0～3.1	2.9～3.0
AP % not more than		18	19	20
TC W/m.k not more than		1.8	1.8	1.5
Refractoriness ℃ not less than		1790	1790	1770
CCS Mpa not less than	110℃×24h After drying	100	80	70
	1000℃×3h After burning	120	100	90
	1500℃×3h After burning	150	120	100
MOR Mpa not less than	110℃×24h After drying	14	12	11
	1000℃×3h After burning	16	15	12
	1500℃×3h After burning	20	18	15
TSR(1100℃ water-cooling) not less than				25
CC not less than		5	5.5	6

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