High temperature castables, China High temperature castables Supplier,Factory

High temperature castables

Yixing Yuanwang Metal Material Co., Ltd. [China]

refractory material for boilers 1,good erosion resistance 2,timely delivery 3,,perfect performance 4. High bulk density

refractory material for boilers

Introduction :

High temperature castables: it's made from the mixture of sand, high temperature aggregate, high temperature cement and water, It is used for the hot repair of working layer of stack lower parts and belly.

Characteristics:

1,Good construction liquidity

2,Better cohesiveness and expansibility

3,LT early strength, strength increasing from low to high temperature

4,Good density of construction

5,Storage period to some extent

Application:

Applicable for inside lining production of large scale melting equipments such as Smelting furnace, hot blast heater, heat pipe, etc.

High aluminum Injection material

- used for injection lining repairing after the spelling of refractory lining of blast furnace cooling stave

Carbon silicon-carbon Injection material

- used for injection maintaining of BF tuyeres and cooling plate.

Carbon Injection material

- used for injection maintaining of BF crucible, tap hole, etc.

Carbon Injection material RAP

- used for injection lining repairing of BF shaft, belly of BF, BF bosh, etc.

Items	Index	NO.
		SHF-200		HF-160		HF-135		HF-130
Chemcial composition(%)	Al2O3	>80		>75		>65		>60
	SiO2	<15		<19		<28		<34
Bulk Density(g/cm3)	110°C×24h	3.0		2.8		2.5		2.4
	1000°C×3h	2.9		2.8		2.5		2.4
Modulus of Rupture(Mpa)	110°C×24h	12		10		8.5		7.0
	1000°C×3h	18		15		13		11
Cold Crushing Strength(Mpa)	110°C×24h	120		90		68		50
	1000°C×3h	180		120		95		80
Liner change after buring	1000°C×3h	±0.2		±0.2		±0.3		±0.3
Wear resistance(AMTMc-704)			3.0		5.0		7.0		9.0
Heat Conductivity (W/m.k)			1.6		1.5		1.5		1.5
Thermal shock resistance(times)(1000°C water cooling)			35		30		25		20
Refractoriness °C			1790		1790		1750		1730
Max Working Temperature			1550		1500		1400		1350