trough castables for the blast furnace

1,used in Iron ditch, slag ditch, residue iron ditch 2, good quality

One, performance index:

Grade		JF-GJA
Maximum service temperature		1600°C
Chemical composition	Al2O3	≥64%
	SiC	≥15%
	F.C	4%
Volume density	110°C×24h	≥2.75g/cm
	1450°C×2h	≥2.70g/cm
Linear change rate(1450°C×2h)		±0.3%
Flexural strength	110°C×24h	≥2.5Mpa
	1450°C×2h	≥4.5Mpa

two, the matters needing attention:

1 the castable to bake for 4 hours, only applies to more than two large and medium-sized blast furnace taphole.

2,within one week ,should be used within the material, such as the use of dry hair, can be mixed with water, does not affect the use of performance.

trough castables for the blast furnace