Horizon Exports

Refractory

	Refractory Castables, Mortar, Insulation Castables

$Refractory Castables, Mortar, Insulation Castables$

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We supply Dense Alumina & Light Weight Insulation Castables and Mortar. Below are the general grades we supply. Customised specifications and packaging can be worked out on request.

Alumina Castables

TYPE	HE-CAST-A	HE-CAST-K	HE-CAST-C	HE-CRETE	HE-CRETE SUPER	HE-SET-50	HE-SET-50 (FINE)
Service Temperature	1750˚C	1600˚C	1500˚C	1400˚C	1450˚C	1550˚C	1500˚C
Al₂O₃	90	60	50	40	70	50	50
Fe²O₃	0.8	1.0	1.5	3.0	4.5	4	4
Grain size	0 - 5	0 - 5	0 - 5	0 - 5	0 - 5	0 – 1.5	0 - 0.5
PLC %	±1 @ 1550˚C for 2 hrs	±1 @ 1550˚C for 2 hrs	±1 @ 1550˚C for 2 hrs	±1 @ 1400˚C for 2 hrs	±1 @ 1400˚C for 2 hrs	-	-
CCS kg/cm² at 100^oC	550	350	350	300	350	-	-
PCE OC	36	32	32	26	30	32	32
Remarks/Use	Special castable for vaccum de-gassing snorkel lead, induction furnance, glass tank, buring zone in reducing atmosphere.	Resistant to siag & thermal shock, good strength and volume stability for special application & reducing atmosphere.	General purpose castable volume stable, Can be used NH 3 plant, reheating furnace, roof, hearth, burner block, pipe & Indle	High strength, volume stable, castable used in cement kiln, door arches boilers & burner block	Superior castable for better application in areas mentioned against Mono Crete Super.	General pupose Air-Setting mortar.	General pupose Air-Setting mortar.

Insulation Castables

HE-lyte (Medium Iron)	7	9	9 HS	11	13	15
Service Temperature	1100˚C	1100˚C	1100˚C	1350˚C	1350˚C	1350˚C
Dry Density (kg/m³)	750-850	900-1000	900-1000	1100-1250	1300-1450	1500-1600
Thermal Conductivity (K Cal/m/hr/^oC)	0.14	0.28	0.26	0.31	0.33	0.44
CCS (kg/cm²) 110^oC 800^oC 1100^oC 1300^oC	12-14 4-6 6-8 -	15-20 6-8 10-14 -	20-25 8-10 15-20 -	35-45 25-30 25-30 40-45	50-60 30-40 30-40 50-70	90-100 60-70 60-70 70-90
PLC (%) 110^oC 500^oC 800^oC 1100^oC 1300^oC	- - ±1.0 ±1.6 -	- ±0.2 ±0.6 ±1.0 -	- - - ±1.5 -	- - - ±0.2 ±1.0	- - - ±0.2 ±0.6	- - - ±0.2 ±0.6
Fe₂O₃ %	8.5	6.0	3.0	3.5	3.5	3.2

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