HR WHYTE FAMILY

Brand Name: – HR WHYTE A BFA BASED HR WHYTE A BAUXITE BASED HR WHYTE A SUPER HR WHYTE A HS HR WHYTE A SP
Type 90% Alumina Dense Castable 85% Alumina Dense Castable 90% Alumina Dense Castable

Super Strength

88% Alumina Dense Castable High Strength Spinel Added High Alumina Dense Castable
Nature of Bond Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic
Installation Vibration Casting Vibration Casting/Patching Vibration Casting Vibration Casting Vibration Casting
Raw Material Base Brown Fused Alumina Low Ferric Bauxite Brown Fused Alumina Brown Fused Alumina HAA 86, CAC 75 , Spinel 78
Max Service Temp. 1750°C 1700°C 1750°C 1700°C 1700°C
Max Grain Size 5 mm 4 mm 5 mm 5 mm 5 mm
Water Required for Casting 8.0-9.0% 10.0-11.0% 8.0-9.0% 8.0-9.0% 9.0-11.0%
Chemical Analyses: –      (%) Typical Specification Typical Specification Typical Specification Typical Specification Typical Specification
Al2O3     : 90.30 90.0 Min 85.50 85.0 Min 90.30 90.0 Min 88.40 88.0 Min 84.50 84.0 Min
Fe2O3   : 0.50 0.8 Max 1.80 2.0 Max 0.50 0.8 Max 0.70 0.8 Max 1.70 1.8 Max
CaO      : 4.50 5.40 4.70 5.60 5.40
Physical Properties: –
B. D (gm/cc)

Drying at 110°C/24 hrs.

2.80 2.75 Min 2.65 2.60 Min 2.92 2.85 Min 2.78 2.75 Min 2.72 2.70 Min
Cold Crushing Strength (Kg/cm2):
Drying at 110°C/24 hrs. 650 600 Min 650 600 Min 910 850 Min 680 650 Min 550 530 Min
Fired at 800°C/3hrs. 435 380 700 450
Fired at 1100°C/3hrs. 350 310 450 400 280
Fired at 1550°C/3hrs. 680 650 710 700 550
Thermal Properties: –
Refractoriness, Orton / 0 C +37/+1820 37/1820 Min +36 36/1804 Min +37/+1820 37/1820 Min +36 36/1804 Min +36 36/1804 Min
PLC (%)   
Fired at 800°C/3hrs. – 0.05 – 0.02 – 0.05 – 0.05
Fired at 1100°C/3hrs. – 0.10 – 0.06 ± 0.20 – 0.10 ± 0.20 – 0.10 – 0.10 ± 0.30
Fired at 1550°C/3hrs. – 0.75 ± 0.80 Max – 1.20 ± 1.50 Max – 0.60 ± 0.60 Max – 0.80 ± 1.00 Max – 0.90 ± 1.00 Max
Water requirements indicated are based on laboratory test conditions. Actual water requirement may vary subject to site conditions. The properties shown are for vibratory cast material only unless specified otherwise. All values are based on test results on standard bars of size 160x40x40 mm. Test methods are guided by and based on various Indian Standards (IS).

 

 

Brand Name: – HR CAST 94 W HR CAST 97 W HR  95 HPM HR GUN 45 HR GUN 55
Type 94% Alumina Dense Castable (High Strength) 97% Alumina Dense Castable 95% Alumina High Purity  Dense Castable 45% Alumina Gunning Mass 50-55% Alumina Low Cement Gunning Mass
Nature of Bond Hydraulic Hydraulic Hydraulic Hydraulic Hydraulic
Installation Vibration Casting Vibration Casting Vibration Casting/Trowelling Gunning Gunning
Raw Material Base White Tabular Alumina White Tabular Alumina White Tabular Alumina Calcined Clay Calcined Clay
Max Service Temp. 1800°C 1850°C 1750°C 1450°C 1550°C
Max Grain Size 5 mm 5 mm 5 mm 6 mm 6 mm
Water Required for Casting 8.5-9.5% 8.5-9.5% 8.5-9.5% 12-14% (As per Nozzle) 7-8% (As per Nozzle)
Chemical Analyses: –      (%) Typical Specification Typical Specification Typical Specification Typical Specification Typical Specification
Al2O3     : 94.20 94.0 Min 96.20 96.0 Min 95.21 94.0 Min 45.60 45.0 Min 52.80 52.0 Min
Fe2O3   : 0.20 0.3 Max 0.20 0.3 Max 0.20 0.5 Max 1.80 2.0 Max 0.72 1.0 Max
CaO      : 4.50 5.0 Max 2.7 2.8 Max 2.90 3.10 Max 9.30 3.30
Physical Properties: –
B. D (gm/cc)

Drying at 110°C/24 hrs.

2.84 2.80 Min 2.83 2.80 Min 2.86 2.80 Min 2.10 2.00 Min 2.32 2.25 Min
Cold Crushing Strength (Kg/cm2):
Drying at 110°C/24 hrs. 660 600 Min 450 400 Min 340 300 Min 200 150 Min 550 400 Min
Fired at 800°C/3hrs. 480 450 Min 300 280 Min 255 400
Fired at 1100°C/3hrs. 450 400 Min 275 250 Min 195 150 350
Fired at 1550°C/3hrs. 750 700 Min 425 400 Min 510

@1650 0C

300 200 min @ 1400 0C 400 350 Min
Thermal Properties: –
Refractoriness, Orton / 0 C +38/+1835 38/1835 Min +38/+1835 38/1835 Min +38/+1835 38/1835 Min 32 / 1717 31 / 1683Min. +32 32/1717 Min
PLC (%)   
Fired at 800°C/3hrs. – 0.06 – 0.06 – 0.06 – 0.06
Fired at 1100°C/3hrs. – 0.12 – 0.12 – 0.12 – 0.09 – 0.12
Fired at 1550°C/3hrs. – 0.25 ± 0.50 Max – 0.40 ± 0.80 Max – 0.40 ± 1.00  Max   @1650 0C – 0.70 ± 1.00   Max @1400 0C – 0.95 ± 1.50 Max
Water requirements indicated are based on laboratory test conditions. Actual water requirement may vary subject to site conditions. The properties shown are for vibratory cast material only unless specified otherwise. All values are based on test results on standard bars of size 160x40x40 mm. Test methods are guided by and based on various Indian Standards (IS).