Castables

SPECIFICATON OF CASTABLES

PARTICULARS VRCAST
A
VRCAST
K
VRCAST
C
VRCRETE
SUPER
VRCRETE
Normal
VRCAST
94
VRCAST
97
VRSET-50
FINE
GENERAL PROPERTIES
Service Temp. °C (Max) 1750 1600 1500 1450 1400 1800 1850 1500
Grain Size mm (Max) 5.0 5.0 5.0 5.0 5.0 5.0 5.0 0.5
Water Required For Casting (%) 7.5-8.5 9.5-10.5 9.5.10.5 10-11 10.5-11.5 8.5-9.5 8.5-9.5 8.5-9.5
CHEMICAL PROPERTIES
Al2O3(Min.) 90 60 50 70 45 94 96 50
Fe2O3(Max.) 0.8 1.0 1.30 5.0 4.0 0.3 0.3 4.0
PHYSICAL PROPERTIES
Bulk Density (gm/cc)
(Dried at 110 °C for 24 hrs.) (Min.)
2.75 2.20 2.10 2.50 2.10 2.80 2.80 -
Cold Crushing Strength (kg/cm2) 110°C 600 350 350 350 250 600 400 -
THERMAL PROPERTIES
Refractoriness
Under Load °C (Min.)
1820 1683 1665 1683 1564 1835 1835 1835
Permanent Linear Change (%) ±1.00 ±1.50 ±1.00 ±1.00 ±1.00 ±0.50 ±0.80 -

NOTE: We can Manufacture and supply any related product as per customers specification.


INSULATING CASTABLES

PARTICULARS VRLYTE
4
VRLYTE
7
VRLYTE
9
VRLYTE
11
VRLYTE
13
VRLYTE
15
GENERAL PROPERTIES
Service Temp. °C (Max) 1000 1100 1200 1300 1350 1350
Grain Size mm (Max) 6.0 6.0 6.0 6.0 6.0 6.0
Water Required For Casting (%) 80-100 60-65 38-43 39-34 26-31 23-28
CHEMICAL PROPERTIES
Fe2O3(Max.) 11.00 8.50 6.00 3.50 3.50 3.20
PHYSICAL PROPERTIES
Bulk Density (gm/cc)
(Dried at 110°C for 24 hrs.) (Min.)
550 850 1000 1250 1450 1600
Cold Crushing Strength (kg/cm2) 110°C 4 12 15 35 50 90
800°C 2 4 5 25 30 60
1000°C - 6 10 25 30 60
THERMAL PROPERTIES
Refractoriness
Under Load °C (Min.)
- 1340 1400 1400 1400 1430
Permanent Linear Change (%)
800°C
±0.40 ±0.80 ±0.60 - - -
1100°C ±0.60 ±1.20 - ±0.20 ±0.20 ±0.20
1300°C - - - ±1.00 ±0.80 ±1.00

MOROTARS

PARTICULARS Al2O3(%) Fe2O3(%) PCE
Orton Cone °C
Service Temp (°C) Application Area
VR Mortar IS-6 22.0 2.5 20/1564 1350 For laying of 30% Al2O3 bricks
VR Mortar-40 38.0 2.8 31/1683 1450 For laying of 40% Al2O3 bricks
VR Mortar-50 48.0 3.0 32/1717 1500 For laying of 50% Al2O3 bricks
VR Mortar-60 55.0 3.5 33/1743 1550 For laying of 60% Al2O3 bricks
VR Mortar-70 65.0 3.5 34/1763 1600 For laying of 70% Al2O3 bricks
VR Mortar-80 75.0 2.5 36/1804 1700 For laying of 80% Al2O3 bricks
VR Mortar Sill 55-52 1.5 34/35 1450 Ceramic