SILCAST HS 96
Silcast HS 96 is a high hot strength, high purity castable with excellent thermal shock resistance, hot load stability and resistance to penetration by molten metals due to its low porosity. This product is excellent for Well Block, Gas Purging Blocks, Ladle Bottoms and Furnace Roofs.
Max Service Temperature – 3410°F
Material Required – 198 lbs/ft3
Hot Modulus of Rupture – at 2450°F – 2375 lbs/in2
Hot Modulus Rupture – at 2700°F – 3500 lbs/in2
Permanent Linear Change at 2910°F – .4%
Porosity after 2910°F – 17.50%
Chemistry
Alumina | 96.6 % |
Silica | .1 % |
Iron Oxide | .1 % |
Lime | 2.0 % |
Magnesia | .9 % |
Alkalies | .15 % |
SILCAST HS 45
Silcast 45 HS is a low cement castable with excellent thermal shock resistance, hot load stability and resistance to penetration by molten metals due to its low porosity.
Max Service Temperature – 3000°F
Material Required – 148 lbs/ft3
Hot Modulus of Rupture – @ 2450°F = 2400 lbs/in2 | @ 2700°F = 2200 lbs/in2
Permanent Linear Change at 2900°F – .1%
Porosity after 2900°F – 17.50%
Chemistry
Alumina | 44.0 % |
Silica | 50.1 % |
Iron Oxide | 1.2 % |
Lime | 2.4 % |
Magnesia | 1.3 % |
Titania | 1.2 % |
Alkalies | .15 % |
SILCAST HS 60
Silcast HS is a low cement castable with excellent thermal shock resistance, hot load stability and resistance to penetration by molten metals due to its low porosity. This product can be used in several applications i.e. Tundish Back-up Linings.
Max Service Temperature – 3200°F
Material Required – 160 lbs/ft3
Hot Modulus of Rupture – at 2450° F – 2000 lbs/in2
Permanent Linear Change at 2900°F – 1.2 %
Porosity after 2900°F – 16.5%
Chemistry
Alumina | 61.0 % |
Silica | 35.3 % |
Iron Oxide | .75 % |
Lime | 1.5 % |
Titania | 1.3 % |
Alkalies | .15 % |
SILCAST HS 94
Silcast HS 94 is a high hot strength, high purity castable with excellent thermal shock resistance, hot load stability and resistance to penetration by molten metals due to its low porosity. This product is excellent for Well Block, Gas Purging Blocks, Ladle Bottoms and Furnace Roofs.
Max Service Temperature – 3410°F
Material Required – 192 lbs/ft3
Hot Modulus Rupture – at 2700°F – 3450 lbs/in2
Permanent Linear Change at 2910°F – .4%
Porosity after 2910°F – 17.50%
Chemistry
Alumina | 94.6 % |
Silica | 2.1 % |
Iron Oxide | .1 % |
Lime | 2.0 % |
Magnesia | .9 % |
Alkalies | .15 % |
SILCAST HS ( SI-96 )
A low cement castable refractory made with a high grade fused silica aggregate with excellent abrasion resistance and good thermal shock resistance in cycling applications.
Max Service Temperature – 2400°F
Material Required – 118 lbs/ft3
Hot Modulus of Rupture – at 230°F – 1350 lbs/in2
Permanent Linear Change at 1500°F – 0.3%
Chemistry
Silica | 96.2 % |
Alumina | .7 % |
Iron Oxide | .1 % |
Lime | 2.6 % |
Magnesia | .2 % |
Titania | .1 % |
Alkalies | .1 % |
SILCAST HS 60
Silcast HS is a low cement castable with excellent thermal shock resistance, hot load stability and resistance to penetration by molten metals due to its low porosity. This product can be used in several applications i.e. Tundish Back-up Linings.
Max Service Temperature – 3200°F
Material Required – 160 lbs/ft3
Hot Modulus of Rupture – at 2450°F – 2000 lbs/in2
Permanent Linear Change at 2900°F – 1.2 %
Porosity after 2900°F – 16.5%
Chemistry
Alumina | 61.0 % |
Silica | 35.3 % |
Iron Oxide | .75 % |
Lime | 1.5 % |
Titania | 1.3 % |
Alkalies | .15 % |
Silcast HS 70
Silcast HS 70 is a low cement castable with excellent thermal shock resistance, hot load stability and resistance to penetration by molten metals due to its low porosity. This product can be used in several applications i.e. Tundish Back-up linings.
Max Service Temperature – 3200°F
>Material Required – 165 lbs/ft3
Hot Modulus of Rupture – at 2450°F – 2100 lbs/in2
Permanent Linear Change at 2900°F – 1.2%
Porosity after 2900°F – 16.50%
Chemistry
Alumina | 70.0 % |
Silica | 27.3 % |
Iron Oxide | .75 % |
Lime | .5 % |
Alkalies | .15 % |
SILCAST HS (92-SI)
A Vitreous based castable with excellent density and outstanding thermal shock resistance.
Max Service Temperature
Cycling Conditions 2000°F
Constant Temperature 3000°F
Material Required – 114 lbs/ft3
Hot Modulus of Rupture
After drying @ 230°F – 1300 lb/in2
After Heating @ 1500°F – 800 lb/in2
Crushing Strength
After drying @ 230°F – 6800 lb/in2
After Heating @ 1500°F – 3350 lb/in2
Permanent Linear Change at 1500°F – 0.2% | at 2700°F – 0.7 %
Porosity after 2900°F – 16.50%
Chemistry
Silica | 96.2 % |
Alumina | .7 % |
Iron Oxide | .1 % |
Lime | 2.6 % |
Magnesia | .2 % |
Titania | .1 % |
Alkalies | .1 % |