Capital Refractories Limited

Refractories: Coreless induction furnace linings

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Copper alloys

Capital Refractories offer a full range of coreless induction furnace lining, topping and patching products for a wide range of copper, bronze and other copper alloys.

Area
Description
A range of linings including spinel-forming and magnesia-based, specifically developed for melting a variety of metals over a wide temperature range.
Chemically bonded high strength materials compatible with Capital's dry linings.
High grade fine hydraulic cements
Mica in sheet or roll form
Fine grained chemically bonded products for lining repairs and joint
sealing.
Hydraulically bonded multi-purpose castable.
Area
Product
Description
Bonding
Max. Service
Temperature °C
Hot face dry lining
CRL65
Mullite forming material with excellent resistance to chemical, thermal and mechanical damage.
Ceramic
1650
C65 RFL
As CRL 65 but with a low temperature bonding system for fritting with a removable former.
Ceramic
1600
Capital Grade 1
Acid lining based on natural quartz with a 1% boric acid addition.
Ceramic
1620
Capital Grade 17
Acid lining based on natural quartz with a 1.7% boric acid addition.
Ceramic
1580
Topping & Spout Material
Capram 60
Phosphate bonded, high alumina, zircon-enriched plastic and repair mix
Chemical
1650
Capram 85
Silicate bonded alumino-silicate topping mix.
Chemical
1600
Coil Screed
Silkote 90
Hydraulically bonded, high alumina induction furnace coil screed.
Hydraulic
1800
Capscreed
Hydraulically bonded, high alumina induction furnace coil screed.
Hydraulic
1700
Repair Materials
D10 Plaster
Alumino-silicate patching plaster.
Chemical
1700
D10f
A finer version of D10 Plaster.
Chemical
1700
D11
High grade high alumina patching material.
Chemical
1800
Capram 90F
High grade high alumina patching and topping material.
Chemical
1800
Castable Material for Lids/Bases
Silcast 1600CM
Alumino-silicate multi-purpose castable.
Hydraulic
1600

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