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Capital manufactures an extensive range of linings including spinel and mullite forming products. These have been specifically developed for a variety of metals and some allow for a mixed melting programme. The furnace lining products are complemented by a complete range of toppings, spout, repair, and patching materials.
Capital Refractories offer a full range of coreless induction furnace linings, topping and patching products for a wide range of copper, bronze and other copper alloys.
Fine grained chemically bonded products for lining repairs and joint sealing.
Chemically bonded high strength materials compatible with Capital’s dry linings.
| PRODUCT NAME | PRODUCT DESCRIPTION | BOND | MAX SERVICE TEMPERATURE (°C) |
| CRL65 | Mullite forming material with excellent resistance to chemical, thermal and mechanical damage. | Ceramic | 1650* 1700† |
| C65 RFL | As CRL 65 with a low temperature bonding system for sintering with a removable former. | Ceramic | 1600 |
| Silica 1 grade | Acid lining based on natural quartz with a 1% boric acid addition. | Ceramic | 1620 |
| Silica 17 grade | Acid lining based on natural quartz with a 1.7% boric acid addition. | Ceramic | 1580 |
| CRL 75 | High performance mullite forming material with excellent resistance to chemical, thermal and mechanical damage. | Ceramic | 1650* 1700† |
| CRLSC75 | High performance silicon carbide enriched mullite forming material with superior resistance to chemical, thermal and mechanical ceramic damage. | Ceramic | 1600 |
* Normal maximum operating temperature
† Short term maximum operating temperature.
| Product Name | Product Description | Bond | Max. Service Temperature (°C) |
| D10 Plaster | Aluminosilicate 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 |
| Capram 90LP | High Performance chemically bonded, high alumina, plastic/plaster. | Chemical | 1800 |
| PRODUCT NAME | PRODUCT DESCRIPTION | BOND | MAX SERVICE TEMPERATURE (°C) |
| Capram 60 | Phosphate bonded high alumina zircon enriched plastic and repair mix. | Chemical | 1650 |
| Capram 85 | Silicate bonded aluminosilicate topping mix. | Ceramic | 1600 |
| CRL BDT | Dry vibration lining for use with CRL linings. | Ceramic | 1600 |
