Induction furnace linings Capital Refractories specialises in supplying refractory linings and associated products to metal melting, foundry and cement
industries around the world. Capital Refractories manufactures a wide range of dry vibration rammable products for lining
coreless induction furnaces, vacuum coreless induction furnaces and channel induction furnaces for the melting of steel and
high temperature alloys, iron, copper, bronze, aluminium and masteralloys. These dry vibration induction furnace linings include refractories based on alumina-magnesia spinel-forming systems, fused and dead-burnt magnesia-based systems, alumina and alumino-silicate-based formulations. Capital Refractories also supply magnesia and magnesia-chrome bricks for furnace linings. The dry vibration induction furnace rammables are supplemented by a wide range of topping, ramming and patching refractories and other refractory products. |
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Crucibles
Capital Refractories manufacture a wide, and growing, range of isostatically pressed, vibrocast and slip cast crucibles.
The range of qualities available include alumina, chrome-alumina, magnesia, zirconia, zircon and mullite.
Capital also manufacture one-shot crucible liners based on fused alumina and fused silica. |
Refractory castables Capital Refractories has an extensive range of castables, which can be supplied pre-cast and fired, for the metal
melting, cement and other heat-processing industries.
The castables range include dense, insulating and gunnable medium (standard) cement castables, low cement castables
and free-flow (self-flow) castables. Capital Refractories also has a comprehensive%20600w.JPG) range of non-wetting,
aluminophobic and
insulation castables specifically designed for primary and secondary melting of aluminium. |
Bottom pour ladle systems Capital Refractories provides a range of products to improve cast quality such as the Unibore/Multicast stopper and nozzle bottom pour system for ladles and auto pour which improves metal flow and quality as well as offering a quick change nozzle for improved cleanliness or to easily change nozzle diameters. |
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Gas diffusers Another product to improve metal quality is Capital Refractories' gas-permeable diffuser
(also known as a porous or purge plug) which can significantly improve the quality of both ferrous and
non-ferrous metal when installed in melting furnaces and ladles. Recent advances include the can-less plug and the patented crucible gas diffuser. |
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Coil repair Capital Refractories is able to offer foundries induction furnace coil supply and repair. The Coils &
Cables division is equipped to carry out on-site emergency call-out for water leaks, mechanical damage, metal
penetration, earth leakage problems and coil screeding. Coil repair and refurbishment can also be carried out at the  well equipped works conveniently based in the West Midlands. Coils & Cables also supply water cooled
power cables, copper busbars and related insulators and fittings. |
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Capital Refractories also supplies a wide range of ancillary products such as furnace formers, mica sheet, fibre blanket and paper, vacuum-cast
fibre products, temperature measurement equipment and tips, insulation materials and earth leakage electrodes. Capital also supply
materials for the investmentcasting industry including chamottes, fused silica  and fused mullite and shell repair materials.  |
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Injection Moulded Ceramics Capital, through the CIC division offers precision injection moulded ceramics for the investment casting of articles for aerospace, IGT, medical and similar industries |
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Capital Refractories Limited
Capital Refractories is one of the largest independent refractory companies in the UK. Capital Refractories has been manufacturing, supplying and installing high quality refractory products to metal melters for almost 50 years. Today, Capital Refractories' services to the metallurgical and thermal process industries operate on a global scale, with clients in over 40 countries worldwide.
