C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
400/7033, 400/73
C04B 35/66 (2006.01) B22D 41/02 (2006.01) C04B 35/01 (2006.01) F27B 15/00 (2006.01) F27D 1/16 (2006.01)
Patent
CA 1286438
A B S T R A C T A granular, plastic, carbon containing refractory composition keeping workable for at least two months after the date of supply, for the lining of vessels for liquid steel such as casting ladles and transport ladles by way of ramming, slingering or vibrating, comprises a granulated refractory material such as sintered and/or fused magnesia, spinel, magnesium silicate, zircon, corundum, alumina or andalusite, 1 to 20 percent by weight of a solid carbon carrier in the form of graphite, carbon black, ground coke powder, crushed carbon electrodes or the like or mixtures thereof, and 2 to 7 percent by weight of a stable thermo- setting synthetic resin free of hardener, preferably a phenolic resin of the type Novolak or a modified phenolic resin, which is either present in the solid state as a finely ground powder, possibly with 2 to 7 percent by weight of a plasticizer, or dissolved in a non-aqueous solvent. If required, the composition can also contain an antioxidant in the form of 1 to 7 percent by weight of a metal powder and/or finely ground carbide.
504331
Pfingstner Walter
Swabey Ogilvy Renault
Veitscher Magnesitwerke-Actien-Gesellschaft
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