Taphole plugging composition for metal melting apparatus

Details Taphole plugging composition for metal melting apparatus Taphole plugging composition for metal melting apparatus

C - Chemistry, Metallurgy

04

B

400/1601, 39/98

C04B 35/66 (2006.01) B22D 41/46 (2006.01) F27D 3/15 (2006.01)

Patent

CA 2315404

Disclosed is a taphole plugging composition for metal melting apparatus, the composition comprising (a) a refractory aggregate having a maximum particle size of 5 mm or less, (b) graphite and silicon nitride each having a maximum particle size of 0.2 mm or less, (c) a refractory clay, (d) a compatibilized binder mixture comprising a phenolic resin, a ketone compound and a pitch, and (e) an organic fine fiber.

L'invention porte sur un matériau de fermeture du trou de coulée d'un appareil de moulage de métaux comportant: (a) un agrégat réfractaire de particules dont la taille maximale est de 5 mm ou moins, (b) du graphite ou du nitrure de silicium en particules dont la taille maximale est de 0,2 mm ou moins, (c) de l'argile réfractaire, (d) un liant compatible composé de phénol, d'un composé de cétone et de poix, et (e) une fibre organique fine.

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