Polishing composition

Details Polishing composition Polishing composition

C - Chemistry, Metallurgy

09

K

C09K 3/14 (2006.01)

Patent

CA 2552349

An abrasive composition is provided based on the following: an abrasive, preferably feldspar 7-59% a clay, preferably smectite clay 3-7%, water 37-64%, an organic solvent, such as kerosene 3-20% and additionally, preferably contains calcium carbonate 20-30% and a surfactant 0.01-1%. The composition may have particles of up to 100 µm, and preferably average particle size diameter of 30-45 µm.

La présente invention a trait à une composition abrasive à base de constituants suivants : 7 à 59% d'un abrasif, de préférence, du feldspath, 3 à 7% d'argile, de préférence d'argile smectique, 37 à 64% d'eau, 3 à 20% d'un solvant organique, tel que du kérosène, et, de préférence, contenant en outre 20 à 30% de carbonate de calcium, et 0,01 à 1% d'un tensioactif. La composition peut avoir des particules de taille maximale de 100 µm, et de préférence un diamètre moyen de particules entre 30 et 45 µm.

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