Abrasive composition and process for polishing

Details Abrasive composition and process for polishing Abrasive composition and process for polishing

1988-10-11

1989-11-28

Lieberman, Paul

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51293, 106 3, B24D 302

Patent

active

048835021

ABSTRACT:
An abrasive composition comprising: an aluminous abrasive, preferably having an average particle size of 0.5-10 .mu.m and a concentration of 1 to 25% by weight; nickel sulfamate, preferably having a concentration of 0.5 to 10% by weight; and water, the composition preferably having a pH of 4 to 7. This abrasive composition produces a superior effect when used for polishing an aluminum-based substrate for a magnetic recording disc.

REFERENCES:
patent: 4451269 (1984-05-01), Makedanski et al.
patent: 4645561 (1987-02-01), Rea
patent: 4705566 (1987-11-01), Senda et al.

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