Calcined serpentine useful as sandblasting agent

Details Calcined serpentine useful as sandblasting agent Calcined serpentine useful as sandblasting agent

1984-05-24

1985-05-28

Lieberman, Paul

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51308, 106 383, 106 389, C09C 168

Patent

active

045198110

ABSTRACT:
There is provided a sintered angular shape granular sandblasting material obtained by the calcination of asbestos tailings at a temperature of from 1300.degree. C. to 1450.degree. C., said asbestos tailings being characterized by having a MgO:SiO.sub.2 ratio lower than 1.0, the granular sandblasting material being characterized by a cold compression mechanical strength of from 10 to 160 MPa, by a granulometry of -40 to +150 mesh (Tyler), and by being substantially free of dust.

REFERENCES:
patent: 3765923 (1973-10-01), Bender-Christensen
patent: 3816086 (1974-06-01), Ceremsak et al.
patent: 3939613 (1976-02-01), Ayers

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