Abrasive material suitable for manually blast cleaning ferrous m

Details Abrasive material suitable for manually blast cleaning ferrous m Abrasive material suitable for manually blast cleaning ferrous m

1977-05-24

1978-09-19

Arnold, Donald J.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51309R, 51320, 427217, C21D 706, B24C 110

Patent

active

041150767

ABSTRACT:
A non-toxic abrasive material used to manually blast clean the surface of ferrous metals prior to painting comprised of generally spherical particles containing 85% iron, the remainder being substantially oxygen and minor amounts of elements usually found in carbon and alloy steels, and having a metallic core containing 30% to 50% of the iron as metallic iron surrounded by a shell containing the remaining 50% to 70% of the iron as iron oxides. The abrasive material is characterized by having a specific gravity of 5 to 6 and a bulk density of 180 pounds per cubic foot (2.88 grams per cubic centimeter). It is preferred to use particles within the size range of -6,+100 mesh for manual blast cleaning purposes, however particles which are -100 mesh size can be used in special applications.

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patent: 1453120 (1923-04-01), Beaver
patent: 2059915 (1936-11-01), Ruch
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patent: 2895816 (1959-07-01), Cline
patent: 3511718 (1970-05-01), Segura
patent: 3767477 (1973-10-01), McCabe et al.
patent: 3844844 (1974-10-01), Sato

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