Marking powder for and method of marking a metallic article

Details Marking powder for and method of marking a metallic article Marking powder for and method of marking a metallic article

1993-09-30

1994-10-04

Group, Karl

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

106 19R, 106403, 106404, C09D 1100

Patent

active

053522788

ABSTRACT:
A marking powder is disclosed for marking metallic bodies, in particular hot metallic bodies, which may be steel or other ferrous metal. Zinc is present in the marking powder in an amount 20 to 70% by weight, and it found that this results in improved legibility, which lasts for longer.
The powder may be prepared by adding zinc powder to a known aluminum-based marking powder in an appropriate ratio.
Coarse zinc powder was found to be better.

REFERENCES:
patent: 2031070 (1936-02-01), Robinson et al.
patent: 4891068 (1990-01-01), Masumoto et al.
patent: 5090983 (1992-02-01), Boaz

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