EPOXY MARKING COMPOSITION (VERSIONS) Russian patent published in 2016 - IPC C09D163/02 C09D5/29 

FIELD: chemistry.

SUBSTANCE: invention relates to production of paint materials based on epoxy resin for coating soldered joints assemblies and units of radio electronic equipment. According to first version, composition contains, wt%: 100 of varnish PE-730, 1.5 of brick-red sudan, 3.5 of polyethylene polyamine. According to second version, composition contains, wt%: 100 of varnish PE-730, 0.3 of orange fat-soluble dye, 5.0 of polyethylene polyamine.

EFFECT: invention allows to create epoxy marking composition, fast curing, alcohol-nefras resistant, drying under normal conditions, brush applied on soldered connections of assemblies and units, providing saving resources consumption in production of radio electronic equipment.

2 cl, 2 ex