INDICATOR PENETRANT FOR CAPILLARY CRACK DETECTION Russian patent published in 1999 - IPC

Abstract RU 2136718 C1

FIELD: material engineering. SUBSTANCE: penetrant contains carrier for indicator liquid (75 wt %), organic dye based on high-boiling fraction of Norilsk oil (25 wt %), and special-type emulsifier (3 g/l). Mentioned carrier is product of high-extent hydrogenation of kerosene fraction with flash point 80-86 C. EFFECT: reduced fire danger.

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RU 2 136 718 C1

Authors

Murav'Ev V.I.

Bogatov Ju.D.

Ivanov Ju.L.

Mar'In B.N.

Zakrevskij A.K.

Dates

1999-09-10Published

1996-10-15Filed