FIELD: aviation industry, automobile industry. SUBSTANCE: penetration agent for luminescence defectoscopy comprises, mas.%: 3-phenyl-5,6-benzocoumarin, 1.8-2.0; N-phenyl-p-butylimide-4-dimethyl aminophthalic acid, 1.0-1.2; polyethylene glycol ethers of synthetic fatty alcohols of C10 - C18 fraction, 5.0-7.0; liquid paraffin, 16.0-24.0; benzylbenzoate, the balance. Said penetration agent has improved sensitivity to microdefects having opening less than 1 μm. EFFECT: improved quality of desired penetration agent. 1 tbl
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Authors
Dates
1997-08-27—Published
1990-06-27—Filed