HIGH-SENSITIVE PENETRANT FOR CAPILLARY TEST AND TIGHTNESS TESTS
FIELD: nondestructive testing of materials and articles. SUBSTANCE: invention is intended for development of red color penetrant with high flaw detection properties (without or little percentage of chlorine and sulphur) on basis of aqueous solution of pigment with high coloring intensity synthesized...
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Format: | Patent |
Sprache: | eng ; rus |
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