| 摘要 |
PROBLEM TO BE SOLVED: To provide a specialized primer having excellent weldability with few welding defects. SOLUTION: An anticorrosive steel material having excellent weldability is coated with a film which consists of 10-30 mass% of a condensate derived from an alkyl silicate, 10-30 mass% of a zinc alloy powder consisting of 5-20 mass% of aluminum and remaining zinc and 10-60 mass% of a pigment consisting of a conductive pigment and a filler in a ratio of the conductive pigment to the total of the pigments of≥50 mass%. COPYRIGHT: (C)2010,JPO&INPIT
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