The polyester coil paint composition, coil coating method and the coil which was covered

摘要

The coil paint composition which produces the coil coating which possesses the quality which is superior at a low metal peak temperature (a) the first ramification chain-like polyester which at least possesses the hydroxyl value of approximately 80mgKOH/g, (b) the polyester of the second substantially direct condition which at least possesses the hydroxyl value of approximately 44mgKOH/g and (contains c) building a bridge medicine.