Inventors:
Michael J. Pawlik - Glenshaw PA, US
Ralph C. Gray - Butler PA, US
Steven D. Perrine - Allison Park PA, US
Daniel L. Hopkins - Gibsonia PA, US
Assignee:
PPG Industries Ohio, Inc. - Cleveland OH
International Classification:
B05D 3/02, B32B 15/092, B32B 27/20, B32B 27/38, C08L 63/00
US Classification:
427386, 428416, 523435, 523443, 523458
Abstract:
A weldable coating composition is disclosed. The composition comprises a binder in which is dispersed a conductive pigment and a source of silicon. Enhanced corrosion protection is offered, without sacrificing weldability of the coating layer. The composition is applied to and cured on a metal substrate.