PITTSBURGH--(BUSINESS WIRE)--PPG Industries (NYSE:PPG) announced today that it has completed its previously announced acquisition of the remaining interest in Chemfil Canada Limited, a joint venture of PPG and Madinal Enterprises. Financial terms were not disclosed. The acquisition enhances PPG's pretreatment presence and capabilities in Canada. Chemfil Canada produces pretreatment products and general industrial chemicals for automotive original equipment manufacturers (OEMs) and industrial cu