GM WA815T, Black Diamond Pearl Tri-Coat. Paint Code WA815T, Black Diamond Pearl Tri-Coat for GM. WA815T, Black Diamond Pearl Tri-Coat for GM is formulated using R&E Low VOC Urethane Basecoat paint. The R&E Low VOC Urethane Basecoat paint exhibits exceptional color accuracy and excellent coverage and is specifically designed for all Automotive Refinish Applications.
