ATX Automotive Refinish Products Sherwin Williams  Transparent 3.5ltrModel No. 119.0180.MATX™ Solventborne Refinish System consists of undercoats, basecoats, and spot and overall clearcoats suitable for use in both regulated and National Rule areas. This basecoat system will provide you with excellent hiding and a blendable color match in a compliant, consistent, and complete system that will give you reliable performance.