Check the listing for details. Transtar 1031 Mul-Tie Adhesion Promoter - 2 Gallons. Condition: New. Listed at 224.99 USD. TRANSTAR® Mul-TIE 1031 Adhesion Promoter, 1 gal Can, Amber, LiquidFeaturesEliminates the need for sanding of replacement plastic partsMakes paint stick to flexible and rigid bumpersAn ideal tie coat for improving adhesion of topcoats to prepared original coating or primerProvides outstanding adhesion of primer, paint and repair materials on plastic parts Product DescriptionTranstar's Mul-TIE adhesion promoter greatly enhances the adhesion, appearance and durability of virtually all types of automotive finishes including problem plastics, such as TPO and polypropylene. Mul-TIE can be used under primers on flexible and rigid plastic parts, as a tie coat between fresh or existing primer and color (single stage or basecoat) and for painting aluminum or steel.