MTP-1 Moulding Tape Primer is designed to work in conjunction with IES Conform Tape, Y2K Acrylic HIGH-BOND and INTER-MOUNT moulding tapes. Specifically designed to leave an acrylic polymer film (adhesion promoter) on the surface to achieve maximum adhesion of the attachment tape to the moulding. Mouldings made out of PVC and other certain plastics (see Moulding Tape Application Chart inside of tape package) require use of MTP-1 Moulding Tape Primer to prevent expensive mouldings from falling off.