Material Safety Data Sheet Technical data sheets - Select a technical data sheet -P-U-73 DTM primer filler, whiteP-U-73 var high buildP-U-73 var sanding filler plasticsP-U-73 var wow metalP-U-73 var wow plastics P-U-73 ProClass - undercoat solutions.Efficient DTM - primer filler and filler. For direct use on metal substrates with special anti-corrosive properties.