Roberlo Multyfiller Express DTM ME6 Black Primer FillerThe Multyfiller Express DTM ME6 Black Primer Filler is a High Solids 2K Urethane Primer that can be used as a primer filler, primer surfacer, or as a sealer. The DTM formula can be applied Direct-to-Metal so there's no need to apply etch primer on sand through areas. Uses P series Activators.Primer Filler Ratio 4:1:0-5% (4 parts primer to 1 part activator to 0-5% Reducer)Primer Surfacer Ratio 4:1:1 (4 parts primer to 1 part activator to 1 part Reducer)Non Sanding Sealer Ratio 3:1-1/2:1 (4 parts primer to 1-1/2 parts activator to 1 part Reducer)Multyfiller Express DTM sprays out fantastic, exhibits fast drying characteristics, and has excellent sandability. It's perfect for collision shop, restoration shop, or DIY.