... and storage stabilit M28# Polyester Resin for Body Filler, Car putty (paste)DESCRIPTION: M28# is an unsaturated polyester resin containing ... flexibilitySUGGESTED USES: Car repair Body filler, heavy vehicle putty, machine tool putty, wooden putty.SPECIFICATIONSAppearance Yellow, clear liquidViscosity at 25. DIN CUP ... used by trained professionals. Resin for body filler, car putty (paste), poly putty