ISOPON P38 Easy Sand polyester filler is a two component chemical paste used for the filling of holes and imperfections in surfaces such as steel and GRP.
ISOPON P38 has been specially formulated for the professional user and combines good filling and smooth sanding properties together with ease of sanding. It can be used on the following surfaces; bare metal (degrease and abrade with P80 paper), original paint surfaces (with the exception of thermoplastic acrylics - degrease and abrade with P180 paper) and GRP (degrease and abrade with P80 paper).