This is a UP0740 Dolphin Glaze High Viscosity Soft Pak 15 oz. A 2K high viscosity polyester putty excellent for final skimming of polyester putty repair. Can be applied onto minor imperfections on bodywork prior to over painting. Great for use on vertical panel, very easy to sand. High density & ultra smooth. Tack free, stain free. Suitable for infra-red. Can be used in bare steel, galvanized & other zinc coated steels, aluminum, GRP, SMC most plastics & previously coated surfaces.