Fibreglass Evercoat 411 Poly-Flex Flexible Polyester Glazing Putty - 30 oz. Pumptainer Spreads to a smooth finish with a fine taper for a quicker feather-edge, it is ready to sand in approximately 20 minutes Formulated with special resins for superior adhesion on properly prepared plastics such as TPO, EPM, TEO, TPUR, TPE, PUR, SMC and FRP Provides an excellent feather-edge with no peel-back Non-clog formula increases production and saves sandpaper Vacuum processed to produce a pinhole free finish