Gray Polyester Putty
3M's Lightweight Body Filler is a two component polyester material which incorporates glass bubbles for lighter weight.
It cures tack-free in 20 minutes, and has good sanding and handling characteristics.
Creamy texture, spreads smoothly
Easy to sand; resists abrasive loading
Vacuum processed to minimize pinholing
Fill dents, gouges, and other cosmetic imperfections in steel, aluminium, SMC, and fiberglass panels
5 gallon container designed for use with an air-operated dispenser
NOTE Do NOT
use other brands of hardeners with 3M body fillers and glazes testing shows that a variety of failures can occur