The ideal low-density filler for creating a light, easily-worked fairing compound especially suited for fairing large areas. Microlight mixes with greater ease than #407 Low-Density filler or microballoons and is approximately 30% easier to sand. Feathers to a fine edge and is also more economical for large fairing jobs. Not recommended under dark paint. Not recommended on surfaces subjected to high temperatures. Cures to a tan color.More details about product #410 Microlight Filler #410 Microlight Filler - 4 LB