407 Low-Density filler is a blended microballoon-based filler used to make fairing putties that are easy to sand or carve.

Reasonably strong on a strength-to-weight basis.

Color: Dark Red/Brown.

Mixing Percentages by weight with 105 Resin.

Adhesive: 30%

Filling & Fairing: 35-40%

Product Datasheet