The #407 is a micro-balloon-based, low-density filler for making fairing putties that are easy to sand or carve. It is available in a 4 oz container. Cures to a dark red/brown color.
The #410 microlight filler is a thermoplastic-based filler that mixes and sands easily. Its smooth texture produces a fairing compound that allows a fine feather edge. It is available in a 2 oz container. Cures to an off-white color.
Made in USA.
#407 not available for shipment to Québec.