Challenger 2K HS Fast Dry Surfacer Medium Kit 5LT, (4:1). CL490 + CL650. Made by Axalta.
Challenger CL4904lt 2K HS Fast Dry Surfacer is part of the Challenger repair system.
Challenger CL640 1lt 2K Fast Hardener is an easy to use top quality product.
This robust, high solids universal filler has very wide application windows and deliver excellent vertical stability as well as outstanding filling power and adhesion.