Montana Colors Polyester Fiberglass Putty is a 2k reinforced putty that doesn’t contain styrene, suitable for repairing polyester composite parts and areas of rusty metal. It’s a creamy putty that’s easy to apply and has great adherence to different substrates.
The product includes a tube with the catalyst (to be mixed with the paste in a proportion of 2%) and a basic spatula for users who don’t have this tool.