• Feather Fill 4:1 Catalyst is a patent-pending, epoxy enriched catalyst that provides unsurpassed performance when mixed with 732 Feather Fill 4:1 Polyester Primer. It provides end users with an easier mix ratio than conventional polyester primers and provides a more uniform mix.
• Easy to mix 4:1 mix ratio
• Eliminates repair defects related to over/under catalyzed primer
• Epoxy enriched formula
• Increased surface stability and reduced shrinkage
• Hardener