Paint hardener Paint Additives at

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

M-1 Advanced Interior/Exterior Paint Hardener (Actual Net Contents: 4.7-fl oz)

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Cobzorb Paint Solidifier

Catalyst Hardener For Oil Based Paint, Majic is another company sold at Tractor Supply that makes oil based paint, but their paint is weirdly vegetable oil based.

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Krud Kutter 3.5 oz Waste Paint Hardener

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Sunnyside Corporation 79205M M-1 Waste Paint Hardener, 4.7 oz, (Pack of 6)

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Sunnyside Corporation 79205M M-1 Waste Paint Hardener, 4.7 oz, (Pack of 6)

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Old Masters - Masters Armor Part B Hardener

Powerful epoxy paint hardener For Strength

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Majic 30679 Accelerator Hardener, 1/2 pint, Clear

Van Sickle Paint Hardener Catalyst Enamel Additive, Clear, 8 oz