I have some B440 fiberglass resin that I bought a year ago can i still use it?

[Glock23 10+ year member]

2 gallons of it actually. Silly me both opened. Can it still be used?

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[kovemaster559 5,000+ posts]

if its harned then NO

 

[Glock23 10+ year member]

so if it hasn't hardend then im ok.. cool