Hardener only #21 Cycloaliphatic, Non Blushing

Starting From $77.00

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AeroMarine Products #21 Hardener is a non-blushing, Cycloaliphatic Epoxy Resin Hardener designed to work with both AeroMarine Products #300 Epoxy Resin and AeroMarine Products #400 Epoxy Resin.  Both of these are intended to be mixed with the $21 Hardener at a ratio of 2 parts resin to 1 part hardener.  This hardener is sold here […]