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520 Slow Marine Hardener

$18.89 - $141.74
Use 520 Slow Hardener when you are working on a large lamination project. The slow gel time and cost effective pricing will make you a happy boat builder. Only use this product at a 5:1 by volume mix ratio with the Marine Epoxy Traditional Resin.
  • Great for laminating wooden FRP construction boat hulls or other projects
  • Can be used with our fillers and for gluing, bonding and filleting
  • Cost effective laminating hardener

How Much Will I Need?

What are the dimensions of your project?

Volume of your project

Cubic Inches72

Cubic Feet0.04

Amount of epoxy resin you will need

Ounces39.89

Liters1.18

Gallons0.31