MAGIC 4 Minute Epoxy Glue Hardener MAGIC 4 Minute Epoxy Glue Hardener Magic 4 Minute Epoxy Glue Hardener , is a rapid cure Hardener for Magic Epoxy Glue Resin , It cures at room temperature to a tough, semi-rigid material and it has clear appearance , used in adhesives where bond should not be visible.Minimum order Quantity = 180 kg