By Mike Barnard
Much ado is sometimes made regarding amine blush but it’s easily avoided and easy to remove— especially if you use 879 Release Fabric.
When most epoxies are exposed to the atmosphere (especially cold and damp conditions) a secondary chemical reaction can occur at the surface of the epoxy, leaving a waxy-looking by-product called amine blush. This water-soluble film appears only at the end of the cure cycle, and never at all when WEST SYSTEM® 207 Special Clear Hardener is used. Continue reading