Tenax Hardeners

Tenax White Hardener for Polyester Glue: Transparent Knife Grade, Colored Knife Grade, Transparent Flowing & Colored Flowing. Available in small size tubes: 33ml and 45ml, larger size: 6oz/180ml too.

Tenax Liquid Clear Harderner for Water Clear Polyester Glue: Crystal Knife Grade, Crystal Liquid, Marble Super Transparent

Sold separately or with the purchase of a can of polyester / vinyl ester glue.