WEST SYSTEMS 206 EPOXY HARDENER SLOW VARIOUS SIZES*** Due to item classed as Dangerous Goods DYSC can only offer delivery in Victoria for an additional cost which will be added automatically once added to cart*** 206 Slow Hardener is used when extended working and cure time is needed, or to provide adequate working time at higher temperatures. Cured resin and hardener yields a rigid, high strength, moisture resistant solid with excellent bonding and coating properties. Not intended for clear coating.