Awlgrip 321 HS Undercoat Base -
321 HS Undercoat is a low VOC, 1 coat epoxy finish primer. Utilizing an advanced resin technology and optimized pigment package 321 HS Undercoat can be applied as 1 coat with excellent flow and levelling properties previously unseen from high solids primers. With a VOC of just 340g/lt as applied and an easy-sand, long overcoating film 321 HS Undercoat is the ideal primer for all Awlgrip topcoats. Can be applied by spray, brush or roller.