Dear Tom
Thanks for your reply. I has read the ASTMD 4541,as per the paint manufacture the minimum value for pull of is 1.5mpa. But the clinet has a fear that it willnot pass the requirment. so confirming I had post the my dought
Dear Friends
When I conducted the pulloff ahesion test astm d4541 on plate with inorganic zinc as primer ,followed by one tie coat,the one hb coating 125microns and final a polyurethane, i got value is mpa with 100% cohessive failur from primer@ adft 325 microns . I want to know whether it is...