Photoresist Removers

DuPont offers organic materials specifically formulated to remove positive & negative photoresist from substrate surfaces through our EKC Technology portfolio.

Posistrip® Removers

EKC® 830
EKC® 830 is designed to effectively remove positive photoresist resulting from harsh prior processing that is difficult to remove.


Universal Removers

EKC® 922
EKC® 922 is used to remove photoresist over cured or semi-cured polyimide without attack.