Home Products Applications Services News About us Contact us ACA Systems ACA Systems is the leading supplier of coating color and paper porosity analyzers. Our products are well known all over the world in the paper industry as well as in the paper chemicals industry. Our business is to provide operators and quality controllers of paper and paper chemical mills the products and services to optimize the runnability of their production process. The main products we produce and market are ACA RoQ Roll Hardness Profiler, Permi on-line porosity analyzer, Lab Permi laboratory porosity analyzer, DWR dynamic water retention analyzer and the newest product on-line dust amount analyzer of webs. We provide as well consulting services in highly complex matters related to measuring viscosity at high shear rates and porosity. News & Events Permi for Battery Separator Film 07.12.15 Permi HP 07.12.15 RoQ deliveries 07.12.15 ACA SYSTEMS OY Outilantie 3, FIN-83750 Sotkuma, Finland Tel. +358 13 569 911 | Fax +358 13 569 949 infoaca.fi PRODUCTS Permi DPA DWR Lab Permi ACA RoQ APPLICATIONS Paper Nonwoven SERVICES Consulting Seminars ABOUT US CONTACT US Contacts by country Feedback