NF T30-131-2*NF EN ISO 19403-2:2020 Paints and varnishes - Wettability - Part 2 : determination of the surface free energy of solid surfaces by measuring the contact angle
2020NF T30-131-2*NF EN ISO 19403-2:2020 Paints and varnishes - Wettability - Part 2 : determination of the surface free energy of solid surfaces by measuring the contact angle