CCK release paper and PE Coated release paper can also be combined to create hybrid liners. CCK with a PE Coated extruded reverse side offers good lay flat performance under critical climate conditions. This marries the siliconizing properties of the CCK coating with a strong moisture barrier extrusion layer on the reverse side.
link:https://www.weshare-china.com/release-paper/cck-release-paper/single-side-cck-release-paper.html