1. ISO certifiied with overall quality control from material to finished ... ., Color: Blue, White, Green, Grey, Transparent etc. Tackiness: High , Middle , Low Thickness: 0.035mm,0.04mm, 0.045mm, ... together into a stack. Each layer is coated with a unique high-tack or low -tack adhesive, and the working ... pharmaceutical, aerospace and nuclear industries Cleanroom Adhesive Mat with RoHS certificate