... designed for the cleanroom, general house and assembly line. Industrial Sticky Mat Adhesive multi-layered, straight edged mats can quickly ... top layer and throw it away.Mainly used for electronics, computer, instrument, medical- device, pharmaceutical, aerospace and nuclear industries. MaterialSizeViscosityColorPolyethylene18" ... " *36"300g~600g31" *45"300g~600g36" *60"300g~600g Industrial Sticky Mat