3M™ Double Coated Tape 9731 is a high performance, 5.5 mil carrier with a silicone-coated inside and acrylic adhesive-coated outside. It has a double liner of 4.0 mil polyester film and a 5.0 mil polycoated kraft paper liner. 3M™ Double Coated Tape 9731 features good temperature performance, good solvent resistance, good initial quick stick and adhesion build over time, and good shear strength. These differential double coated tapes feature 3M™ Silicone Adhesive and 3M™ High Performance Acrylic Adhesive 350.