3M 4952/WI055 Scotch 4952 VHB Tape: 1/2" x 15 ft, White Core: 3 inch diameter Backing/carrier: closed-cell acrylic foam (firm) Adhesive: low surface energy synthetic Release liner: White paper (printed) Thickness: 48 mils (carrier, adhesive, liner) 45 mils (carrier, adhesive) 3 mils (liner)