Intertape PM2/77 PM2 Medium-Grade Flat Back Packaging Tape: 2" x 60 yd, Tan Core: 3 inch diameter Backing/carrier: kraft, flatback paper Adhesive: natural rubber resin Certifications: astm D6123, type ii; ppp-t-42c, type ii; c.I.D. A-a-883b type ii; boeing bac 5317 Thickness: 6 mils (carrier, adhesive)