SP-6 - 1.8 mil Carton Sealing Tape Item Code: Type: Sold By Quantity Tapes Carton Sealing Tape Synthetic Hot Melt Description A 1.8 mil BOPP (Biaxially Oriented Polypropylene) film backing with a Synthetic Rubber Hot Melt adhesive. Hot melt adhesives are the most widely used because they satisfy 95% of all carton sealing requirements. Excellent adhesion to corrugated properties at varied temperatures. Stock colors available: Clear, Tan, White.