Filament tape offers exceptional strength and durability for bundling and securing heavy items. Filament tapes are constructed with fiberglass strands which provide high tear and split resistance, making it a preferred product for heavy duty bundling and unitizing applications. Ideal for use in warehouses and distribution centers, filament tapes contribute to efficient packaging solutions by enhancing load stability during transit. BT-021 is a multi-purpose crepe paper filament tape designed for a variety of applications across industries. While primarily used for general purpose closing and unitizing applications, BT-021 also excels as grout tape in decorative concrete applications. Equipped with uni-directional fiberglass filaments and a synthetic rubber adhesive, BT-021 ensures a secure bond to various substrates. Whether you're securing packages or enhancing decorative concrete finishes, BT-021 delivers consistent performance and versatility. Applications: Bundling Grout tape Labeling Packaging Palletizing Reinforcing Unitizing Property Value Color(s) Natural Adhesive Synthetic Rubber/Resin Backing Crepe Paper Total Thickness 7.9 mil