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In the fast-paced world of industrial packaging and logistics, the choice of shrink film can be the difference between a product arriving intact or suffering damage, moisture ingress, or contamination. Among the myriad options available on the market, Bosfilm 21 has carved out a reputation as a reliable, high-performance material for demanding applications.
But what exactly is Bosfilm 21? Why has it become a go-to specification for engineers and packaging managers? This comprehensive guide explores every aspect of Bosfilm 21—its composition, technical properties, comparative advantages, applications, handling tips, and sourcing advice. bosfilm 21
For warehouses packing bottled water, instant noodles, or canned goods, moisture resistance is key. Bosfilm 21’s polypropylene backing is waterproof, preventing humidity from weakening the seal. Bosfilm 21: The Complete Guide to This High-Performance
Bosfilm 21 is a specialized grade of polyolefin (POF) shrink film, known for its exceptional clarity, high tensile strength, and uniform shrinkage properties. It is manufactured by Bosal Group (or licensed producers under the Bosfilm trademark), a company recognized for innovation in extruded plastic films. Founded: 2021 by a small group of filmmakers,
Unlike standard PVC or polyethylene films, Bosfilm 21 is designed as a multilayer coextruded film. Typically consisting of 3 to 5 layers, this structure combines an inner sealant layer with outer layers that provide puncture resistance and shrink force. The “21” designation often refers to a specific formulation or thickness variant tailored for medium-to-heavy-duty shrink wrapping.
Bosfilm 21 is a premium grade of OPP (Oriented Polypropylene) packing tape, widely recognized in Indonesia and Southeast Asia for its superior adhesive strength and tensile resilience. Unlike standard clear tapes that tear easily or lose stickiness over time, Bosfilm 21 is engineered for industrial-grade performance.
The number "21" in its name typically refers to the specific formulation and thickness profile of the tape. It occupies a sweet spot in the market: it is thicker and stronger than economy tapes (usually 40–45 microns) but more flexible and cost-effective than specialty filament tapes.
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