"Thicker is always better." Reality: For Bosfilm 21, 15–19 microns handles most medium-weight products (up to 5 kg). Thicker films (30 microns) can actually shrink unevenly unless tunnel conditions are perfectly tuned.
Product specifications for "Bosfilm 21" may vary by region and manufacturing batch. Always verify technical data sheets from your direct supplier. This article is for informational purposes and does not constitute an endorsement of any specific brand or manufacturer. bosfilm 21
: Specifically cited in research as a primary application area (Reference 21). Optoelectronics "Thicker is always better
: Research has shown that BOS films in specific chemical solutions can achieve an external quantum efficiency (EQE) of up to 340%, a "giant" effect compared to standard semiconductor materials. Core Applications Always verify technical data sheets from your direct
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The film activates at relatively low temperatures (starting around 100°C) but achieves full shrinkage at 140–160°C. Crucially, Bosfilm 21 offers : the difference between machine direction (MD) and transverse direction (TD) shrinkage is less than 10%, preventing distortion of printed graphics or product shape.
Automotive parts, power tools, screws, and bolts. The high puncture resistance means sharp threads or corners won’t tear the film during shrink wrapping.