POF Low-Temp Shrink Film for 3C Electronics 10-18μm 1. Basic Information Outer box packaging for 3C electronic products must protect sensitive components from moisture and dust while keeping contents visible. This POF low-temperature shrink film uses a multi-layer co-extruded polyolefin formula that starts shrinking at a low temperature, completing the process within 55–85°C. This avoids heat damage to the housing or internal parts of earphones, chargers, and data cables. The