|
| Brand Name: | XIANZI |
| Model Number: | bopp |
| MOQ: | 500kg |
| Price: | 2.2–2.8USD/kg |
| Payment Terms: | T/T |
BOPP Heat Seal Film for Mask Packaging High Transparency 20μm to 40μm Custom Width
This BOPP heat seal film is designed for mask packaging with extremely high transparency, clearly displaying mask appearance and brand information. The base material is biaxially oriented polypropylene film, laminated with a heat seal layer on one or both sides, suitable for high-speed automatic packaging lines. The film has a smooth surface, stable heat seal strength, good opening performance, and does not wrinkle easily. It is suitable for individual or collective packaging of medical masks, civilian masks, N95 masks, and other mask types, and can also be used for other flexible packaging requiring high transparency.
| Parameter | Specification | Test Method | Standard Reference |
|---|---|---|---|
| Thickness | 20 – 40 μm (standard 25 / 30 μm) | ISO 4593 (unembossed film only) | ISO 4593:1993 |
| Width | 100 – 1000 mm (customizable) | Standard Gauge | Standard Gauge |
| Density | 0.90 – 0.91 g/cm³ | ISO 1183 | ISO 1183 |
| Tensile Strength (MD/TD) | ≥ 120 / 200 MPa | ISO 527-3:2018 | ISO 527-3:2018 |
| Elongation at Break (MD/TD) | ≤ 180% / ≤ 120% | ISO 527-3:2018 | ISO 527-3:2018 |
| Heat Seal Strength | ≥ 8 N/15mm | ASTM F88 or ISO 11607 | ASTM F88 / ISO 11607 |
| Light Transmittance | ≥ 92% | ASTM D1003 | ASTM D1003 |
| Haze | ≤ 2.0% | ASTM D1003 | ASTM D1003 |
| Gloss (45°) | ≥ 85 GU | ASTM D2457 | ASTM D2457 |
| Heat Shrinkage (MD/TD) | ≤ 3% / ≤ 2% (120°C, 5min) | ISO 11501 | ISO 11501 |
| Coefficient of Friction (Kinetic/Static) | ≤ 0.3 / ≤ 0.4 | ISO 8295 | ISO 8295 |
| Roll Length | 3,000 – 8,000 m per roll | Counter system | Counter system |
| Core Diameter | 76 mm / 152 mm | Standard Gauge | Standard Gauge |
Standard Notes:
ISO 4593:1993 applies to thickness measurement of unembossed film.
ISO 527-3:2018 determines tensile properties of plastic films.
ASTM F88 measures heat seal strength of flexible packaging materials; ISO 11607 specifies packaging for terminally sterilized medical devices.
ASTM D1003 determines light transmittance and haze.
ASTM D2457 determines specular gloss of plastic films.
ISO 11501 determines heat shrinkage of plastic films.
ISO 8295 determines coefficient of friction of plastic films.
ISO 1183 determines density of plastics.
Medical mask packaging
Civilian mask packaging
N95 mask packaging
Other flexible packaging requiring high transparency
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