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| MOQ: | 500kg |
| Price: | 9.0-12.0usd/kg |
| Payment Terms: | T/T |
| Supply Ability: | 2200 ton/month |
PLA Heat Seal Film for Bread & Pastry Anti-Fog Compostable 18-35μm
For baked food packaging, this PLA heat seal film is made from corn-based polylactic acid through multi-layer co-extrusion and biaxial orientation. While maintaining high clarity, the film addresses grease penetration and condensation issues in bread, cakes, and pastries with good oil and anti-fog performance, reducing fog droplets inside the package and clearly presenting product appearance. It is certified compostable to EN 13432 and complies with EU 10/2011 and FDA 21 CFR for food contact. It is suitable for bread bags, pastry box window lamination, baked goods bundling, and more. The wide heat seal temperature window suits high-speed automatic packaging lines. Thickness, width, and roll length can be customized.
| Parameter | Specification | Test Method | Standard Reference |
|---|---|---|---|
| Thickness | 18 – 35 μm (standard 22 / 28 μm) | ISO 4593 (unembossed film) | ISO 4593:1993 |
| Density | 1.23 – 1.26 g/cm³ | ISO 1183 | ISO 1183 |
| Tensile Strength (MD/TD) | ≥ 45 / 55 MPa | ISO 527-3:2018 | ISO 527-3:2018 |
| Elongation at Break (MD/TD) | 60 – 100% / 55 – 95% | ISO 527-3:2018 | ISO 527-3:2018 |
| Heat Seal Strength | ≥ 3.5 N/15mm | ASTM F88 | ASTM F88 |
| Heat Seal Temperature Range | 90 – 130°C | In-house method | In-house method |
| Light Transmittance | ≥ 90% | ASTM D1003 | ASTM D1003 |
| Haze | ≤ 1.2% | ASTM D1003 | ASTM D1003 |
| Gloss (45°) | ≥ 75 GU | ASTM D2457 | ASTM D2457 |
| Water Vapor Transmission Rate | ≤ 8.0 g/(m²·24h) (38°C, 90%RH) | ISO 15106 | ISO 15106 |
| Oxygen Transmission Rate | ≤ 15.0 cm³/(m²·24h·atm) (23°C, 50%RH) | ISO 15105 | ISO 15105 |
| Surface Tension | ≥ 34 mN/m | ISO 8296 | ISO 8296 |
| Coefficient of Friction (Kinetic/Static) | ≤ 0.55 / ≤ 0.50 | ISO 8295 | ISO 8295 |
| Compost Degradation Rate | ≥ 90% (180 days, industrial composting) | EN 13432 | EN 13432 |
| Food Contact Compliance | Passed | EU 10/2011 / FDA 21 CFR | EU 10/2011 / FDA 21 CFR |
This product is tested according to the following international standards: thickness per ISO 4593, density per ISO 1183, tensile properties per ISO 527-3, heat seal strength per ASTM F88, light transmittance and haze per ASTM D1003, gloss per ASTM D2457, water vapor transmission rate per ISO 15106, oxygen transmission rate per ISO 15105, surface tension per ISO 8296, coefficient of friction per ISO 8295, and compost degradation per EN 13432. Food contact compliance refers to EU 10/2011 and FDA 21 CFR.
Bread bag packaging
Pastry box window lamination
Cake box packaging
Biscuit packaging
Baked goods bundling
Other baked food packaging
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