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| Brand Name: | XIANZI |
| Model Number: | pla |
| MOQ: | 500kg |
| Price: | 9.0-12.0usd/kg |
| Payment Terms: | T/T |
| Supply Ability: | 2200 ton/month |
PLA Heat Seal Film for Food Packaging Compostable 20-40μm High Clarity
This PLA heat seal film is made from corn-based polylactic acid (PLA) through multi-layer co-extrusion or biaxial orientation. The film offers high transparency, good gloss, and excellent heat seal performance, suitable for food packaging, fresh produce wrapping, and paperboard window lamination. It is certified compostable to EN 13432 and ASTM D6400 and complies with FDA 21 CFR and EU 10/2011 for food contact. 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 | 20 – 40 μm (standard 25 / 30 μm) | ASTM D374 | ASTM D374 |
| Density | 1.24 – 1.26 g/cm³ | ASTM D792 | ASTM D792 |
| Tensile Strength (MD/TD) | ≥ 50 / 60 MPa | ASTM D882 | ASTM D882 |
| Elongation at Break (MD/TD) | 80 – 120% / 70 – 110% | ASTM D882 | ASTM D882 |
| Heat Seal Strength | ≥ 4.0 N/15mm | ASTM F88 | ASTM F88 |
| Heat Seal Temperature Range | 85 – 135°C | In-house method | In-house method |
| Light Transmittance | ≥ 92% | ASTM D1003 | ASTM D1003 |
| Haze | ≤ 1.0% | ASTM D1003 | ASTM D1003 |
| Gloss (45°) | ≥ 80 GU | ASTM D2457 | ASTM D2457 |
| Water Vapor Transmission Rate | ≤ 5.0 g/(m²·24h) (38°C, 90%RH) | ASTM E398 | ASTM E398 |
| Oxygen Transmission Rate | ≤ 10.0 cm³/(m²·24h·atm) (23°C, 50%RH) | ASTM D3985 | ASTM D3985 |
| Surface Tension | ≥ 36 mN/m | ASTM D2578 | ASTM D2578 |
| Coefficient of Friction (Kinetic/Static) | ≤ 0.60 / ≤ 0.55 | ASTM D1894 | ASTM D1894 |
| Compost Degradation Rate | ≥ 90% (180 days, industrial composting) | ASTM D6400 / EN 13432 | ASTM D6400 / EN 13432 |
| Food Contact Compliance | Passed | FDA 21 CFR / EU 10/2011 | FDA 21 CFR / EU 10/2011 |
This product is tested according to the following international standards: thickness per ASTM D374, density per ASTM D792, tensile properties per ASTM D882, heat seal strength per ASTM F88, light transmittance and haze per ASTM D1003, gloss per ASTM D2457, water vapor transmission rate per ASTM E398, oxygen transmission rate per ASTM D3985, surface tension per ASTM D2578, coefficient of friction per ASTM D1894, and compost degradation per ASTM D6400 and EN 13432. Food contact compliance refers to FDA 21 CFR and EU 10/2011.
Food packaging bags
Fresh produce packaging
Paperboard window lamination
Single-use catering packaging
Flower packaging
Stationery and apparel packaging bags
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