Multi-Layer Transparent Composite Film UV Resistance Customizable Thickness 50-200μm
Product Attributes
| Attribute |
Description |
Reference |
| Material Composition |
Multi-layer coextruded structure (e.g., PET/PE/PA, PET/EVA, or PA/EVOH/PE) with UV-absorbing/reflective additives (e.g., benzotriazole derivatives, inorganic nanoparticles). |
6 7 8 |
| UV Resistance |
Blocks >99% of UV radiation (300-400 nm); maintains optical/mechanical properties after 2,000+ hours of UV exposure. Additives include red-shifted UVA (e.g., CGL-0139) for long-wave UV blocking. |
6 7 8 |
| Optical Properties |
- Transmittance: >90% (visible light, 380 -780 nm)
- Haze: <5%
- Gloss: ≥85% (60° angle)
|
3 8 |
| Barrier Properties |
- OTR: ≤5 cm³/m²*day (23°C, 0% RH)
- WVTR: ≤2 g/m²*day (38°C, 90% RH)
|
2 3 |
| Mechanical Strength |
- Tensile Strength: ≥120 MPa (MD), ≥100 MPa (TD)
- Elongation at Break: ≥80%
- Puncture Resistance: ≥25 N
|
2 10 |
| Thermal Stability |
Withstands -40 °C to 180°C; suitable for retorting (121°C sterilization) and freezing. |
3 10 |
| Safety & Compliance |
Complies with FDA 21 CFR, EU 10/2011, RoHS, and REACH for food/medical contact. |
7 8 |
| Processing Features |
- Heat Sealability: 120-180°C (compatible with VFFS/HFFS machines)
- Printability: Corona-treated surface for high-resolution flexo/gravure printing
|
6 10 |
Product Specifications
| Parameter |
Specification |
Reference |
| Thickness |
50-200 μm (customizable; tolerance ±5 μm); UV-blocking layer: 0.5-5 μm |
6 10 |
| Width |
200-1,500 mm (extendable to 3,000 mm for industrial rolls) |
10 |
| Roll Dimensions |
- Core Size: 3" (76 mm) or 6" (152 mm)
- Max. Roll Weight: 150 kg
|
10 |
| Physical Properties |
- Density: 1.2-1.4 g/cm³
- Shrinkage: ≤1.5% (100°C, 30 min)
- Surface Energy: ≥38 dyne/cm
|
3 10 |
| UV Resistance Metrics |
- UV Blocking Efficiency: >99% (300-400 nm)
- Accelerated Weathering Life: 2-5 years (ISO 4892)
|
6 7 |
| Functional Additives |
Optional: Anti-fog (contact angle <10°), anti-static (surface resistivity ≤10¹¹ Ω/sq), or EMI shielding (transparency >50%, SE ~40 dB) |
2 8 |
| Sustainability |
- Recyclability: Mono-material PE/PP variants for single-stream recycling
- Biodegradable Options: PLA/PHA-based composites (ASTM D6400)
|
3 8 |
| Supply Parameters |
- MOQ: 500 kg
- Lead Time: 15-30 days
- Packaging: Moisture-proof EPE-foamed cartons
|
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