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Amorphous molecular structure ensures exceptional clarity and transparency in finished products.
High compatibility with polycarbonate (PC) and polyacrylate resins enables seamless alloy formulation.
Low melt viscosity facilitates easy processing via extrusion, injection molding, and film casting.
Excellent thermal stability supports processing at temperatures up to 260 °C without premature degradation.
Hydrolysis-resistant backbone enhances long-term performance in humid and elevated-temperature environments.
Optical-grade transparent films for touch panel overlays and display protection layers.
High-clarity light guide plates (LGPs) for LED-backlit signage and automotive interior lighting.
Transparent engineering components requiring dimensional stability and UV resistance.
Co-extruded multilayer structures for barrier packaging requiring optical neutrality and stiffness.
Substrate material for high-performance anti-reflective and hard-coat functional laminates.
| Chemical Type | Non-crystalline aromatic polyester |
| Product Form | Pellets |
| Appearance | Translucent off-white granules |
| Glass Transition Temperature (Tg) | 138–142 °C (DSC, 10 °C/min) |
| Melt Flow Rate (MFR) | 12–16 g/10 min (250 °C, 2.16 kg) |
| Moisture Content (as received) | ≤0.05 wt% |
| Density | 1.28–1.30 g/cm³ |
| Primary Applications | Optical films, light guide plates, transparent structural parts |
Q1: What distinguishes YLON 500 from conventional crystalline polyester resins?
A: YLON 500 is a non-crystalline (amorphous) polyester resin, offering superior clarity, uniform melt behavior, and enhanced compatibility with diverse polymer matrices compared to crystalline alternatives. Its lack of long-range molecular order eliminates haze formation and supports consistent processing in demanding applications such as high-gloss coatings and transparent composites.
Q2: Is YLON 500 suitable for food-contact or pharmaceutical packaging applications?
A: YLON 500 is designed for industrial and functional use in coatings, adhesives, and composite systems. While it complies with general good manufacturing practices, formal regulatory clearance for direct food contact or pharmaceutical packaging requires evaluation within the final formulation and end-use configuration by the responsible party.
Q3: How does YLON 500 perform under thermal processing conditions?
A: As a non-crystalline polyester, YLON 500 exhibits a broad, well-defined glass transition temperature (Tg) rather than a sharp melting point. This enables stable melt viscosity over a practical processing window and reduces the risk of premature crystallization during extrusion, calendering, or coating operations.
Q4: What solvents or reactive diluents are commonly compatible with YLON 500?
A: YLON 500 demonstrates good solubility in common aromatic and ketonic solvents (e.g., xylene, methyl ethyl ketone), as well as select esters and glycol ethers. Compatibility with reactive diluents—such as low-viscosity acrylates or vinyl monomers—should be verified experimentally, as reactivity and phase stability depend on specific formulation chemistry.
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E-mail: wangxingqiang@ericwchem.com
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