Chevron Phillips Marlex 4517 LDPE Resin

Physical Properties

• Density: Measured by ASTM D1505, the density is 0.923 g/cc (0.0333 lb/in³), indicating a lightweight profile suitable for flexible packaging applications.
• Water Vapor Transmission: At 18.0 g/m²/day (1.16 g/100 in²/day) per ASTM F1249, it reflects moderate moisture barrier performance for product protection.
• Oxygen Transmission Rate: Per ASTM D3985 (blown film), oxygen transmission rate is 7200 cc/m²/day (464 cc/100 in²/day)
• Melt Flow: As per ASTM D1238, the melt flow rate is 5.1 g/10 min at 190°C (374°F) under 2.16 kg (4.76 lb), enabling efficient film extrusion or sheet molding.

Polymer Properties:

• Base Material: Low Density Polyethylene (LDPE)
• Modification Features:
  
  • Tailored specifically for extrusion coating applications to ensure compatibility with diverse substrates.
  • Enhances moisture barrier and heat-sealing in packaging applications.
  • Ensures compatibility with diverse substrates in industrial uses.

Applications:

• Paper & Board Coating: Enhances moisture resistance and durability for packaging materials like cereal boxes or beverage cartons via smooth extrusion coating.
• Flexible Packaging Laminates: Forms heat-sealable layers in multi-material pouches for snacks or liquids, ensuring efficient processing and seal integrity.
• Industrial Coating Applications: Coats textiles or metals for corrosion protection or weather resistance, leveraging its easy processability in high-speed production lines.