Chevron Phillips Marlex 5755 LDPE Resin

Physical Properties

• Density: Measured in accordance with ASTM D1505 standard, the density is 0.925 g/cc (0.0334 lb/in³).
• Water Vapor Transmission: Determined via ASTM F1249 standard, the water vapor transmission rate is 15.5 g/m²/day (0.998 g/100 in²/day).
• Oxygen Transmission Rate: Tested per ASTM D3985 standard, the oxygen transmission rate is 6000 cc/m²/day (386 cc/100 in²/day).
• Melt Flow: As per ASTM D1238 standard, at a temperature of 190 °C (374 °F) under a load of 2.16 kg (4.76 lb), the melt flow rate is 0.80 g/10 min.
• Antiblock Level: The concentration of antiblock additive is 3000 ppm.

Polymer Properties:

• Base Material: Low Density Polyethylene (LDPE)
• Modification Features:
  
  • Optimized for blown film with superb optics (low haze, high gloss).
  • Enhances printability for retail packaging and label films.
  • High transparency for greenhouse covers maximizing light transmission.

Applications:

Given these properties, Marlex® 5755 is primarily used in the following applications:

• Bags and Liners: The resin’s toughness and puncture resistance make it suitable for industrial bags, garbage bags, and various liners.
• Packaging Films: It is widely used for general-purpose packaging, including food packaging, where its clarity and sealability are valuable.
• Produce Bags: The film’s toughness and clarity are ideal for manufacturing fresh produce bags for grocery stores.
• Shrink Film and Overwrap: It can be used for shrink film applications where a combination of strength and sealability is required.