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DuPont Teijin Films Mylar® RL51T Polyester Packaging Film, 50 Gauge

 

Subcategory: Polyester, TP; Thermoplastic; Polymer

Key Words: DuPont Packaging Polymers

Material Notes:
Data provided by DuPont Packaging Polymers.

Mylar® RL51T is a biaxially oriented polyester (OPET) film with an ethylene vinyl acetate (EVA) heat seal layer. It is used as a heat sealable lidding film in packaging frozen and refrigerated foods. Mylar® RL51T is designed to produce good, generally strippable heat seals to a broad range of container substrates including amorphous polyester (APET, also PETG), semicrystalline polyester (CPET), polyester coated paperboard, polyvinylchloride (PVC), polyethylene (HDPE), polypropylene (PP), and polystyrene (HIPS).

Mylar® RL51T produces seals which are more ductile under refrigerated or frozen conditions versus seals made by Mylar® RL31 and generally seals better to polystyrene containers than Mylar® RL31. Mylar® RL51T has a lower seal initiation temperature than lidding films with an amorphous polyester heat seal layer (e.g., Mylar® OL, OL2). This allows good seals to be made at higher line speeds (or using lower sealing temperatures.

Mylar® RL51T has corona treatment (on the opposite side of film from the heat seal layer) to enhance printing and laminating. The film is treated to an initial dyne level of 54. The dyne level of treated lidding films may decline with storage, and in-line corona treatment may be required during subsequent printing or laminating to increase the dyne level to a value adequate to get desired ink or laminate adhesion.

Available Properties
  • Density
  • Moisture Vapor Transmission
  • Oxygen Transmission
  • Film Tensile Strength at Break, MD
  • Film Tensile Strength at Break, TD
  • Film Elongation at Break, MD
  • Film Elongation at Break, TD
  • Secant Modulus
  • Tear Strength Test
  • Maximum Service Temperature, Air
  • Minimum Service Temperature, Air
  • Processing Temperature
  
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