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DuPont Teijin Films Mylar® RL32T Polyester Packaging Film, 75 Gauge

 

Subcategory: Polyester, TP; Thermoplastic; Polymer

Key Words: DuPont Packaging Polymers

Material Notes:
Data provided by DuPont Packaging Polymers.

Mylar® RL32T 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® RL32T is designed to seal 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® RL32T has the same type heat seal layer as Mylar® RL31T, but the thickness of the heat seal layer and the heat seal strengths of Mylar® RL32T are intermediate between Mylar® RL31T and Mylar® RL33T. Mylar® RL32T and Mylar® RL4 produce similar heat seal strengths to most substrates, but Mylar® RL32T has a greater tendency to produce tearing seals while Mylar® RL4 tends to produce more peelable seals. Like Mylar® RL31T, Mylar® RL32T 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® RL32T has corona treatment (on the opposite side of film from the heat seal layer) to enhance printing and laminating. This film type is marketed by DuPont Teijin Films as Mylar® RL32T. 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
  
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