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Master Bond adhesives
DuPont Teijin Films Mylar® OB12 Polyester Packaging Film, 50 Gauge
Categories: Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film

Material Notes: Data provided by DuPont Packaging Polymers.

Mylar® OB12 is a biaxially oriented polyester (OPET) film with an amorphous polyester heat seal layer and polyvinylidene chloride (PVDC) layer on the opposite side of the film from the heat seal layer. Mylar® OB12 is essentially Mylar® OL12 with a barrier layer. Mylar® OB12 is dual ovenable film which provides strong, aggressive seals to polar substrates such as amorphous polyester (APET, also PETG), semicrystalline polyester (CPET), polyester coated paperboard, and polyvinylchloride (PVC). Mylar® OB12 does not seal to polyethylene, polypropylene, or polystyrene. DuPont Teijin Films offers another family of lidding films (RB types) for sealing to these substrates.

Mylar® OB12 has higher hot tack and a thicker seal layer than either Mylar® OB02 or OL2, and can be used in hot fill applications. It is not recommended for applications requiring retort sterilization. Mylar® OB12 lidding films have excellent grease and oil resistance. Heat seals produced with Mylar® OB12 are stronger than with Mylar® OL2 and may be difficult to peel without shredding at any gauge. Mylar® OB12 is recommended for applications needing a lidding film which heat seals like Mylar® OL12, but with much lower permeability to gases (oxygen, carbon dioxide) and moisture.

Vendors:
Available Properties
  • Density, Calculated from nominal thickness and yield
  • Moisture Vapor Transmission, ASTM E96, Proc. E
  • Oxygen Transmission, Tested per ASTM D3985 at 22°C
  • Thickness
  • Film Elongation at Break, MD, ASTM D882
  • Film Elongation at Break, TD, ASTM D882
  • Secant Modulus, Stiffness Modulus; ASTM D882
  • Tear Strength Test, lb Graves; ASTM D1004
  • Film Tensile Strength at Break, MD, ASTM D882
  • Film Tensile Strength at Break, TD, ASTM D882
  • Maximum Service Temperature, Air
  • Minimum Service Temperature, Air
  
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Manufacturer Notes:
DuPont Teijin Films

Category Notes
Plastic

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