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Polyester Film Features and Benefits

Biaxially oriented PET film (BOPET) is used successfully in a wide range of applications, due to its excellent combination of optical, physical, mechanical, thermal, and chemical properties, as well as its unique versatility.

• Optically brilliant, clear appearance
  
• Unequaled mechanical strength and toughness
• Excellent dielectric properties
  
• Good flatness and coefficient of friction (COF)
  
• Tear-resistant and puncture-resistant characteristics
  
• Wide range of thicknesses-as thin as 1 micron up to 350 micron
  
• Excellent dimensional stability over a wide range of temperatures
  
• Very good resistance to most common solvents, moisture, oil, and grease
  
• Excellent barrier against a wide range of gases

PET film can also be modified:

• from extremely low shrinkage (<0.1%) to as high as about 75%-in any direction;
  
• with pigments and fillers into a wide range of colors, haze, translucency, or opacity; and
  
• to change surface textures from very smooth to any desired roughness.

A wide range of chemical treatments (in addition to corona) can be applied to PET film during its manufacture to help it adhere to various coatings, such as inks, adhesives, metalization, etc. Surface treatments can also be applied to incorporate properties like surface-slip and anti-static. Yet another approach is coextrusion, where different polyester layers are combined to obtain properties like built-in heat sealability, rough surface with high clarity, etc.

In addition to its versatility in properties and applications, PET film is
also among the most environmentally friendly materials offered.
Hundreds of film grades are currently available to meet your needs.