Polyester Film

Polyester Film is Widely Used For:

  • Control panels, touch pads, and
    membrane switch overlays
  • Labels
  • Flexible packaging
  • Nameplates
  • Electrical insulation
  • Shims, spacers, gaskets
  • Industrial laminates
  • Face shields

Performance Characteristics:

  • Strong and stiff
  • Dimensionally stable
  • Transparent
  • Good chemical resistance

Common Brands:

  • Skyrol®
  • Mylar®
  • Melinex®

Polyester Film

Strong, transparent, dimensionally stable plastic films with outstanding chemical resistance

Biaxially oriented polyester films have outstanding mechanical strength, dimensional stability, transparency and chemical resistance. They are available in many different grades and they are used for a wide range of applications. Polyester film is sold in rolls or cases of 100 individual sheets.

Shop for Polyester Film


SHEET Dimensions:
24 in x 48 in
0.001 in – 0.014 in
ROLLS Available in custom widths and lengths
COLOR Clear, Natural, White, Hazy
GRADES Print Treated 2 Sides, Slip Treated 2 Sides, Hardcoat 1 Side, Untreated

Length, width, thickness, and diameter tolerances vary by size, manufacturer, brand, and grade. Custom sizes are available upon request.

Polyester Film Properties and Material Options

General purpose polyester films– including Skyrol® SR50, SR53, and SG00 and Garfilm EM6 have excellent mechanical properties, dielectric strength, and dimensional stability, as well as low water absorption, and good resistance to most chemicals. These general purpose films are often used for industrial laminates and electric motor and cable insulation.

Print treated polyester films– including Skyrol® SH22, SH82, V5400, and SW84G are print-grade polyester films that have enhanced adhesion to inks and adhesives. They are used for printing and solvent-based coating applications. These films are often specified for printed labels, masking applications, engineering drawings, and face shields.

Slip treated polyester film– Skyrol® SH72S is an optically clear, two side slip treated polyester film with high clarity and gloss, good dimensional stability, and excellent handling characteristics. SH72S is used for flexible packaging, face shields, spacers, gaskets, and carrier film applicaitons.

Hard coated polyester films– including Flexiber UV01 and Flexiber MP01APM have UV-cured hard surface coatings that give them excellent scratch resistance. These materials have a smooth surface on one side and an anti-glare surface on the reverse side. These films are used in automotive applications, membrane switch overlays, appliances, nameplates, and touchscreens.

Tech Tip– Although biaxially oriented polyester films have excellent resistance to many industrial chemicals, they tend to become brittle when exposed to hot water and steam.

Curbell offers conversion services which include:

  • Die cutting
  • Sheeting
  • Guillotining
  • Slitting
  • Rewinding
  • Interleaving
  • Tipping
  • Masking
  • Spooling
  • Laminating


Typical properties of POLYESTER FILM
Tensile strength psi MD
(KG/mm2 TD)
ASTM D882 28,000 (20)
30,000 (21)
Tensile modulus of elasticity psi ASTM D882 430,000
Elongation at break % MD
ASTM D882 140
Haze   ASTM D1003 1.5
Light trasmission %
ASTM D1003 93
Gloss   ASTM D523 185
Heat shrinkage % MD
SKC Method
(150°C x 30 min)

Values may vary according to brand name. Please ask your Curbell Plastics representative for more specific information about an individual brand.

Unit correlation: 
Gauge = μ/0.254 
psi = Kg/mm2×1422.3 

Explore the physical, mechanical, thermal, electrical, and optical properties of polyester film.

Sort, compare, and find the plastic material suited for your application using our interactive properties table.