Clear DuraLar™ Polyester Film

The overall majority of film we sell is Clear DuraLar.  Clear DuraLar is a general purpose high clarity polyester film product line available in a range of thicknesses, and sizes, that provides a high performance, high clarity film at an attractive price point.

This product is well suited for a very diverse range of industrial applications, where a high clarity film is needed.


Features of DuraLar

  • Archival Quality
  • Dimensional Stability
  • Lay Flat
  • Chemical Resistance
  • Consistent Color
  • High Clarity
  • Non-yellowing
  • Heat Resistance up to 200°C
  • Great electrical resistance
  • Good tensile strength
  • Tear Resistance


Available Surface Treatments

Factory Treatments

  • Slip Treated
  • Adhesion Treated
  • Anti-Static
  • Wed Media Treated
  • Plain

Post Coatings

  • Hard Coatings
  • Digital Print
  • Adhesive
  • Laser Release

Note: Specific types of DuraLar can result in specific minimum quantity orders.


Looking for something fast? We always have Clear DuraLar in stock!

Raw material sizes

Master Stock:


S=Stock item
C=Custom order (may result in min. order quants.)

Finished goods stock sizes


Wet Media


20" x 12'
20" x 25'
20" x 50'
20" x 100'
27" x 12'
27" x 25'
27" x 50'
27" x 100'
40" x 12'
40" x 25'
40" x 50'
40" x 100'
50" x 12'
50" x 25'
50" x 50'
50" x 100'
54" x 12'
54" x 25'
5"n x 50'
54in x 100'
Wet Media


Wet Media


Properties are based on .001″/24um general use Duralar polyester film. Properties of other gauges and finishes of DuraLar polyester film can vary.

General DuraLar Spec Sheet

Film PropertyValueUnitsTest Method
Physical Properties
Tensile Strength (MD)28,000psiASTM D 882
Tensile Strength (TD)34,000psiASTM D 882
Strength Elongation MD15,000psiASTM D 882
Strength F-5 TD14,000psiASTM D 882
Modulus MD710,000psiASTM D 882
Modulus TD740,000psiASTM D 882
Elongation MD115%ASTM D 882
Elongation TD92%ASTM D 882
Density1.39g/ccASTM D 1505
Viscosity0.56dL/gASTM D 4603
Electrical Properties
Dielectric Strength
AC, 20°C, .00092"7,000volts/milASTM D 149-64
Dielectric Constant
25°C, 1 kHz3.2ASTM D150-81
Dissipation Factor
25°C, 1 kHz0.005ASTM D150-65
Volume Resistivity 25°C1.00E+19ohm-cmASTM D257-78
Corona Threshold425V-ACASTM D2275-80
Thermal Properties
Melt Point200
Service Temperature Range -70-150C
Dimensional Stability
at 105° MD0.6%Measured Shrinkage
at 105° TD0.9%Measured Shrinkage
at 150° MD1.8%Measured Shrinkage
at 150° TD1.1%Measured Shrinkage
Specific Heat0.28
Thermal Expansion1.7x10-5ASTM D 696
Optical Properties
Transmission Visible> 88%
Transmission Near IR>80%
Refractive Index1.65RI
Chemical Properties
Resistance by Class
Water Vapor 0.1g/100 in2/24hr.ASTM E-96
Carbon Dioxide16g/100 in2/24hr.ASTM D1434-58
Moisture Absorption<.8%ASTM D-570-63
Stain ResistanceMost Household Agents & Chemicals
Table from Product Spec Sheet XLS

For more specific questions regarding DuraLar Film, please contact your sales representative today!

Important Notice:  Grafix makes no warranties, express or implied, including but not limited to any implied warranty of merchantability of fitness for a particular purpose.  The user is responsible for determining whether the Grafix product is fit for a particular purpose and suitable for the user’s method of application.  Please remember that many factors can affect the use and performance of a Grafix Plastics film product in a particular application.  Given the variety of factors that can affect the use and performance of a Grafix product, some of which are uniquely within the user’s knowledge and control, it is essential that the user evaluate the Grafix product to determine whether it is fit for a particular purpose and suitable for the user’s method of application.
Limitation of Remedies and Liability:  If the Grafix product is proven to be defective, THE EXCLUSIVE REMEDY, AT GRAFIX’S OPTION, SHALL BE TO REFUND THE PURCHASE PRICE OF OR TO REPAIR OR REPLACE THE DEFECTIVE GRAFIX PRODUCT. Grafix shall not otherwise be liable for loss or damages, whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including, but not limited to, contract, negligence, warranty or strict liability.


  • DEHP, DBP and BBP free. Contact us for more details
  • RoHS Compliant
  • Meets MilSpec L-P-377C, types 1-4

Our experts are ready to help make your job easy! Please contact us with your requirements today by starting an inquiry.