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                                      Archival Grade DuraLar? Polyester Film

                                      It may be a digital world, but there’s still a lot of stuff on paper, and that’s where DuraLar Archival Film is needed!

                                      Archival grade DuraLar polyester film is a high clarity polymer film base specifically for use in the encapsulation of paper artifacts, and document conservation. At Grafix Plastics, we follow the strict guidelines set forth by the Library of Congress to bring you an archival film that is optimal for historical document preservation and encapsulation. Further, archival grade DuraLar can be welded to itself with many of the ultrasonic welding devices used in the field.

                                      We also offer branded archival polyester film such as MelinexTM 516 (Mylar? D replacement), HostaphanTM 4TLM, and other Library of Congress approved archival films.

                                       

                                      Features


                                      Features of Archival DuraLar

                                      • Archival Quality
                                      • Dimensional Stability
                                      • Ultra High Clarity
                                      • Sealable on Ultrasonic Welders
                                      • PH Neutral
                                      • Non-yellowing
                                      • Heat Resistance up to 200°C
                                      • Great electrical resistance
                                      • Good tensile strength
                                      • Tear Resistance

                                      Stock


                                      Thicknesses of Stocked Archival DuraLar:

                                        Stock:

                                      • .003″/75um
                                      • .004″/100um
                                      • .005″/125um
                                        Custom Order:

                                      • .001″/25um
                                      • .002″/50um
                                      • .007″/175um
                                      • .010″/250um

                                      ** All sheets, rolls, and packs of Archival DuraLar are cut to order, and not kept in stock.

                                      All our DuraLar films, including archival film, can be slit to width, rolled to length, or cut to size. ?Check out our extensive converting services pages for a full range of converting options for our DuraLar products.

                                      This, coupled with our ability to provide you this material in your specified size/format, allow this product to be a powerful tool and any conservator’s tool box.

                                      Specs

                                      Properties are based on?.001″/24um Archival?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%
                                      Haze<1%
                                      Refractive Index1.65RI
                                      Chemical Properties
                                      Resistance by Class
                                      AcidsGood
                                      BasesGood
                                      SolventsExcellent
                                      DetergentsExcellent
                                      OilsGood
                                      Permeability
                                      Water Vapor0.1g/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

                                      Safety


                                      • DEHP, DBP and BBP free. Contact us for more details
                                      • RoHS Compliant
                                      • Meets MilSpec L-P-377C Type 1-3


                                      Our experts are ready to help make your job easy! Please contact us with your requirements today by clicking the?Start An Inquiry?button.


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