HP Backlit Polyester Film achieves superb ink adhesion to produce razor-sharp images. With HP Latex Ink compatibility, this film produces prints you can laminate right off the printer. And with the competitive price and reliable, trouble-free performance you expect of HP, the potential for your business is also impressive. HP Backlit Polyester Film achieves superb ink adhesion to produce razor-sharp images. With HP Latex Ink compatibility, this film produces prints you can laminate right off the printer. And with the competitive price and reliable, trouble-free performance you expect of HP, the potential for your business is also impressive. Printing Material Specifications Core Size, US: 3 in Brightness: Not Tested Weight, US: 19 Weight, Metric: 275 g/m2 per ISO 536 Test Method Thickness: 220 microns/8.7 mil per ISO 534 Test Method (2 mil aqueous inkjet receptive coating / 6.7 mil polyester base) Opacity: -80% per TAPPI T425 Whiteness: 87.5 ± 4 per ISO11475 Country of Origin: Product of Korea Gloss Level: -5 at 60° per ISO 2813 Finishing/Post Processing Printing Material Lamination: Yes, hot and cold. When hot lamination is being used it is recommended to encapsulate. Operating conditions Operating Temperature Range, Celsius: 15 to 30°C Operating Temperature Range, Fahrenheit: 59 to 86°F Operating Humidity: 20 to 80% RH Printing Material Dry Time: Instant Printing Material Shelf Life: 2 years, unopened in original packaging Dimension and Weight Weight, U. S, Package: 19.62 lb Weight, Metric, Package: 8.9 kg Warranty Warranty Features_ HP large format printing materials are free from defects in materials and workmanship. For warranty statement please see //www. globalBMG. com/hp/MediaWarranties.