Dietzgen 494 / 1394 4 mil Double Matte Engineering Drafting Film 30" x 150', 3" Core, 1 Roll/Box The Dietzgen 494 / 1394 Double Matte Engineering Drafting Film is a premium 4 mil polyester (PET) drafting film engineered for durable CAD drawings, architectural plans, engineering documents, GIS mapping, and archival technical records. Its double matte surface provides outstanding toner adhesion, exceptional line acuity, and excellent image clarity while offering superior tear resistance, water resistance, and dimensional stability. Specially formulated to minimize shrinkage, distortion, and static generated by large-format copiers and printers, this archival-quality film also allows pencil and ink markups to be added and erased with ease. Key Features 30" x 150' roll, 3" core, 1 Roll/Box 4 mil double matte polyester (PET) drafting film Excellent toner adhesion with crisp lines and outstanding image clarity Tear-resistant, water-resistant, and dimensionally stable for repeated handling Resists yellowing, fading, shrinkage, distortion, and static buildup Pencil and ink markups can be added and cleanly erased Ideal for archival engineering drawings, overlays, and reproducible originals Ideal For Ideal for architects, engineers, surveyors, GIS professionals, government agencies, reprographic departments, and commercial print providers producing archival CAD drawings, engineering plans, technical overlays, reproducible originals, and long-term project documentation requiring maximum durability and dimensional stability.