{"id":1626,"date":"2026-07-21T00:49:02","date_gmt":"2026-07-21T00:49:02","guid":{"rendered":"https:\/\/www.haiyidtf.com\/?p=1626"},"modified":"2026-07-21T00:55:09","modified_gmt":"2026-07-21T00:55:09","slug":"large-roll-dtf-film-manufacturer","status":"publish","type":"post","link":"https:\/\/www.haiyidtf.com\/tr\/large-roll-dtf-film-manufacturer\/","title":{"rendered":"Large Roll DTF Film Manufacturer in China | High-Speed Production PET Transfer Film Supplier"},"content":{"rendered":"

Read time: 13 minutes<\/strong><\/p>\n

Introduction<\/h2>\n

What is a large roll DTF film manufacturer? It is a factory that produces industrial-scale PET transfer film rolls \u2014 designed for continuous, high-volume DTF printing operations where replacing small rolls every 30 minutes is not acceptable production practice.<\/p>\n

Large roll DTF film is engineered for industrial DTF printing. Where small rolls (30cm \u00d7 100m) or A3\/A4 sheet format suits desktop operations and low-volume shops, large rolls \u2014 typically 600mm \u00d7 100m, 1200mm \u00d7 4000m, or wider custom formats \u2014 are designed for production facilities running multiple printers in continuous shifts.<\/p>\n

The differences are not merely dimensional. A professional large roll DTF film manufacturer controls the PET substrate selection, coating formula, application technology, thickness tolerance, and batch-to-batch consistency at a level that produces reliable industrial output. Every meter of every roll performs identically. Every batch matches the last.<\/p>\n

This guide covers the complete picture for industrial buyers and distributors sourcing large roll DTF film from China \u2014 specifications, manufacturing process<\/a>, supplier evaluation, OEM options, and how to build a supply relationship that keeps production running.<\/p>\n

\"Large<\/p>\n

What Is Large Roll DTF Film?<\/h2>\n

Large roll DTF film is a coated PET (polyethylene terephthalate) transfer film produced in industrial-scale roll formats \u2014 wider and longer than standard desktop printer rolls \u2014 for use in high-volume, continuous DTF printing operations.<\/p>\n

The Layer Structure<\/h3>\n

Large roll DTF film is a multi-functional composite:<\/p>\n

PET Base Film (BOPET):<\/strong> Biaxially oriented polyethylene terephthalate \u2014 the structural backbone. Provides dimensional stability under heat, excellent tensile strength for high-speed roll-fed production, and the flat, consistent surface required for precision coating application.<\/p>\n

Release Coating:<\/strong> Applied to the print side. Controls how the film separates from the cured adhesive after pressing \u2014 either during warm temperature (hot peel), after full cooling (cold peel), or at any temperature (instant peel). The release chemistry is formulated independently for each peel type variant.<\/p>\n

Ink-Receiving Layer:<\/strong> The primary functional coating that controls ink absorption. Microporous polymer structure (typically polyurethane resin with nano-scale alumina or silica filler) absorbs water-based DTF ink droplets precisely \u2014 controlling lateral spread for sharp detail, and holding color density for accurate reproduction.<\/p>\n

Powder Adhesion Layer:<\/strong> At the printing stage, hot-melt TPU adhesive powder bonds to wet ink surface. The coating’s surface chemistry determines whether powder adheres uniformly in printed areas and stays clear of non-printed areas (controlled by anti-static back coating on dual-matte film).<\/p>\n

How Large Roll DTF Film Works<\/h3>\n

How does large roll DTF film work?<\/strong><\/p>\n

Large roll DTF film provides a stable, continuous printing surface that allows production DTF printers to create high-resolution designs at commercial throughput. The process:<\/p>\n

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  1. The large roll feeds through the DTF printer \u2014 CMYK plus white ink is deposited in sequence onto the coated surface<\/li>\n
  2. Hot-melt adhesive powder is applied immediately to wet ink, then cured at 250 to 280\u00b0F (120 to 140\u00b0C) until smooth and glossy<\/li>\n
  3. The cured transfer roll is stored or cut to individual transfer size<\/li>\n
  4. Transfers are heat-pressed to fabric at 305 to 325\u00b0F (152 to 163\u00b0C) for 10 to 15 seconds<\/li>\n
  5. Film is peeled (cold, hot, or instant depending on variant) \u2014 design remains permanently on the garment<\/li>\n<\/ol>\n

    Why Choose Large Roll DTF Film for Industrial Printing?<\/h2>\n

    Higher Production Efficiency<\/h3>\n

    Small rolls (30cm \u00d7 100m) produce approximately 238 gang sheet lengths before the roll requires changing. At production throughput on a mid-speed DTF printer, a 30cm roll is depleted in 30 to 45 minutes of continuous printing.<\/p>\n

    Each roll change requires: stopping the printer, removing the depleted core, loading the new roll, threading the film path, running calibration, and restarting. In a one-shift operation, this happens 10 to 16 times per day. Each changeover takes 5 to 10 minutes.<\/p>\n

    Daily downtime from roll changes on 30cm format: 50 to 160 minutes.<\/strong><\/p>\n

    Large roll format (600mm \u00d7 100m or wider):<\/p>\n