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Custom Iron On Patches for Clothes: A B2B Guide to Heat-Seal Backing, Fabric Fit and Wash Durability (Video)

This 60-second video sums up the buying guide. The full article covers the details and sources.

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Video transcript

  1. 0:00Most iron-on failures start at the garment.
  2. 0:05Heat-seal is a thermoplastic film: heat and pressure let it flow between yarns, gripping fibres as it cools. Porosity decides the bond.
  3. 0:16Cotton, twill and denim bond well. Fleece, knits and caps need testing. Nylon, coated shells, wool and leather need sewing or hook-and-loop.
  4. 0:27Heat that bonds can release: hot washes re-soften the film and flexing peels the edges. Industrial laundry needs a stitch. Test on the real garment.
  5. 0:38Lock the press: a settings card per garment, platen checked edge to edge, pre-press, fixture, cover sheet, cool before stacking, first-piece peel test.
  6. 0:50On uniforms, press for placement, stitch for durability.
  7. 0:55Send fabrics, laundering and quantity for a backing quote.

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