

Gunold
Gunold BSN I- Iron press
GBSNI
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Heat-N'-Sealâ„¢ Iron-On Bonding Film
Iron-on instead of sewing: BSN™ thermo-foil creates a permanent bond for patches, badges, and emblems—edges, borders, and all! Simply iron or heat-press the entire back of your embroidery to seal it in place forever.
Available in two versions:
• Type I – Heat press (washable up to 60 °C, chemical cleaning OK, iron-safe)
• Type H – Household iron application
Ideal for heat-seal appliqués, patches, and emblems on a wide variety of fabrics and rigid substrates.
Pickup available
In stock at
Canberra Warehouse
Usage Tips
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Coating the Emblem:
Place the reverse side of your patch on the foil side of BSN™ with release paper and trim—with about 3 mm extra.
• Type I: Heat-press at 170 °C for 5 s.
• Type H: Iron (3 points) for 5 s.
Peel off release paper and fold back excess for stronger edges. -
Applying to Garments:
Pre-iron the garment to remove finishes. Position the coated patch, then:
• Type I: Heat-press (medium pressure) at 170 °C for 15 s.
• Type H: Iron (3 points) for 20–25 s, then repeat on garment back for full adhesion.
Note: Test your settings—pressure, temperature, time—for best results. Full bond strength develops after 48 hours.
Download BSNâ„¢ Resources
Access the Material Safety Data and Usage Guidelines for Gunold Heat-N'-Sealâ„¢ (BSNâ„¢) film below.
MSDS Information Sheet 📄 Usage Guideline Sheet 📘