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Low Melt Blocker Transfers
Low Melt Blocker Transfers – Colorfast Printing on Sublimated Polyester Without Heat Issues
The ultimate combination: low temperature + protection against dye migration.
Sublimated garments look fantastic but are notoriously difficult to print. When you press too hot, the color from the fabric “bleeds” into your transfer, resulting in pink logos or yellowed prints. At the same time, polyester is often sensitive to heat.
The Low Melt Blocker Transfer is specially developed for these situations. It protects against dye migration and bonds securely to delicate fabrics – all at a safe, low temperature. The ideal transfer for polyester sports shirts, teamwear, and high-performance garments.
Why Choose TTF Low Melt Blocker Transfers?
- 🛡️ Blocks dye migration (sublimation): Your print stays exactly as intended
- 🔥 Press at low temperature (130–140°C): No scorching or distortion
- 🧼 Up to 70 washes at 40°C – still colorfast after repeated use
- 🎯 Designed for sportswear, teamwear, and functional garments
- 🛠️ Hot peel technology – fast processing, professional results
Technical Specifications
|
Property |
Value |
|
Materials |
Sublimated polyester, light polyester, blends |
|
Press Temperature |
130–140°C / 12–15 sec |
|
Pressure |
8–9 (Hotronix) / 40–50 PSI (pneumatisch) |
|
Peel |
Hot peel – remove immediately |
|
Washability |
Up to 40°C, 70+ washes |
|
Blocker Layer |
Active color-absorbing layer (carbon-based) |
|
Not Suitable For |
Nylon, softshell, stretch/elastane, waterproof coatings |
Ideal Applications
- Sublimated sports shirts and teamwear
- Polyester training suits or competition apparel
- Functional workwear made from lightweight polyester
- Track, cycling, or soccer jerseys
- Production runs on color-sensitive substrates (e.g., red, navy, fluorescent)
Why Your Customers Choose Low Melt Blocker
- No color fading or bleeding
- Perfect prints on demanding sports materials
- Fewer returns, more satisfied customers
- Professional results on tricky fabrics
How Does It Work?
Low Melt Blocker uses an advanced carbon powder layer that captures dye pigments from the fabric before they reach the transfer. As a result, your white or light print stays:
- Sharp
- Colorfast
- Professional – even after weeks and multiple washes
And because the transfer is applied at just 130–140°C, it prevents damage to sensitive materials.
Press Instructions
- Pre-press: 3–5 sec if desired (to smooth)
- Press: 130–140°C – 12–15 sec
- Peel: Immediately after pressing (hot peel)
- Post-press: 2–4 sec for extra bonding
💡 Always test on unknown fabrics with a sample transfer.
Note on Material Choice
Not Suitable For:
- Nylon or coated fabrics → use Promo Transfers
- Softshell or elastane → use Softshell Transfer
- Standard polyester without sublimation → use Low Melt or Wearable Transfers
In short: The Low Melt Blocker Transfer is the only right choice when you want to print sublimated polyester safely, sharply, and colorfast. Perfect for sports, promotional, and performance apparel where mistakes are not an option.
