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Specialty Materials SUBLIBLOCK Heat Transfer Vinyl - 15" x 5 yd

Item# SM-SB-5
OUR PRICE: $57.19
List Price: $68.63

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Subliblock™ is the solution to stop dye migration. Many of today's imported polyester fabrics are colored with inexpensive low energy dyes that migrate rapidly into attached polymeric material with the application of minimal heat, or slowly over time at normal room temperature. Subliblock™ films are designed with an additional layer to prevent dye migrating or “bleeding” through your transfer image from the dyed polyester fabrics.



  • Adheres to: cotton, uncoated polyester, fabric blends, lycra, wool & linen

  • Transfers at 320-330°F for 17-20 seconds

  • Recommended 45° blade


Application and care:

  • Peel WARM

  • Firm to hard, even pressure

  • Wash with normal settings

  • Does not adhere to Nylon


Specialty Materials Logo






Adheres to:
  • Cotton
  • Uncoated Polyester
  • Fabric Blends
  • Lycra
  • Wool 
  • Linen

Blade: 45°

Composition: PU

Time: 8 - 10 Sec.

Temp: 320 - 330°F (160°C)

Pressure: Firm to hard pressure

Peel: Warm 


  • Cut material in mirror image
  • Weed
  • Preheat garment for 5 seconds

No nylon. This material cannot be layered.  Be advised that dye migration has occurred with low energy dyes in polyester and poly-blend fabrics. This is a PVC product, which emits hazardous fumes when cut with a laser machine!





  • Wait 24 hours before first wash
  • Wash with normal settings
Pro-Grade Non-Stick Sheet, Safe Media Cutter


Instructions for application to moisture-wicking materials:

  • Damp a cloth with rubbing alcohol (isopropyl alcohol), then rub it into the area on the garment you want to apply your design.  Allow it to dry and apply your material. This will allow better adhesion to the garment.

Instructions for application to dazzle cloth and shiny polyester:

  • We highly recommend that you TEST prior to doing large runs. Coated polyester can routinely cause adhesion issues.

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