Flexel™ TPF4050 is a heat-activated adhesive film designed to bond ABS, PC, nylon, pre-treated olefins, and various textiles, including artificial and genuine leather. The film is supplied on siliconized paper and offers excellent adhesion to plastics and textiles. Its easy-to-use film form simplifies the bonding process.

Product Type: Solvent free (100% Solids) Adhesive, Thermoplastic Film Adhesive

Compatible Substrates & Surfaces: Acrylonitrile Butadiene Styrene (ABS), Artificial Leather, Leather, Nylon, Plastics, Polycarbonate (PC), Pre-treated Olefins, Textiles

Chemical Family: Polyurethanes (PU)

Features: Easy To Apply, Excellent Substrate Adhesion, High Solids Content, Long Shelf Life

Technical Data Sheet
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Identification & Functionality

Features & Benefits

Applications & Uses

Compatible Substrates & Surfaces

Surface Preparation

  • Surfaces must be clean and free from dust, fatty substances and release agents.
  • For optimumadhesion, the surface tension of the substrates to be bonded should be more than 38 dynes/cm.
  • Recommended surface preparation for optimal adhesion is as follows:
    • PC, ABS, Glass: IPA wipe
    • Nylon: Plasma treatment

Application Instructions

  1. Place adhesive film between substrates.
  2. Optional: Prelamination at bondline temperature (BLT) of 60°C for 10 to 30 seconds and pressure of 0.20 to 0.50 MPa.
  3. Final bonding: Bondline temperature (BLT) of 90 to 130°C for 25 to 90 seconds at pressure of 0.20 to 0.50 MPa
  4. The glued materials can be further processed immediately after bonding and cooling down (handling, trimming, cutting, etc.)


Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity1.16--
Solid Content100.0%-
Melt Flow Rate4 - 13dg/minDIN 53920
Standard Film Thickness25, 50μm-

Technical Details & Test Data

Flexel™ TPF4050 Typical Peel Strength (Effect of BLT)

Flexel™ TPF4050 - Flexel™ Tpf4050 Typical Peel Strength (Effect of Blt)

  • Pressed at BLT listed for 25 seconds at 0.22 MPa
  • Pulled at crosshead speed of 300 mm/min

Storage & Handling

Shelf Life
12 Months
Storage Conditions
  • Flexel™ TPF4050 should be stored in a cool, dry place.
  • It should be stored in between 0 and 40°C.