Thermoplastic Adhesive Film for Rubber-to-Plastic Bonding

Thermoplastic Adhesive Film for Rubber-to-Plastic Bonding

A heat-activated dry-film adhesive supplied through custom matching for rubber layers bonded to plastic substrates. Film selection starts with the rubber compound, plastic surface and assembly design.

  • A separate adhesive layer for heat-and-pressure bonding.
  • Matching support for bond coverage, flexibility and the heat tolerance of both materials.
Material

Thermoplastic adhesive film; polymer direction matched to the substrates

Thickness

Selected to suit contact geometry and surface texture

Width

Custom width to suit the bonding footprint

Appearance

Grade-specific; shown roll photograph illustrates supply form

Liner

Release paper / release film / liner-free by grade

Supply Form

Roll / slit roll / sheet / die-cut piece

Application

Custom rubber-to-plastic heat-and-pressure bonding

Sample Grade Direction

Matched by rubber compound, plastic surface and assembly conditions

Product Fit

For converters and assembly manufacturers sourcing an adhesive for rubber to plastic, VELNORA offers a custom-matched thermoplastic film placed directly between the two materials. This product direction is intended for assemblies made by heat-and-pressure bonding, with the adhesive supplied as a dry layer rather than a dispensed liquid.

The page is written for real material-pair selection, not a single universal grade. Typical project directions include EPDM rubber to PP or ABS panels, neoprene rubber to PVC or ABS board, NBR rubber pads to ABS, PC or PA nylon parts, and rubber layers bonded to PE or PP plastic substrates. The final film direction follows the exact rubber compound, plastic surface, bond area and available heating method.

Typical Bonding Structure

EPDM rubber profile / NBR rubber pad / neoprene rubber sheet → heat-activated thermoplastic adhesive film → PP, ABS, PVC, PC, PA nylon or PE plastic substrate. The film occupies the bonding interface; the rubber and plastic remain the outer materials. Full-area coverage follows a laminated surface, while shaped coverage follows a defined contact area.

Three-layer schematic showing rubber, thermoplastic adhesive film and a plastic substrate
Illustrative bonding structure, not to scale. The diagram shows the adhesive position between a rubber layer and a plastic substrate.

Typical Rubber-to-Plastic Bonding Combinations

Material pairCommon component directionSelection focus
EPDM rubber → adhesive film → PP or ABS plastic panelAutomotive interior parts, sealing profiles, trim backing and protective strips.Low-surface-energy plastics and flexible rubber recovery require a film direction matched to both surfaces.
Neoprene / CR rubber → adhesive film → PVC or ABS boardProtective pads, anti-vibration layers, composite boards and industrial facing parts.The adhesive layer should follow the rubber flexibility while holding a stable plastic-side interface.
NBR rubber pad → adhesive film → ABS, PC or PA nylon partWear pads, grip layers, protective covers and molded plastic component inserts.Part geometry, bonding footprint and plastic heat tolerance decide the film form and activation direction.
SBR or natural rubber sheet → adhesive film → PVC, PU, polyester or nylon surfaceRubber sheet laminates, footwear-related layers, industrial pads and flexible composite panels.The selected film should bridge the rubber side and the polar plastic or engineering surface without relying on liquid glue.
Rubber layer → adhesive film → PE or PP honeycomb / plastic substrateLightweight composite panels, cushioning structures and laminated backing parts.PE and PP are low-surface-energy plastics, so this direction is handled as a custom-matched film project.

Substrate and Assembly Matching

Selection inputWhat it determines
Rubber type and compoundFilm chemistry and adhesive behavior for EPDM, neoprene / CR, NBR, SBR, natural rubber or other supplied rubber formulations.
Plastic type and surface finishMatching to ABS, PP, PVC, PC, PA nylon, PE or coated plastic surfaces, including the exposed bonding layer rather than only the bulk plastic name.
Bond area and part geometryFilm coverage and positioning across a continuous surface, strip, insert, gasket shape or localized contact area.
Heat tolerance and finished flexibilityThe activation approach and film characteristics needed for a flexible rubber side and a stable plastic-side interface.

Thickness selection considers surface texture, contact geometry and the required adhesive layer. A thicker film is not automatically the better choice. Polymer family selection follows the material pair; thermoplastic polyurethane (TPU) is one film chemistry, not a synonym for every rubber-bonding adhesive.

Processing and Custom Supply Support

Heat softens the adhesive layer, pressure brings it into contact with the substrates, and cooling sets the bond. Matching the heating method to both parts is central to process planning. The assembly brief should identify the heated side, contact area and any limit on plastic deformation or rubber recovery.

Send the rubber designation, plastic designation, surface-finish information, a drawing or photographs of the contact area, and the available bonding equipment. These inputs guide film and sample matching without forcing a fixed model or processing window onto different assemblies.

Converting support follows the bonding footprint and feeding method. Quality review covers film thickness consistency, cut dimensions, roll appearance and liner handling for the selected supply format.

FAQ

What rubber and plastic combinations can this page cover?

Typical directions include EPDM to PP or ABS, neoprene / CR to PVC or ABS, NBR to ABS, PC or PA nylon, and rubber layers to PE or PP plastic substrates. The supplied film is matched to the actual compound, surface condition and part structure.

Is this the same as pressure-sensitive adhesive tape?

No. This product direction uses heat activation to form the bond. Pressure-sensitive tape is a different adhesive format and is not the product offered on this page.

Which rubber and plastic information is needed?

Provide both material designations and the condition of the surfaces that touch the film. A coated plastic part should include the coating description; the bulk plastic name alone does not describe that interface.

Can the film follow a shaped bonding area?

Custom converting follows the part drawing and contact footprint. Include the outline, dimensions and positioning requirements so the film shape fits the intended interface.

Does one grade cover every rubber-to-plastic combination?

No. This is a custom-matching product. The supplied film direction is selected for the specified substrates, assembly geometry and heat-and-pressure process.

Related Products

Certified Quality Systems & Test Reports

VELNORA operates under ISO 9001 quality management and ISO 14001 environmental management systems. Third-party test reports for REACH, RoHS / halogen, California Proposition 65, VOC, organotin and phthalates are available for buyer review on request.

ISO 9001 & ISO 14001 certified. REACH, RoHS, Prop 65, VOC and other test reports on request.

  • ISO 9001 quality management certificateISO 9001 Quality Management
  • ISO 14001 environmental management certificateISO 14001 Environmental Management
  • REACH SVHC test report, page 1REACH Report
  • RoHS and halogen test report, page 1RoHS / Halogen Report
  • California Proposition 65 test report, page 1California Prop 65 Report
  • VOC test report, page 1VOC Report
  • Organotin test report, page 1Organotin Report
  • Phthalates test report, page 1Phthalates Report

Request test documents for your project →