Adhesive Tape – CMC 15142

  • Self adhesive insulating tape based on highly hydrolysis resistant PPSU film
  • Recommended as subgasket frame material in PEM fuel cells
  • Includes a protective liner
  • Colorless appearance
  • Acrylic adhesive type

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CMC 15142 is a self-adhesive insulating tape based on highly hydrolysis-resistant PPSU film, recommended as subgasket frame material in PEM fuel cells. A protective liner is included. The tape has a substrate thickness of 0.050 mm and a total thickness of 0.065 ± 0.005 mm. It features acrylic adhesive, insulation class F according to IEC 60085, temperature performance up to 155°C, breakdown voltage ≥ 8,000 Veff based on IEC 60243-1, tensile strength ≥ 25 N/cm, and elongation at break ≥ 50%. It is RoHS and REACh compliant.

Use Cases

  • Subgasket frame material in PEM fuel cells

Capabilities

  • Protective liner included
  • Highly hydrolysis resistant
  • Insulating properties
  • Thermal resistance up to 155°C
  • Electrical insulation class F
  • Mechanical strength with tensile strength and elongation
cmc Klebetechnik GmbH CMC Klebetechnik GmbH, founded in 1998 and based in Frankenthal, Germany, is a manufacturer and coater of technical adhesive tapes and films that has developed specialized sealing solutions for PEM fuel cells and PEM electrolyzers over more than five decades of coating expertise. The company's CMC 61145 adhesive film (hydrolysis-stable PEN carrier film with acrylate adhesive) and CMC 15141/15142 (PPSU-based) sub-gasket films seal the membrane electrode assembly (MEA) subframe, preventing hydrogen/oxygen media crossover while providing electrical insulation, mechanical stability, and facilitating automated roll-to-roll MEA assembly. CMC's adhesive films are designed for durability in demanding fuel cell applications such as electric buses, heavy goods transport, and decentralized power supplies, with hydrolysis and solvent resistance suited to the acidic, humid stack environment. The company was awarded the Bronze Medal in the EcoVadis sustainability assessment and supplies customized film materials, adhesives, and die-cut parts for hydrogen technology, e-mobility/battery, and broader electrical engineering applications.

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