Tesa 51407 High-Temperature Polyimide Tape

tesa® 51407 is a single-sided, standard-grade polyimide (PI) tape coated with a silicone pressure-sensitive adhesive (PSA). It is specifically engineered for extreme high-temperature applications, electrical insulation, and chemical-resistant masking

Key Features & Specifications

• Backing Material: Amber (tan) polyimide (PI) film

• Adhesive: Silicone adhesive (single-sided)

• Total Thickness: 62 µm (0.062 mm / 2.44 mils)

• Color: Amber / Translucent brown (gold finger)

• Temperature Resistance:

  • Continuous long-term: 200°C (392°F)

  • Short-term (30 min): 260°C (500°F)

• Mechanical Properties:

  • Tensile Strength: 40 N/cm

  • Elongation at Break: 35%

• Electrical Properties:

  • Dielectric Breakdown Voltage: 6,000 V

  • Insulation Class: H (180°C+)

  • Flame Resistance: UL 510 listed, DIN EN 60454-2 compliant

• Adhesion: 2.5 N/cm on steel