Tesa 4970 Double-Sided Adhesive Mounting PVC tape

tesa® 4970 is a white, double-sided mounting tape constructed with a flexible PVC film backing and coated with a highly tackified acrylic pressure-sensitive adhesive (PSA) on both sides. It is engineered for robust, long-term bonding, especially on challenging surfaces.

Key Features & Specifications

• Backing Material: Flexible PVC (Polyvinyl Chloride) film

• Adhesive: Tackified acrylic (double-sided)

• Total Thickness: 225 µm (8.9 mils)

• Color: Opaque white

• Liner: Brown/yellow glassine paper

• Adhesion:

  • High initial tack: Instant bonding with light pressure.

  • Strong ultimate adhesion: ~13-14 N/cm on steel.

• Temperature Resistance:

  • Long-term: -40°C to 60°C

  • Short-term (up to 15 min): 70°C

• Mechanical Properties:

  • Tensile Strength: 38 N/cm

  • Elongation at Break: 20%