Conductive adhesive tape 4386

for EMC shieldingfor EMI shieldingshielding

Product overview
tesa® 4386 is a pressure-sensitive adhesive tape composed of a 40 µm aluminium foil backing, an electrically conductive acrylic adhesive and a white siliconized paper liner (65 µm). It is designed for electrical shielding and cable wrapping applications.

Key features

• Conductive aluminium backing
• Electrically conductive acrylic adhesive
• Reflective backing surface
• Suitable for die-cutting and hand-tearable

Applications

• Electrostatic and EMI/RFI shielding
• Cable wrapping and grounding
• Shielding and conductive overlaps in electronic assemblies

Product construction
Adhesive type: conductive acrylic
Backing material: aluminium foil (40 µm)
Color: silver (backing)
Color of liner: white
Liner type: siliconized paper (65 µm)
Total thickness: 85 µm

Properties / Performance values
Elongation at break: 6 %
Tensile strength: 30 N/cm
Contact resistance (z-direction): 5 mOhm
Surface resistance x-y (adhesive): 0.25 Ohm / square
Surface resistance x-y (backing): 0.2 Ohm / square
Backing appearance (visual): reflective
Temperature resistance short term: 150 °C
Temperature resistance long term: 120 °C
Operation temperature up to: 180 °C
Temperature resistance (30 min): 0 °C
Liner release force: 2 N/cm
Hand tearability: yes
Suitable for die cutting: yes

Adhesion values
Adhesion to backing: 3.5 N/cm
Adhesion to steel: 3 N/cm

Additional information
Contact resistance measured using a 1 kg electrode and a 1 square inch contact surface.

Technical specifications

• Backing: 40 µm aluminium foil
• Adhesive: electrically conductive acrylic
• Liner: white siliconized paper, 65 µm
• Total thickness: 85 µm
• Color: silver (backing), white (liner)
• Elongation at break: 6 %
• Tensile strength: 30 N/cm
• Contact resistance (z-direction): 5 mOhm
• Surface resistance adhesive (x-y): 0.25 Ohm / square
• Surface resistance backing (x-y): 0.2 Ohm / square
• Temperature resistance short term: 150 °C; long term: 120 °C
• Operation temperature up to: 180 °C
• Liner release force: 2 N/cm
• Adhesion to backing: 3.5 N/cm; adhesion to steel: 3 N/cm
• Suitable for die-cutting: yes; Hand-tearable: yes