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tesa® 61250

50µm double sided black chemical resistant filmic tape

  • Excellent chemical resistance to different polar and non polar chemicals
  • Excellent shock resistance
  • Excellent converting performance due to PET backing
  • Double PET liner
  • Halogen-freeness
  • Skin-compatible (ISO 10993-10:2010; ISO 10993-5:2009)

Product description

tesa® 61250 is a double sided self-adhesive tape consisting of a black PET backing and a special chemical resistant adhesive.

Application Fields

  • Cover glass mounting in wearable devices
  • Mounting of parts in electronic devices, e.g. keyboard mounting or earphones

Product Construction

Elongation at break 50 %
Type of adhesive specialty
Thickness of liner - inside 50 µm
Thickness of liner - outside 50 µm
Tensile strength 20 N/cm
Weight of liner 72 g/m²
Total thickness 50 µm
Color of liner - inside transparent
Backing material PET film
Color black
Type of liner - inside PET

Properties / Performance Values

Type of liner - outside PET
Color of liner - outside transparent
Temperature resistance long term 70 °C
Temperature resistance short term 120 °C

Adhesion to Values

Adhesion to Steel (initial) 7.9 N/cm
Adhesion to PE (initial) 2 N/cm
Adhesion to PC (after 14 days) 12.5 N/cm
Adhesion to Steel (initial) 7.9 N/cm
Adhesion to Aluminium (after 14 days) 8 N/cm
Adhesion to PC (initial) 7.9 N/cm
Adhesion to Glass (after 14 days) 9.2 N/cm
Adhesion to PE (after 14 days) 4 N/cm
Adhesion to Glass (initial) 8.3 N/cm
Adhesion to Aluminium (initial) 7 N/cm
Adhesion to Steel (after 14 days) 9.1 N/cm
tesa® products prove their impressive quality day in, day out in demanding conditions and are regularly subjected to strict controls. All technical information and data above mentioned are provided to the best of our knowledge on the basis of our practical experience. They shall be considered as average values and are not appropriate for a specification. Therefore tesa SE can make no warranties, expressed or implied, including, but not limited to any implied warranty of merchantability or fitness for a particular purpose. The user is responsible for determining whether the tesa® product is fit for a particular purpose and suitable for the user’s method of application. If you are in any doubt, our technical staff will be glad to support you.

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