![[Master PI]](/en/files/images/201906/23/7930-master-pi,152198_fixedwidth_9.jpg "7930 [Master PI]")
[Master PI]
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Product description
tesa® 7930 is a matt single sided self-adhesive tape consisting of an ultra-thin PET film backing and a black tackified acrylic adhesive
Special features:
- Thickness: 30µm
- Very good light blocking performance
- Ultra matte black surface with a gloss level of 2.5 %
- Excellent anti-fingerprint performance
- Very good scratch resistance
- High peel strength and shear resistance
- Excellent repulsion resistance properties
- Excellent resistance to demanding environmental conditions
Main applications
- Fixation in LED light sources or Flat Panel displays
- Light shielding in consumer electronics parts
Technical properties
Backing material
PET film
Total thickness
30 µm
Type of adhesive
acrylic
Elongation at break
70 %
Tensile strength
20 N/cm
Type of liner
PET
Colour of liner
transparent
Thickness of liner
50 µm
Temperature resistance short term
130 °C
Temperature resistance long term
60 °C
Dielectric breakdown voltage
3500 volt
Transmittance (380 - 780nm) <
0.05 %
Adhesion properties
Adhesion to ABS (after 14 days)
3.2 N/cm
Adhesion to ABS (initial)
2.6 N/cm
Adhesion to Aluminium (after 14 days)
3 N/cm
Adhesion to Aluminium (initial)
2.3 N/cm
Adhesion to Glass (after 14 days)
2.8 N/cm
Adhesion to Glass (initial)
2 N/cm
Adhesion to PC (after 14 days)
3 N/cm
Adhesion to PC (initial)
2.2 N/cm
Adhesion to Steel (after 14 days)
3 N/cm
Adhesion to Steel (initial)
2.6 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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