tesa® 4942 is a double sided self-adhesive tape consisting of a transparent PET backing and a tackified acrylic adhesive.
FEATURES
• Thickness: 140µm
• High bonding strength and shear resistance
• Very good handling performance in converting processes
• Excellent resistance to demanding environmental conditions
APPLICATIONS
• Lens mounting in mobile phones
• Antenna mounting
Product Construction
Backing material | PET film |
Color | transparent |
Color of liner | brown |
Thickness of liner | 2.8 mils 71 µm |
Total thickness | 5.51 mils 140 µm |
Type of adhesive | type: tackified acrylic |
Type of liner | type: glassine |
Weight of liner | 116.63 lbs/in² 82 g/m² |
Properties / Performance Values
Elongation at break | 50 % |
Tensile strength | 11.42 lbs/in 20 N/cm |
Static shear resistance at 23°C | good |
Tack | medium |
Temperature resistance short term | 392 °F 200 °C |
Ageing resistance (UV) | very good |
Temperature resistance long term | 212 °F 100 °C |
Humidity resistance | very good |
Adhesion to Values
Adhesion to ABS (initial) | 5.08 lbs/in 8.9 N/cm |
Adhesion to ABS (after 14 days) | 5.6 lbs/in 9.8 N/cm |
Adhesion to PC (initial) | 6.17 lbs/in 10.8 N/cm |
Adhesion to PC (after 14 days) | 6.91 lbs/in 12.1 N/cm |
Adhesion to PE (initial) | 2.86 lbs/in 5 N/cm |
Adhesion to PE (after 14 days) | 3.2 lbs/in 5.6 N/cm |
Adhesion to Steel (initial) | 6.74 lbs/in 11.8 N/cm |
Adhesion to Steel (after 14 days) | 7.42 lbs/in 13 N/cm |