TESA 4970 es una cinta autoadhesiva blanca de doble cara blanca gruesa que consiste en un respaldo de película de PVC y un adhesivo acrílico tachado.
Technical properties | |
---|---|
Elongation at break | 20% |
Type of liner | glassine |
Weight of liner | 82 g/m² |
Temperature resistance long term | 60 ℃ |
Temperature resistance short term | 70 ℃ |
Type of adhesive | tackified acrylic |
Adhesion to Steel (initial) | 13 N/cm |
Colour of liner | brown |
Tensile strength | 38 N/cm |
Total thickness | 225μm |
Thickness of liner | 71μm |
Backing material | PVC film |
Colour | white |
Adhesion properties | |
Adhesion to Steel (initial) | 13 N/cm |
Adhesion to PE (initial) | 8.5 N/cm |
Adhesion to PC (after 14 days) | 16.9 N/cm |
Adhesion to PS (after 14 days) | 15.2 N/cm |
Adhesion to ABS (initial) | 13.4 N/cm |
Adhesion to PP (after 14 days) | 10.8 N/cm |
Adhesion to PET (after 14 days) | 11.9 N/cm |
Adhesion to Aluminium (after 14 days) | 12.6 N/cm |
Adhesion to PE (after 14 days) | 9.1 N/cm |
Adhesion to Aluminium (initial) | 11.5 N/cm |
Adhesion to ABS (after 14 days) | 14.4 N/cm |
Adhesion to PC (initial) | 16.2 N/cm |
Adhesion to PVC (initial) | 12.4 N/cm |
Adhesion to PS (initial) | 14.7 N/cm |
Adhesion to PET (initial) | 11.5 N/cm |
Adhesion to PP (initial) | 9.7 N/cm |
Adhesion to Steel (after 14 days) | 13.6 N/cm |
Adhesion to PVC (after 14 days) | 16.6 N/cm |
Rating properties | |
Static shear resistance at 23°C | + |
Resistance to chemicals | + |
Humidity resistance | ++ |
Static shear resistance at 40°C | o |
Tack | + |
Ageing resistance (UV) | ++ |
Temperature resistance long term | 60 °C |
Temperature resistance short term | 70 °C |
Softener resistance | + |
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