115 µm / 4.5 mils double sided PET film differential tape (Silicone/Acrylic)
tesa® 88665 is a transparent double-sided tape with a PET-backing. One side is equipped with a silicone adhesive (easy side) and the other side is equipped with a modified acrylic (tight side). It is designed for the demanding applications where silicone materials must be bonded to a range of substrates.
| Backing material | PET |
| Color | transparent |
| Total thickness | 4.53 mils
115 µm |
| Type of adhesive (easy release) | silicone |
| Type of adhesive (tight release) | tackified acrylic |
| Type of liner (easy release) | PET film |
| Type of liner (tight release) | coated paper |
| Backing material | PET |
| Color | transparent |
| Total thickness | 4.53 mils
115 µm |
| Type of adhesive (easy release) | silicone |
| Type of adhesive (tight release) | tackified acrylic |
| Type of liner (easy release) | PET film |
| Type of liner (tight release) | coated paper |
| Elongation at break | 75 % |
| Tensile strength | 28.55 lbs/in
50 N/cm |
| Temperature resistance short term | 302 °F
150 °C |
| Static shear resistance at 23°C | very good |
| Elongation at break | 75 % |
| Tensile strength | 28.55 lbs/in
50 N/cm |
| Temperature resistance short term | 302 °F
150 °C |
| Static shear resistance at 23°C | very good |
| Adhesion to PC (tight-side, initial) | 3.71 lbs/in
6.5 N/cm |
| Adhesion to PC (tight-side, after 14 days) | 6.17 lbs/in
10.8 N/cm |
| Adhesion to PP (14 days; easy) | 4 lbs/in
7 N/cm |
| Adhesion to PP (tight-side, initial) | 1.37 lbs/in
2.4 N/cm |
| Adhesion to PP (easy-side, initial) | 2.74 lbs/in
4.8 N/cm |
| Adhesion to PP (tight-side, after 14 days) | 1.37 lbs/in
2.4 N/cm |
| Adhesion to Silicone (easy-side, after 14 days) | 5.42 lbs/in
9.5 N/cm |
| Adhesion to Silicone (easy-side, initial) | 3.6 lbs/in
6.3 N/cm |
| Adhesion to Steel (initial) | 3.94 lbs/in
6.9 N/cm |
| Adhesion to Steel (easy-side, initial) | 3.94 lbs/in
6.9 N/cm |
| Adhesion to Steel (easy-side, after 14 days) | 4.34 lbs/in
7.6 N/cm |
| Adhesion to Steel (tight-side, initial) | 3.65 lbs/in
6.4 N/cm |
| Adhesion to Steel (tight-side, after 14 days) | 5.31 lbs/in
9.3 N/cm |
| Adhesion to PC (tight-side, initial) | 3.71 lbs/in
6.5 N/cm |
| Adhesion to PC (tight-side, after 14 days) | 6.17 lbs/in
10.8 N/cm |
| Adhesion to PP (14 days; easy) | 4 lbs/in
7 N/cm |
| Adhesion to PP (tight-side, initial) | 1.37 lbs/in
2.4 N/cm |
| Adhesion to PP (easy-side, initial) | 2.74 lbs/in
4.8 N/cm |
| Adhesion to PP (tight-side, after 14 days) | 1.37 lbs/in
2.4 N/cm |
| Adhesion to Silicone (easy-side, after 14 days) | 5.42 lbs/in
9.5 N/cm |
| Adhesion to Silicone (easy-side, initial) | 3.6 lbs/in
6.3 N/cm |
| Adhesion to Steel (initial) | 3.94 lbs/in
6.9 N/cm |
| Adhesion to Steel (easy-side, initial) | 3.94 lbs/in
6.9 N/cm |
| Adhesion to Steel (easy-side, after 14 days) | 4.34 lbs/in
7.6 N/cm |
| Adhesion to Steel (tight-side, initial) | 3.65 lbs/in
6.4 N/cm |
| Adhesion to Steel (tight-side, after 14 days) | 5.31 lbs/in
9.3 N/cm |
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