Product Construction
| Adhesive Type | specialty |
| Backing material | none |
| Color | white |
| Color of liner | brown |
| Liner Type | glassine |
| Thickness of liner | 2.83 mils
72 µm |
| Total thickness | 15.75 mils
400 µm |
tesa® 70440
400µm/15.8 mils double sided white Bond & Detach tape
Product description
tesa® 70440 is a double-sided mounting tape which can be removed by stretching the adhesive in the bond plane (stripping).
tesa® 70440 features:
- Thickness: 400µm/15.8 mils
- Very high bonding strength
- Superior push out and shock resistance
- Easy removability even after long bonding time by stretching the adhesive
Product details and specifications
Application Fields
- Temporary fixation of components in electronic devices during the production process
- Permanent mounting of components in electronic devices with the option to remove the parts for repairing or recycling
Product Construction
| Adhesive Type | specialty |
| Backing material | none |
| Color | white |
| Color of liner | brown |
| Liner Type | glassine |
| Thickness of liner | 2.83 mils
72 µm |
| Total thickness | 15.75 mils
400 µm |
Properties / Performance Values
| Temperature resistance short term | 194 °F
90 °C |
| Static shear resistance at 23°C | very good |
| Static shear resistance at 40°C | very good |
| Temperature resistance long term | 140 °F
60 °C |
| Solvent free | yes |
| Removability after 14 days (23°C) | very good |
| Residue-free removability | yes |
Properties / Performance Values
| Temperature resistance short term | 194 °F
90 °C |
| Static shear resistance at 23°C | very good |
| Static shear resistance at 40°C | very good |
| Temperature resistance long term | 140 °F
60 °C |
| Solvent free | yes |
| Removability after 14 days (23°C) | very good |
| Residue-free removability | yes |
Adhesion to Values
| Adhesion to Aluminium (initial) | 7.99 lbs/in
14 N/cm |
| Adhesion to Aluminium (after 14 days) | 7.99 lbs/in
14 N/cm |
| Adhesion to Magnesium (initial) | 7.42 lbs/in
13 N/cm |
| Adhesion to Magnesium (after 14 days) | 7.42 lbs/in
13 N/cm |
| Adhesion to PE (initial) | 5.71 lbs/in
10 N/cm |
| Adhesion to PE (after 14 days) | 5.71 lbs/in
10 N/cm |
| Adhesion to Steel (initial) | 12.56 lbs/in
22 N/cm |
| Adhesion to Steel (after 14 days) | 12.56 lbs/in
22 N/cm |
Adhesion to Values
| Adhesion to Aluminium (initial) | 7.99 lbs/in
14 N/cm |
| Adhesion to Aluminium (after 14 days) | 7.99 lbs/in
14 N/cm |
| Adhesion to Magnesium (initial) | 7.42 lbs/in
13 N/cm |
| Adhesion to Magnesium (after 14 days) | 7.42 lbs/in
13 N/cm |
| Adhesion to PE (initial) | 5.71 lbs/in
10 N/cm |
| Adhesion to PE (after 14 days) | 5.71 lbs/in
10 N/cm |
| Adhesion to Steel (initial) | 12.56 lbs/in
22 N/cm |
| Adhesion to Steel (after 14 days) | 12.56 lbs/in
22 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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