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tesa® 7140

Flange masking tape in the automotive industry



Product description

tesa® 7140 PV0 consists of a laminate of PVC film with a PET film. It combines the preferred features of both materials: The PVC film ensures high paint adhesion to the backing and increases the flexibility of the tape, while the use of the PET layer results in a high tensile strength. These properties are important in the automotive industry, as they allow the masking of window flange areas prior to paint processes, thus eliminating the need for additional surface treatment steps (such as primer) during the application of the window panes. Instead, the window pane can be directly bonded to the e-coated window flange area.

tesa® 7140 PV0 is highly compatible with all relevant e-coats/fillers and window glues. The high temperature resistance of up to 170°C ensures that the tape works in most oven and baking processes in automotive paint shops. tesa® 7140 PV0 can be applied manually, semi-manually (hand applicators), or completely automatically (robot dispensers).

Main features:
  • PET layer allows smooth demasking without the tape tearing
  • PVC layer for high paint adhesion to avoid overspray in window flange areas
  • High temperature resistance up to 170°C/1h for most paint shop processes

Main applications

tesa® 7140 PV0 is suitable for window flange masking in the automotive industry (e.g. windshield, sunroof).

Additional Info

The product design of tesa® 7140 allows convenient application both by hand and robot and is also suitable for converting and die-cutting. In case of fully automatic applications the best-before-date for spools is max. 12 months under recommended storage conditions.

Technical properties

Elongation at break

130 %

Type of adhesive

natural rubber

Tensile strength

73 N/cm

Total thickness

168 µm

Backing material

PVC film

Adhesion to steel

4 N/cm

Temperature resistance

170 °C

Rating properties

Conformability

+

Paint anchorage

++

Easy to remove

Yes

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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