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tesa® 6940 Rapid Laser-Label

High-Speed markable and self-adhesive



Product description

tesa® 6940 is a double layer, brittle acrylic film. Marking and cutting are achieved by laser in one step, which makes it possible to realize any desirable label variation and format using only one material. The backing is highly resistant against chemicals, abrasion, temperature and ageing. The adhesive system consists of a resin modified acrylic suitable even for low energy surfaces.

This high performance product is used as a tamper evident identification label over the entire lifetime of a product and also as a data carrier system for intelligent in-process steering.

The use of a high-speed laser enables a considerably quick marking.
(black and red: up to 4000mm/ sec., yellow: up to 1000mm/sec).

Available in: black (glossy), red and yellow

Main applications

  • Very fast marking is achieved in conjunction with high-speed laser hardware
  • High contrast and excellent marking precision
  • Very resistant to heat, abrasion and chemicals
  • Tamper Evident: Manipulation leaves visible trace
  • Not removable without destruction of the label
  • Flexible formatting and label design: marking and cutting by the laser
  • Efficient: replaces a multitude of pre-made labels
  • Just-in-time production reduces storage needs

Additional Info

Standard Dimensions:
6940 PV6 black: width 100mm and 120mm, length 200m
6940 PV3 red or yellow: width 120mm, length 300m

Assortment and Technical Data:
6940 PV6 black/ white glossy: Adhesive 35g/m², thickness 140µm without Liner. Color code: 04
6940 PV3 red/ white: Adhesive 25g/m², thickness 90µm without Liner. Color code: 19, close to RAL 3020
6940 PV3 yellow/ black: Adhesive 25g/m², thickness 105µm without Liner. Color code: 17, close to RAL 1021

PV6 foil is thicker and more stiff than PV3 material and beneficial in handling in certain cases.


Please note. Colours red and yellow have a limited resistance to UV. We recommend their suitability for outdoor applications should be tested before use. For assistance and advice please contact your tesa consultant.

Technical properties

Type of liner

coated paper

Tamper Evidence

Yes

Type of adhesive

acrylic

Adhesion >

1.8 N/cm

Peel off force from liner

0.5-10 cN/cm

Backing material

acrylic

Weight of liner

120 g/m²

Rating properties

Humidity resistance

++

Resistance to chemicals

++

Frost resistance

-40 °C

Ageing resistance (UV)

++

Suitable Laser

CO2, Nd:YAG, Yb:YAG

Printability

+

Storage conditions

23°C, 50% RH, stored in original box

Temperature resistance short term

270 °C

Temperature resistance long term

120 °C

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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