BATTERY SOLUTIONS

tesa® 6940 Rapid Laser-Label

High-Speed markable and self-adhesive

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. 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.
(black: up to 4000mm/ sec., yellow: up to 1000mm/sec).
Available in: black (glossy) and yellow

Product Features

The use of a high-speed laser enables a considerably quick marking.
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.

Application Fields

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

Technical Data

ype of liner coated paper
Weight of liner 120 g/m²
Backing material Acrylic
Type of adhesive acrylic

Properties:

Ageing resistance (UV) very good
Chemical resistance very good
Frost resistance -40 °C
Humidity resistance very good
Peel off force from liner 0.5-10
Suitable laser CO2, Nd:YAG, Yb:YAG
Tamper evidence Yes
Temperature resistance long term 120 °C
Temperature resistance short term 270 °C

Additional info

Standard Dimensions:
6940 PV6 black: width 100mm and 120mm, length 200m
6940 PV3 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 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: Color yellow has 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.