tesa® 4970 is a white, double-sided mounting tape with a highly tackified acrylic adhesive and PVC backing. The double-sided PVC film tape has exceptional bonding performance and is used in various different industries, frequently used to fasten heavy signs and point-of-sale displays. The tackified acrylic adhesive features excellent adhesive performance, offering a reliable bond even on low energy surfaces and rough or slightly dirty substrates. The strong adhesive and PVC backing make the tape highly resistant to numerous factors, including plasticizers, humidity, aging, UV-light, and chemicals. tesa® 4970 offers a very high initial bond immediately after application and is ideal for various long-term mounting applications.

Features

High adhesion and very good bonding strength, even to low surface energy materials
Immediate functionality of the laminated bond due to excellent initial tack
Light and aging-resistant acrylic adhesive for long-term applications
Very good plasticizer resistance
Good conformability for good adhesion even on rougher surfaces due to the PVC backing

Applications

tesa® 4970 is the perfect solution for mounting of decorative POS materials and displays
Mounting of signs and scales
Bonding during assembly of moldings and trims in the furniture industry
Ideal for mounting of plastic or wooden trims

Typical Properties

Product Construction

Backing material	PVC film
Color	white
Total thickness	8.86 mils 225 µm
Type of adhesive	type: tackified acrylic

Properties / Performance Values

Elongation at break	20 %
Tensile strength	21.7 lbs/in 38 N/cm
Humidity resistance	very good
Temperature resistance long term	140 °F 60 °C
Softener resistance	very good
Temperature resistance short term	158 °F 70 °C
Tack	very good
Temperature resistance min.	-40 °F -40 °C
Static shear resistance at 40°C	medium
Static shear resistance at 23°C	good, medium
Chemical resistance	good, medium
Ageing resistance (UV)	good, medium

Resources

TDS:Download

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