tesa® 4959

Double-sided non-woven tape

Sustainable Aspects

Responsibly sourced paper liner (certified)
Unbleached paper with 30% recycled fibers

Product Features

High initial tack and peel adhesion
Light and aging-resistant acrylic adhesive for long-term applications
Very good bonding strength, even to low surface energy materials

All product features

Product description

tesa® 4959 is a double-sided mounting and splicing tape equipped with a non-woven backing and coated with an acrylic adhesive of high tack and good shear strength. It is UV and ageing resistant and largely resistant to plasticizers.

Product details and specifications

Product Features

High initial tack and peel adhesion
Light and aging-resistant acrylic adhesive for long-term applications
Very good bonding strength, even to low surface energy materials
Outstanding converting and die-cutting properties
Highly conformable to follow difficult 3D shapes due to non-woven backing

Application Fields

Mounting of signs, covers and nameplates
Mounting of door linings in the car industry
Mounting of plastic bags, dispatch bags, continuous stationery, posters etc.
Splicing of paper and film webs

Sustainable Aspects

Responsibly sourced paper liner (certified)
Unbleached paper with 30% recycled fibers

Adhesive Type	tackified acrylic
Backing material	non-woven
Color	translucent
Color of liner	brown
Liner Type	paper
Thickness of liner	2.8 mils 71 µm
Total thickness	100 µm

Elongation at break	2 %
Tensile strength	8 N/cm
Tack	very good
Temperature resistance min.	-40 °F -40 °C
Static shear resistance at 40°C	medium
Ageing resistance (UV)	very good
Temperature resistance long term	176 °F 80 °C
Chemical Resistance	good
Static shear resistance at 23°C	good
Temperature resistance short term	392 °F 200 °C
Humidity resistance	very good

Adhesion to ABS (initial)	4.28 lbs/in 7.5 N/cm
Adhesion to ABS (after 14 days)	5.14 lbs/in 9 N/cm
Adhesion to Aluminium (initial)	4.28 lbs/in 7.5 N/cm
Adhesion to Aluminium (after 14 days)	4.57 lbs/in 8 N/cm
Adhesion to PC (initial)	5.42 lbs/in 9.5 N/cm
Adhesion to PC (after 14 days)	7.99 lbs/in 14 N/cm
Adhesion to PE (initial)	2.28 lbs/in 4 N/cm
Adhesion to PE (after 14 days)	2.57 lbs/in 4.5 N/cm
Adhesion to PET (initial)	4 lbs/in 7 N/cm
Adhesion to PET (after 14 days)	4.28 lbs/in 7.5 N/cm
Adhesion to PP (initial)	3.14 lbs/in 5.5 N/cm
Adhesion to PP (after 14 days)	3.71 lbs/in 6.5 N/cm
Adhesion to PS (initial)	4.85 lbs/in 8.5 N/cm
Adhesion to PS (after 14 days)	5.14 lbs/in 9 N/cm
Adhesion to PVC (initial)	3.71 lbs/in 6.5 N/cm
Adhesion to PVC (after 14 days)	7.99 lbs/in 14 N/cm
Adhesion to Steel (initial)	4.57 lbs/in 8 N/cm
Adhesion to Steel (after 14 days)	4.85 lbs/in 8.5 N/cm

Liner variants:
PV0 brown glassine paper (71 µm/2.8 mils)
PV6 red MOPP-film (80 µm/3.2 mils)
PV36 double linered brown glassine paper

According to VDA278 analysis, tesa 4959 does not contain any single substances restricted by the drafted GB regulations (China) as well as the indoor concentration guideline by Health, Labour and Welfare Ministry (Japan).

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.

Downloads

Download the files below for more technical details and information on this product.

Contact to Skin Statement_ISO10993_tesa® 4959 & 4962_10_2024 91.5 kB Product information_tesa® 4959_en-US 68.9 kB

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Name of product	tesa® 4959	tesa® 4940	tesa® 4961	tesa® 68618	tesa® 68646	tesa® 8854	tesa® 4943	tesa® 51570	tesa® 51576 PV41	tesa® 51571	tesa® 4962
Total thickness	100 µm	160 µm	205 µm		140 µm	100 µm	100 µm	110 µm	120 µm	160 µm	160 µm
Adhesive Type	tackified acrylic	tackified acrylic	natural rubber		tackified acrylic	tackified acrylic	tackified acrylic	synthetic rubber	acrylic	synthetic rubber	tackified acrylic
Backing material	non-woven	non-woven	flat paper	non-woven	non-woven	non-woven	non-woven	non-woven	non-woven	non-woven	non-woven
Adhesion to Steel (initial)	8 N/cm	9.3 N/cm	5.2 N/cm	9 N/cm	9.8 N/cm	8.1 N/cm	5.5 N/cm	12 N/cm	4.2 N/cm	12.5 N/cm	11.5 N/cm
Adhesion to Steel (after 14 days)	8.5 N/cm	11.3 N/cm	5.3 N/cm	11 N/cm	12.1 N/cm	9.4 N/cm	8.1 N/cm	13 N/cm		13 N/cm	12 N/cm
Color	translucent	translucent	white		translucent	translucent	translucent		transparent	translucent	translucent