tesa® 4965 Original Double-Sided Tape – Reliable Adhesion for Critical Applications

tesa® 4965 Original is a transparent, double-sided industrial tape designed for demanding environments. Featuring a PET backing and patented tackified acrylic adhesive, this high-performance tape offers excellent adhesion on low surface energy materials, high-temperature resistance, and durability under stress.

Its versatile design withstands environmental challenges, including humidity, UV light, and temperatures up to 200°C for short durations. Trusted across industries, tesa® 4965 Original is the go-to solution for mounting, splicing, and assembling components in automotive, electronics, and furniture manufacturing.

Key Features:

Certified for skin contact (ISO 10993-5 and ISO 10993-10).
UL 969 compliant (UL file: MH 18055).
Reliable adhesion on low-energy surfaces like ABS plastics and EPDM.
High shear strength, tack, and durability.
Low VOC emissions (VDA 278 analysis) and DIN EN 45545-2 certification for railway safety (2R1+HL3).
Available in a Next Gen variant with -40% CO₂ emissions, biomass-balanced adhesive, and 90% PCR PET backing.

Applications:

Automotive Industry: Mounting ABS plastic parts and EPDM profiles.
Electronics: Battery pack, lens, and touch-screen assembly.
Furniture: Mounting decorative moldings and profiles.

Converting Possibilities

tesa® 4965 can be customized to fit specific requirements with the following converting options:

Slitting & Rewinding: Precision-cut rolls in desired widths and lengths.
Die & Kiss Cuts: Custom-shaped parts for specific applications.
Cross-Wound Spools: Continuous spools for automated workflows.
Sheets: Larger formats for unique or broad-scale uses.

Product Construction:

Backing material PET film, Post-consumer recycled content of backing: 90 %
Color transparent
Color of liner red
Total thickness 205 µm
Type of adhesive type: tackified acrylic
Type of liner type: MOPP

Adhesion to:

Adhesion to Steel (initial) 11.5 N/cm
Adhesion to Steel (after 14 days) 11.8 N/cm

Property evaluation:

Elongation at break 50 %
Tensile strength 20 N/cm
Chemical resistance good
Static shear resistance at 40°C very good
Temperature resistance min. -40 °C
Softener resistance good
Temperature resistance short term 200 °C
Ageing resistance (UV) good
Humidity resistance very good
Static shear resistance at 23°C very good
Tack good
Temperature resistance long term 100 °C

Additional Info
Liner variants:

PV0: red MOPP film (80µm; 72g/m²)
PV1: brown glassine paper (69µm; 80g/m²)
PV2: brown glassine paper (78μm; 90g/m²)
PV4: branded white PE coated paper (104μm; 120g/m²)

For spools, it is recommended to use tesa® dispensers to achieve optimal results.
Low VOC – measured according to VDA 278 analysis, tesa® 4965 does not contain any single substances restricted by the drafted GB regulations (China).

Product Carbon Footprint (PCF) reduction for the new tesa® 4965 Original Next Gen (50m x 50mm handroll, PV0: red MOPP liner) compared to the current tesa® 4965 Original (50m x 50mm handroll, PV0: red MOPP liner) calculated in 2023 with Cradle-to-Gate values including biogenic carbon uptake. Individual PCF values for the other liner types (PV1, PV2, PV4) and further information you can find in our ISO 14067-compliant comparative PCF calculation on tesa.com/4965-report

tesa® 4965 Original Double-Sided Tape – Reliable Adhesion for Critical Applications

Key Features:

Applications:

Converting Possibilities

Product Construction:

Adhesion to:

Property evaluation:

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FAQ

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