Product Focus

tesa® 4323 is a conformable masking tape based on a fine crepe paper backing and a natural rubber adhesive. The masking tape is suitable for light duty spray painting and general purpose applications like, holding, sealing, fixing. It provides a temperature resistance up to 80°C for subsequent oven drying.

tesa® 4323 General Purpose Paper Masking Tape

57% bio-based content in total product excluding liner (by weight)

Product Features

• Crepe paper backing ensures a good conformability.
• Natural rubber adhesive system features good adhesion to multiple surfaces as well as a good tack.
• Excellent paint anchorage, making it suitable for light duty spray painting. 

Application Fields

• Suitable for light duty spray painting and general purpose masking applications.
• Provides temperature resistance up to 80°C for subsequent oven drying.
• Hand-tearable 

Technical Data

Backing Material: Slightly-creped paper

Total Thickness: 125µm

Adhesive: Pressure sensitive rubber

Elongation at Break: 10%

Tensile Strength: 33N/cm

 Hand Tearability: Very good

Temperature Resistance (60 minutes): 60°C

Temperature Resistance (30 minutes): 80°C

Adhesion to Steel: 2.8 N/cm

tesa ® 4965 is a very strong double sided tape suited to demanding applications, providing a reliable bond to LSE substrates. It that has a modified acrylic adhesive that has a very high temperature range. 

The PET backing plastic is strong and performs very well in automated applications (it is not hand tearable).

Available in standard widths from 3mm up to 50mm, non-standard widths available up to 1,300mm.

tesa 4965 Features

• Reliable bond even to LSE substrates  (low surface energy)
• Immediate usability right after assembly
• Suitability for most demanding applications such as heavy stress, high temperatures or critical substrates

tesa 4965 Applications

• Mounting of ABS plastic parts in the car industry
• Self-adhesive mounting of rubber/EPDM profiles
• Mounting of decorative profiles and moldings in the furniture industry
• Mounting of battery packs, lenses and touch-screens in electronic devices

 Technical Properties

Backing Material PET film 

Color transparent 

Total thickness 205 µm

Type of adhesive tackified acrylic 

Elongation at break 50 % 

Tensile strength 20 N/cm

Adhesion Properties

Adhesion to ABS (after 14 days) 12 N/cm Adhesion to ABS (initial) 10.3 N/cm

Adhesion to Aluminium (after 14 days) 10.6 N/cm Adhesion to Aluminium (initial) 9.2 N/cm

Adhesion to PC (after 14 days) 14 N/cm Adhesion to PC (initial) 12.6 N/cm

Adhesion to PE (after 14 days) 6.9 N/cm Adhesion to PE (initial) 5.8 N/cm

Adhesion to PET (after 14 days) 9.5 N/cm Adhesion to PET (initial) 9.2 N/cm

Adhesion to PP (after 14 days) 7.9 N/cm Adhesion to PP (initial) 6.8 N/cm

Adhesion to PS (after 14 days) 12 N/cm Adhesion to PS (initial) 10.6 N/cm

Adhesion to PVC (after 14 days) 13 N/cm Adhesion to PVC (initial) 8.7 N/cm

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

Rating Properties

Temperature resistance short term 200 °C 

Temperature resistance long term 100 °C

Tack + Ageing resistance (UV) ++ 

Humidity resistance ++

Resistance to chemicals + 

Softener resistance +

Static shear resistance at 23°C + 

Static shear resistance at 40°C +