tesa® 4818


Product details and specifications

Backing material PTFE coated glass cloth
Total thickness 180 µm
Type of adhesive silicone
Type of liner none
Elongation at break 5 %
Tensile strength 310 N/cm
Mesh 108 threads/inch²
Easy to remove yes
Available as Spools no
Unwind force n/cm 4.5 N/cm
Dielectric breakdown voltage 4,900 V
Hand tearability low
Easy to write on no
Tensile strength (crosswise) 490 N/cm
Suitable for die cutting yes
Operation temperature up to 260 °C
Abrasion resistance very good
Adhesion to steel 4.5 N/cm
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.
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Product comparison

Name of product tesa® 4818 tesa® 4657 PV0 tesa® 4688 tesa® 4541 tesa® 4549 tesa® 4661 tesa® 4660 tesa® 53799 tesa® 4613 Utility Duct Tape tesa® 4651 Premium tesa® 4671
Total thickness
180 µm
290 µm
260 µm
270 µm
300 µm
300 µm
260 µm
310 µm
180 µm
310 µm
280 µm
Type of adhesive
silicone
thermosetting natural rubber
natural rubber
natural rubber
natural rubber
natural rubber
thermosetting natural rubber
natural rubber
natural rubber
natural rubber
natural rubber
Backing material
PTFE coated glass cloth
Acrylic-coated cloth
PE extruded cloth
uncoated cloth
uncoated cloth
Acrylic-coated cloth
Acrylic-coated cloth
PE extruded cloth
PE laminated cloth
Acrylic-coated cloth
Acrylic-coated cloth
Last updated on 12 Feb 2026