Additional Info
- Providing anti-stick properties to the equipment for heat sealing of films in packaging lines of various industries
- Masking applications above 200°C
- Gliding properties for material transportation
tesa® 4818
Heat Seal Release Tape
Product description
The pressure-sensitive adhesive tape consist of a PTFE-saturated glass cloth and a silicone adhesive.
tesa® 4818 features low friction and anti-stick properties on its surface and is chemically, mechanically, and thermally resistant.
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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Last updated on 28 Jul 2026