tesa® 4976
540 µm double sided PU foam tape
제품 기능- Good compensation for design tolerances
- Level out different thermal elongation of materials
- Shock absorption and sealing function
Product description
tesa® 4976 is a double sided tape consisting of a conformable black open cell PU foam backing and a tackified acrylic adhesive.
제품 기능
- Good compensation for design tolerances
- Level out different thermal elongation of materials
- Shock absorption and sealing function
- High short term temperature resistance
Application Fields
- Fixing of mirrors, decorative profiles and signs
- Mounting of cable channels
Product Construction
Type of adhesive | type: tackified acrylic |
Type of liner | type: glassine |
기재 소재 | PU 폼 |
이형지 두께 | 70 µm |
이형지 무게 | 80 g/m² |
이형지 색깔 | 갈색 |
총두께 | 540 µm |
컬러 | 검정 |
Properties / Performance Values
연신률 | 250 % |
인장강도 | 6.66 N/cm |
가소제 저항성 | medium, good |
장기간 온도저항 | 80 °C |
정적 전단응력 (40°C) | good, medium |
단기간 온도저항 | 200 °C |
정적 전단응력 (23°C) | good, medium |
내습성 | low |
내화학성 | medium, good |
Tack | good, medium |
노후성 (UV) | medium, good |
Adhesion to Values
ABS점착력 (초기) | 7 N/cm |
ABS점착력 (14일 경과) | 12 N/cm |
알루미늄점착력 (초기) | 5 N/cm |
알루미늄점착력 (14일 경과) | 9 N/cm |
PC점착력 (초기) | 8 N/cm |
PC점착력 (14일 경과) | 12 N/cm |
PE점착력 (초기) | 4.1 N/cm |
PE점착력 (14일 경과) | 4.3 N/cm |
PET점착력 (초기) | 5.5 N/cm |
PET점착력 (14일 경과) | 10 N/cm |
PP점착력 (초기) | 3.7 N/cm |
PP점착력 (14일 경과) | 7.4 N/cm |
PS점착력 (초기) | 5 N/cm |
PS점착력 (14일 경과) | 10 N/cm |
PVC점착력 (초기) | 5.5 N/cm |
PVC점착력 (14일 경과) | 12 N/cm |
Steel점착력 (초기) | 10 N/cm |
Steel점착력 (14일 경과) | 12 N/cm |
Additional Info
Peel Adhesion:
- immediately: foam splitting on Steel, Aluminium, ABS, PC, PS, PET, PVC
- after 14 days: foam splitting on Steel, Aluminium, ABS, PC, PS, PET, PVC
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.