tesa® 8857 is made from special tackified acrylic adhesive system which has excellent high temperature resistance, ideal for demanding FPC mounting applications.
FEATURES of tesa® 8857 non-woven tape
- High temperature resistance with sufficient holding power and peel strength even after solder reflow process
- High tensile strength, good repulsion resistance
- Excellent die-cutting properties and very low oozing due to special backing
- High conformability for uneven surfaces
- High aging resistance
- Conforming to RoHS
APPLICATION of tesa® 8857 non-woven tape
FPC mounting application of electronic components, subjected to high temperature processing and operating environments.
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About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
Product Construction
| Backing material | ultra thin non-woven |
| Color | translucent |
| Color of liner | white |
| Thickness of liner | 3.39 mils 86 µm |
| Total thickness | 1.97 mils 50 µm |
| Type of adhesive | type: tackified acrylic |
| Type of liner | type: heat resistant paper |
| Weight of liner | 142.23 lbs/in² 100 g/m² |
Adhesion to Values
| Adhesion to ABS (initial) | 2.74 lbs/in 4.8 N/cm |
| Adhesion to ABS (after 14 days) | 3.43 lbs/in 6 N/cm |
| Adhesion to Aluminium (initial) | 2.57 lbs/in 4.5 N/cm |
| Adhesion to Aluminium (after 14 days) | 3.37 lbs/in 5.9 N/cm |
| Adhesion to PC (initial) | 3.31 lbs/in 5.8 N/cm |
| Adhesion to PC (after 14 days) | 3.94 lbs/in 6.9 N/cm |
| Adhesion to PET (initial) | 2.86 lbs/in 5 N/cm |
| Adhesion to PET (after 14 days) | 3.08 lbs/in 5.4 N/cm |
| Adhesion to PI (initial) | 3.37 lbs/in 5.9 N/cm |
| Adhesion to PI (after 14 days) | 3.43 lbs/in 6 N/cm |
| Adhesion to Steel (initial) | 3.03 lbs/in 5.3 N/cm |
| Adhesion to Steel (after 14 days) | 3.71 lbs/in 6.5 N/cm |
