Product Introduction
tesa® 8857 is a specialized tackified acrylic adhesive system, designed to offer excellent high-temperature resistance, making it ideal for demanding FPC mounting applications.
tesa® 8857 Features:
- High temperature resistance with strong holding power and peel strength even after solder reflow processes
- High tensile strength and good repulsion resistance
- Excellent die-cutting properties with minimal oozing due to special backing
- High conformability for uneven surfaces
- Superior aging resistance
- Conforms to RoHS standards
tesa® 8857 Applications:
- FPC mounting for electronic components subjected to high temperature processing
- Applications in operating environments with demanding temperature conditions
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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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 |
