Product Introduction
tesa® 61250 is a black, double-sided self-adhesive tape with a PET backing and a chemical-resistant adhesive for versatile applications.
tesa® 61250 Features:
- Excellent chemical resistance to polar and nonpolar chemicals
- Excellent shock resistance
- Double PET liner for ease of handling
- Halogen-free
- Skin-compatible (ISO 10993-10:2010; ISO 10993-5:2009)
tesa® 61250 Applications:
- Cover glass mounting in wearable devices
- Mounting parts in electronic devices like keyboards and earphones
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 | PET film |
| Color | black |
| Color of liner - inside | transparent |
| Color of liner - outside | transparent |
| Thickness of liner - inside | 50 µm |
| Thickness of liner - outside | 50 µm |
| Total thickness | 50 µm |
| Type of adhesive | type: specialty |
| Type of liner - inside | PET |
| Type of liner - outside | PET |
| Weight of liner | 72 g/m² |
Properties / Performance Values
| Elongation at break | 50 % |
| Tensile strength | 20 N/cm |
| Tack | medium |
| Temperature resistance short term | 120 °C |
| Chemical resistance | very good |
| Humidity resistance | very good |
| Temperature resistance long term | 70 °C |
Adhesion to Values
| Adhesion to Aluminium (initial) | 7 N/cm |
| Adhesion to Aluminium (after 14 days) | 8 N/cm |
| Adhesion to Glass (initial) | 8.3 N/cm |
| Adhesion to Glass (after 14 days) | 9.2 N/cm |
| Adhesion to PC (initial) | 7.9 N/cm |
| Adhesion to PC (after 14 days) | 12.5 N/cm |
| Adhesion to PE (initial) | 2 N/cm |
| Adhesion to PE (after 14 days) | 4 N/cm |
| Adhesion to Steel (initial) | 7.9 N/cm |
| Adhesion to Steel (after 14 days) | 9.1 N/cm |





