tesa® 4912 is a transparent, double-sided self-adhesive tape consisting of a ultra-thin PET film backing and a tackified acrylic adhesive.
FEATURES of tesa® 4912 film tape
- Thickness: 5µm
- Excellent heat transfer due to very low thickness
- High adhesion level relative to low thickness
- Excellent conformability and adjustment to curved surfaces
- Excellent resistance to demanding environmental conditions
APPLICATIONS of tesa® 4912 film tape
- Mounting of heat spreading parts
- Nanocrystal sheet lamination
- Ultra-thin gap filling
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 | PET film |
| Color | transparent |
| Total thickness | 5 µm |
| Type of adhesive | type: tackified acrylic |
Properties / Performance Values
| Static shear resistance at 23°C | medium |
| Temperature resistance short term | 140 °C |
| Humidity resistance | very good |
| Temperature resistance long term | 80 °C |
Adhesion to Values
| Adhesion to PC (initial) | 3.6 N/cm |
| Adhesion to PC (after 14 days) | 4 N/cm |
| Adhesion to PMMA (initial) | 4 N/cm |
| Adhesion to PMMA (after 14 days) | 4.3 N/cm |
| Adhesion to Steel (initial) | 3.6 N/cm |
| Adhesion to Steel (after 14 days) | 3.9 N/cm |
