tesa® 69904 is a highly transparent transfer tape produced under controlled clean room conditions and designed for optically clear lamination for rigid or flexible substrates with curved designs. It is post UV curable tape which could be cured under UVA and UVV (<410nm) wavelength.
FEATURES of tesa® 69904 transfer tape
- High transmittance and low haze
- Excellent temperature, humidity and UV-resistance
- Low UV curing dosage
- Excellent edge bubble suppression
APPLICATIONS of tesa® transfer tape
- Optically clear lamination of curved cover designs
- Optically clear lamination of plastic cover
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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 | none |
| Color | transparent |
| Color of liner | transparent |
| Thickness of easy release liner | 50 µm |
| Thickness of tape | 100 µm |
| Thickness of tight release liner | 75 µm |
| Type of adhesive | type: acrylic |
| Type of liner | type: PET film |
Properties / Performance Values
| Ageing resistance (UV) | very good |
| Transmittance (380 – 780nm) > | 99 % |
| Tack | low |
| Haze | 0.2 % |
| Humidity resistance | very good |
| Refractive index | 1.48 |
