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As we continue to grow within the medical electronics industry, we at DELO developed a medical-grade adhesive: DELO MONOPOX MG3727. Based on a long-proven consumer electronics adhesive featuring low temperature curing and drop resistance, this adhesive expands upon its capabilities with non-cytotoxicity, thus meeting the standards (DIN EN ISO 10993-5) necessary to classify it as a medical-grade adhesive.
Smartwatch with health features such as PPG and ECG sensors. (Figure: DELO)
DELO MONOPOX MG3727 is tailored ideally for use in the assembly of biosensors, including ECG/EKG electrodes. As stainless steel is often central to the construction of such equipment, we ensured that this new adhesive performs well with this substrate material, testing at a compression shear strength of 11 MPa.
This one-component, solvent-free and humidity-resistant adhesive features a low Young’s modulus of 160 MPa, making it resistant to cracking under sudden impact, such as if a sensor falls to the ground. A low glass transition temperature of -52 °C helps the adhesive retain its properties across the range of temperature at which a sensor may be utilized.
DELO MONOPOX MG3727 takes 10 minutes to fully cure via a low heat of 90 °C, making it optimal for temperature-sensitive substrates. With a viscosity of 30,000 mPa·s, it can be easily applied via needle dispensing for optimal production efficiency. Blue fluorescence allows for increased process control of dispensing accuracy.
Exploded view of biosensor electrode with adhesive application regions highlighted in magenta. (Figure: DELO)
Do you have an upcoming medical wearables project in which our expertise would be helpful? Would you like a free consultation on your options? Get in touch with our experts!
DELO is a leading provider of high-tech adhesives, offering solutions for automotive, electronics, and semiconductor industries for over 25 years. Our innovative technologies set industry standards. Companies like Bosch, Huawei, and Siemens trust DELO for superior adhesive technologies.
We are your touchpoint for high-tech bonding. Our specialist worldwide are keen to support you. Get in touch with us now!
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