Published on June 7, 2026
Resolved water ingress issues for a smart wearables brand's heart rate sensor. Redesigned sealing structure, upgraded waterproof rating from IP65 to IP68, return rate dropped by 96%.
A smartwatch manufacturer needed a custom sealing gasket for their heart rate sensor. The sensor window required:
1. Optical clarity requirements for PPG sensor
2. Consistent thickness for signal accuracy
3. Adhesion to metal sensor housing
4. Skin-friendly surface for extended wear
| Optical transmission | 94% |
|---|---|
| Seal integrity | 100% passed |
| Skin irritation | 0 reported |
The sealing gasket contributed to the product receiving medical device certification. Now in mass production with monthly output of 300,000 pieces.
"The transparent silicone gasket performs flawlessly. Signal quality improved compared to previous design."
Professional technical team, quickly solved the water ingress problem that plagued us for a long time, product quality greatly improved.
