400G optical modules have high power consumption and contain internal optical components. A micro-leak in the housing allows moisture to condense during temperature cycling, causing optical degradatio···
Automotive air-conditioning pipe joints bear pressure through crimping, brazing and quick-connect structures. Refrigerant molecules are small, and the requirements on sealing faces are higher than tho···
A hemodialysis filter requires both the blood side and the dialysate side chambers to be sealed simultaneously, with no cross-leakage between the two sides.
The smartphone midframe and back cover are bonded by dispensing adhesive or a seal strip. Button openings, the SIM tray, the speaker and the USB port are all water ingress paths, and a broken adhesive···
AC charging guns are exposed to rain, condensation and insertion/withdrawal wear outdoors over the long term. Water ingress at any point among the terminal cavities, the mechanical lock cavity and the···
The seal assembly of a laparoscopic trocar determines the pneumoperitoneum maintenance capability during repeated instrument insertion and withdrawal. Failure of the seal cap or duckbill valve will ca···
The body of a bone conduction headphone must work normally under sweating and rain. The acoustic breather membrane of the transducer cavity, buttons, magnetic charging contacts and silicone-overmold j···
The sealing difficulty of waterproof wire harness connectors lies where the core wires pass through: every wire must pass through a sealing plug or potting body, and the tolerance of wire diameter com···
After the TWS charging case is closed, the seal strip and dispensed adhesive surface bear the pressure. The charging pin holes, Type-C port and indicator light hole are common water ingress paths. Swe···
Flexible endoscope handles must meet whole-unit water resistance requirements. If the handle cavity or insertion tube seal fails, cleaning and disinfection fluids can intrude, causing electrical and o···
