O-rings in medical grade materials seal syringes and connectors. Metric and AS568 sizes ensure interchangeability. Lubricant-free surfaces prevent particulate generation. X-ray detectable fillers locate lost fragments. (500 characters) Custom medical seals incorporate antimicrobial additives to inhibit growth. Silver-ion technology integrates into silicone matrices. FDA registers add... https://globalsealstech.com/oil-gas-seals/