The world's leading medical materials company announced that its expanded polytetrafluoroethylene (ePTFE) sealing material has passed the US FDA Class II medical device certification, becoming the first fluoropolymer sealing solution designed specifically for high-end implantable devices. This material, with its zero cell toxicity, ultra clean production process, and controllable microporous structure, successfully solves the pain points of traditional silicone or metal seals that are prone to inflammation and poor corrosion resistance in the human body.