High-temperature and aging-resistant food-grade sealing rings and food-grade silicone sealing rings are heat-resistant, have strong ductility, and exhibit excellent temperature resistance, cold resistance, dielectric charge resistance, O3 resistance, and air aging resistance. The broad application temperature range of silicone highlights its characteristics, making it suitable for use in automotive parts, military raw material components, aerospace material molds, epoxy resin crafts molds, vehicle rubber molds, cruise ship molds, chocolate molds, cake molds, etc. It can also be used to make silicone prosthetics, silicone breast implants, silicone masks, silicone gasket rings, simulated food products, etc.