A ring joint gasket is a specialized type of gasket used in high-pressure and high-temperature applications. It's a metallic ring with a specific cross-sectional profile (either oval or octagonal) designed to fit into grooves machined into the mating flange faces.
When comparing basalt fiber and carbon fiber, there are several factors to consider, such as tensile strength, stiffness, thermal stability, and cost. Here is a detailed comparison: