SiC Sintered silicon carbide seal ring ( rotating ring and stationary ring ) Huihan supplies ceramic seal rings with great mechanical properties which is widely used in pumps, valves, automotive engineering, and medical analysis equipment or even in the fully automatic coffee machines used in homes every day. Material: Pressureless sintered silicon carbide, reaction bonded silicon carbide, tungsten carbide Character: Exceptional resistance to corrosive and abrasive environments High temperature resistance