Zhejiang Dongxin Seal
This firm specializes in the development and manufacture of silicon carbide, carbon graphite, hot-press graphite and other materials for sealing systems. Its latest product — sinter silicon carbide with free graphite (SSiC+C; photo) — has been developed for applications such as the seal rings of mechanical seals. The material can be used in corrosive environments. Another new material launched at AchemAsia is a porous SSiC+C that provides superior self-lubrication and instant dry friction in the event of an emergency. Stand 15U — Zhejiang Dongxin Seal Co., Shanghai, China