super quality spark plug ceramic

1)Material:Corundum, mullite, corundum alumina, 95%~99% Alumina, Zirconia Ceramics

2)Variety: ceramic ring, ceramic cup, ceramic needle/ball/base etc erose part

3) Fetures:

    corrosion on acid-Bases, thermostability and seismic-resistance, durable and wearable, good sealing property

There is no any wear or leakage after 500 thousands of tmes usage.

Environmentally friendy and good for health

4)Application

       widely used for seal ring, water seal ring, water valve/hydrovalve