It is made of the alumina, it features high anti-wear ability, high hardness, high-tenacity, high anti-corrosion. But because it is a two piece plunger that have to install on the plunger guide and tighten by the nut, so the alignement is not perfect, and have the potential failure to crack.
Ceramic plunger pige replacement kit
For triplex pump 15series, 1pc/plunger and 3pcs/pump.
For triplex pump 18series, 1pc/plunger and 3pcs/pump.
Audited Supplier 
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