Zirconium dioxide (ZrOm2 ) is a white crystalline oxide of zirconium. It is usually called as zirconia in industries. It is one of the most studied and used ceramic materials. It has excellent physical characteristics and unique chemical properties.
Plastic pall ring is made from heat resistant and chemical corrosion resistant plastics, including polyethylene (PE), polypropylene (PP), reinforced polypropylene (RPP), polyvinyl chloride (PVC), chloridized polyvinyl chloride (CPVC) and polyvinylidene fl