NPC’s pure alumina N-99 is used as washer and shaft for a pump. It has 99.5% alumina purity. This products were adopted by many professional pump makers for a long time.
Feature
- Chemical resistance—Few impurities, Strong against acid and alkali
- Dimensional accuracy—Grinding the entire surface.
- surface roughness—Shaft（Up to Ra 0.2-0.3, Washer（Up to Ra 0.1-0.2）
- Experience —We have been supplying these products for many professional pump makers for over 20 years.
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