HNA ceramic liners combine the strength of a forged steel outer shell with the abrasion and corrosion ...    More ...

HNA ceramic liners combine the strength of a forged steel outer shell with the abrasion and corrosion resistance of a ceramic inner sleeve. We provide Zirconia(ZrO₃) Sleeves as well as Alumina(Al₂O₃.) sleeves., of which Ziconia exhibits better impact strength, higher hardness and be honed to finer surface finishes than alumina.
 

Zirconia has three important property advantages compared to alumina.
- Zirconia exhibits better impact strength. 
- Zirconia is harder than alumina. 
- Zirconia can be honed to finer surface finishes than alumina. Finished to 4 RMS, the zirconia liners - provide a surface finish that's three to four times finer than alumina.
 
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