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M.Naguib · 01-18-2011, 06:10 AM,

Hi Sir,
Would you please , inform me what is the [/size]hardness limit of Metco Aluminum SF as a top coat over Metco 405 as a bond coat on Aluminum substrate?

Thanks alot , appretiate your help.

***Gordon*** · 01-19-2011, 05:00 PM,

Hi M.Naguib

Don't know of any specific hardness limits for SF Aluminium. The typical hardness of this coating as indicated in the technical bulletin is 95 HRh. An approximate conversion to a more practical Rockwell Superficial scale for testing coatings ~ 68 HR-15-T.

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