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 44079
SEALING OF ALUMINUM COMPONENT
February 20, 2007
PLEASE LET ME KNOW HOW TO SEAL A ALUMINIUM COMPONENT SO THAT IT
CAN GO THROUGH THE DYE SPOT TEST.
WHAT TEMPERATURE IS REQUIRED IN SEALING PROCESS
ALUMINIUM GRADE WHICH WE ARE USING IS 6082T6
BRIJESH RATHI
AUTOMOBILE COMPONENT MANUFRACTURER - FARIDABAD, HARYANA, INDIA
February 20, 2007
Hello, Brijesh. When parts are anodized, the anodized film is a
honeycomb-like structure whose pores can be filled with dye if
desired, or left empty. Then almost boiling hot water, or another
sealant, is used to close the pores so that dirt and unwanted
discolorations will not be absorbed into them.
By now you can probably foresee that how much sealing is required
is proportional to how much anodizing is present, and that different
sealants may be required based on what kind of dye was used and what
kind of service the parts will see. If you can flesh out your
question with more details, the answer may be less vague. Good luck.
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Ted Mooney, P.E.
finishing.com
Brick, New Jersey
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