Letter 10014

Carbon Deposits 

Can you please tell me how to or with what acid I can use to clean off the carbon built up inside a 2 stroke exhust pipe?

Thanks,

Jason Strudwick
- Sydney, NSW, Australia

Jason,

I'm looking for a chemical to remove carbon contamination on SST 316 after citric passivation as well. Some one had told me to used KMNO2+ NaOH at 80'C.You may wend to try.

Any comment from any one?

Andy Yeo
Champ Asia - Singapore

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