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C11C <br /> Se 'tember17, 1971 <br /> SUPERSEDING <br /> Fed. Spec. P-C-111B <br /> July 7, 1966 <br /> FEDERAL SPECIFICATION <br /> CARBON REMOVING COMPOUND <br /> This specification was approved by the Commissioner, Federal Supply <br /> Service, General Services Administration, for the use of all Federal <br /> agencies. <br /> 1 . SCOPE AND CLASSIFICATION <br /> 1.1 Scope. This specification covers one grade of a single phase type <br /> liquid carbon removing compound for soak tank use in softening and facili- <br /> tating effective removal of carbon, gum, and other surface contaminants <br /> (except rust,and corrosion) from items such as automotive pistons, carbu- <br /> retors, fuel pumps and engine assemblies precleaned with degreasing solvent <br /> (see 6.1). <br /> 1 .2 Classification. <br /> 1 .2. 1 Types. This specification covers carbon removing compound of the <br /> j following types: <br /> I - Concentrated liquid. <br /> II - Ready to use liquid. <br /> 2. APPLICABLE DOCUMENTS <br /> 2.1 ' The following documents of the issues in effect on date of invitation <br /> for bids or request for proposal, form a part of this specification to the <br /> extent specified herein. <br /> q i FSC 6850 <br /> v <br /> Y <br />