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Subject: Suitability of Phenolic Resin/PTSA hardner system

Date: 08/15/03 at 9:48 AM
Posted by: B.Bhaskar
E-mail: bhaskar1@vsnl.com
Message Posted:

Can the Phenolic Resin/PTSA hardner binder system be used for sand moulds and cores in the manufacture of SG Iron (Ductile Iron) castings? Does the sulphur in 'Sulphonic Acid' hardener interfere with the formation of spheroidals in SG Iron?

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