A blend of organic and inorganic minerals used in the foundry industry during the manufacturing process for metal castings in the green sand molding process for reducing environmental emissions in the foundry, the predominant mineral being inorganic with smaller additions of organic materials, containing bentonites, aluminosilicate, and processed carbons

'addit':40 'aluminosil':46 'bentonit':45 'blend':2 'carbon':49 'cast':19 'contain':44 'emiss':29 'environment':28 'foundri':11,32 'green':22 'industri':12 'inorgan':6,37 'manufactur':15 'materi':43 'metal':18 'miner':7,35 'mold':24 'organ':4,42 'predomin':34 'process':16,25,48 'reduc':27 'sand':23 'smaller':39 'use':8

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