MOULDING MIX

摘要

FIELD: metallurgy. ^ SUBSTANCE: invention refers to foundry production. The mix contains the following components, wt %: organic bentonite 5.0 - 7.8; petroleum extracts 0.6 - 0.9; oleic acid 0.04 - 0.07; dioctyl phthalate 0.03 - 0.05; residual petroleum oil 2.3 - 3.5; the rest is quartz sand. ^ EFFECT: enhanced turnover of the moulding mix. ^ 2 tbl