FIELD: metallurgy.
SUBSTANCE: blend consists of 28.9-44.1 mas.% of a fine dispersed silica sand, 32.4-11.0 mas. % recycled cement sand blend, 10.8-18.2 mas. % Portland cement, 0.6- 1.5 mas. % nine water aluminium nitrate, water - the rest.
EFFECT: reduced cost of blend production with maintaining its high processing qualities and increased efficiency of cement molds fabrication.
2 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| POURING SELF-SETTING MOLDING SAND FOR MAKING MOLDS AND CORES AT PRODUCING CASTINGS WITH USE OF INVESTMENT PATTERNS | 2004 |
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| SELF-HARDENING SAND FOR MAKING MOULDS AND CORES | 0 |
|
SU1458058A1 |
| LIQUID SELF-HARDENING SAND FOR MAKING MOULDS AND CORES | 0 |
|
SU1318345A1 |
| MIXTURE FOR MANUFACTURING MOLDS AND RODS ON GYPSUM BINDER IN PRODUCTION OF NONFERROUS AND PRECIOUS ALLOY CASTINGS | 2000 |
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| MIXTURE FOR MAKING MOULDS AND CORES AND METHOD FOR ITS PREPARATION | 2023 |
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RU2813028C1 |
