FIELD: foundry, namely manufacture of casting cores.
SUBSTANCE: sand for making casting cores contains technical lignosulfonate, quartz sand and bitumen solution in kerosene with density 0.8 - 1.0 g/cm3 at next relation of ingredients, mass %: technical lignosulfonate, 4 - 5; bitumen solution in kerosene with density 0.8 - 1.0 g/cm3, 2.5 - 3; quartz sand, 92 - 95,5.
EFFECT: increased strength of sand for making casting cores.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| SAND FOR MAKING CASTING MOLDS AND CORES | 2005 |
|
RU2288805C2 |
| SAND FOR MAKING CASTING MOLDS AND CORES | 2004 |
|
RU2292980C2 |
| METHOD OF PRODUCING BINDING MATERIAL FOR FABRICATION OF MOULDING ASSEMBLIES AND CORES | 2011 |
|
RU2449854C1 |
| BINDER FOR MANUFACTURING CASTING BARS AND HEAT HARDENING MOLDS | 0 |
|
SU1748916A1 |
| EMULSION TYPE HEAT HARDENABLE BINDER FOR MAKING CASTING MOLDS AND CORES | 2002 |
|
RU2227080C1 |
| COMPOSITION FOR MANUFACTURE OF CORES AND THERMAL SOLIDIFICATION MOLDS | 1991 |
|
RU2017555C1 |
| SAND FOR MAKING CASTING CORES | 2004 |
|
RU2288804C2 |
| VERSIONS OF BINDING COMPOSITION FOR MAKING CORES AND MOULDS WITH HOT HARDENING | 0 |
|
SU1311836A1 |
| SAND FOR MAKING CASTING MOULDS | 0 |
|
SU749536A1 |
| SAND FOR MAKING HEAT-CURED CASTING MOULDS AND CORES | 0 |
|
SU1696093A1 |
