| 摘要 |
FIELD: process engineering.SUBSTANCE: invention relates to metallurgy and can be used at injection moulding of parts with cavities. Rod is made from material composed of water soluble salt NaCl with grain size of 0.04-0.6 mm, binder of liquid glass and, if required, filler, additives and catalysts. Mix is formed by sand blasting at 6-10 bar and thermally solidified.EFFECT: rod features bending strength of 800-1500 N/cm, higher quality of castings, stable shape.10 cl |
