| 摘要 |
FIELD: foundry, namely with use of investment patterns, possibly manufacture of ceramic shell molds. ^ SUBSTANCE: suspension includes, mass %: aluminum boron phosphate, 16.0 - 18.0; water, 16.0 -18.0; surface active matter, 0.1 - 0.5; magnesium silicate powder, 3.5 - 5.0; pulverized refractory filler, the balance. ^ EFFECT: improved quality of cast products, increased rate of making ceramic mold. ^ 3 cl, 2 tbl, 1 ex |
