| 摘要 |
FIELD: foundry. ^ SUBSTANCE: method comprises steps of adding to liquid epoxy resin 20 -25% of desired product, agitating resin with added product and adding curing agent to mixture; applying prepared composition layer by layer onto negative or pouring it to mold. ^ EFFECT: reduced embitterment, enhanced strength of patterns to bending loads due to addition of desired product to composition before adding curing agent to it. ^ 1 tbl, 1 ex |
