| 摘要 |
FIELD: invention relates to composite building materials, in particular to organic concrete mix compositions, for manufacturing transfer molds as well as being used for other building parts of small architectural forms. SUBSTANCE: mix includes, wt %: epoxide resin 30-40, polyethyleneamine hardener 3-4, tetraethoxysilane additive 2-4, octamethylcyclotetrasiloxane additive 0.4-0.6, quartz sand 22-38, ferruginous quartzite concentration waste 22-29.4, and silica powder 2-2.6. EFFECT: increased bend and compression strength, increased specific impact resistance and wear resistance of finished products. 2 tbl |
