| 摘要 |
FIELD: refractory materials. SUBSTANCE: clay intended for closing tap holes of blast furnace contains, wt %: refractory filler (quartzite/sand or bauxite/corundum mix) 34-66.5, refractory clay 13-20, carbon-containing component 5-20, silicon carbide 2.5-10.0, organic binder (in the form of phenol resin and oil still residue) 10.5-11.5, and water 1- 2. EFFECT: increased plasticity and accelerated hardening after placing into tap hole. 2 tbl |
