| 摘要 |
FIELD: composition of glass; manufacture of floor tiles, pipes, ejector bodies for aeration systems and abrasive material pneumatic transport. ^ SUBSTANCE: proposed glass contains the following components, mass-%: SiO2, 50.0-58.0; Al2O3, 15.0-20.0; CaO, 5.0-7.0; MgO, 5.0-7.0; Fe2O3, 1.0-2.0; MnO, 5.0-7.0;S-2, 0.1-0.2; Na2O and/or K2O, 1.9-3.8; B2O3, 5.0-7.0. ^ EFFECT: enhanced resistance of glass to attrition. ^ 1 tbl |
