1·Alkaline resin chromite sand is used to produce qualified impeller casting.
选用碱性树脂铬矿砂生产出合格的叶轮。
2·The cooling rate is faster in chromite sand mold, but also causes more porosity in castings.
铬砂制作的砂模可让铸件有较快的冷却速率，但也产生较多的微孔隙。
3·The main refractory of the coating consists of the 75~200 mesh chromite sand, magnesite and corundum sand.
这种涂料的主要耐火骨料是75~200目铬铁矿砂、 镁砂、 刚玉砂等。