日本公司(横浜市绿区)已开始出售精密铸造用的CX-622型芯材料。 本材料有2种,一种是粉末;另一种是液体。如果以适当的比例混合,则形成乳状悬浮液的浆料。把这种浆料注入到蜡模内,使之硬化,可制造出坚实的陶瓷型芯。本材料即使使用磷酸盐粘结的二氧化硅耐火材料,也 Japanese company (Yokohama-shi Green Zone) has started to sell the CX-622 core material for precision casting. The material has 2 kinds, one is powder; the other is liquid. If mixed in the proper ratio, a slurry of a milky suspension forms. This slurry is injected into a wax mold to harden it to produce a solid ceramic core. Even if phosphate-bonded silica refractories are used with this material,