The acid resistance of cast iron enamel has been increased by milling addition of SiO2 nano-powder into the enamel without changing the cast iron enameling technology.

• 通过磨加方法,将纳米二氧化硅引入到铸铁搪瓷釉中,在不改变铸铁搪瓷釉工艺性能的条件下,提高铸铁搪瓷的耐酸化学稳定性。