原产地：巴西Grease-mixed silicon carbide valve grinding compoundSilicon carbide valve gringding compound by “ CARBORUNDUM”, while particularly adapted for autombile engine valves,can be used with most satisfactory results on steam,gas or watertinght joints and for any pur*e where perfect bearing surfaces are required on brass, bronze, *t-iron or steel.巴西CARBORUNDUM钢砂膏采用进口炭硅化合物、金刚砂以及多种防锈排水力强的原材料等复合而成，适用于模具钢材，铜材，铸铁及各种硬金属打磨、抛光或多种*及柴油发动机气门维修使用。
常州普锐斯模具有限公司
