FS powder can be used as a substitute for coal dust to prevent metal penetration.
FS粉可以取代煤粉作抗粘砂材料,其加入量比煤粉少,可以显著降低型砂的灰分、水分和发气量,提高透气性。
FS powder can substitute for coal dust to prevent metal penetration in the green molding sand casting.
在湿型砂中采用FS粉代替煤粉,能够降低型砂中的水分、灰分、发气量,提高了型砂的透气性、强度和造型生产率,减少粘砂,气孔,砂眼等缺陷,同时可以使得工人的工作环境也得到改善。
it introduces initial commercial application of diesel oil non-hydro refining technology by FS method in Mudanjiang Petrochemical Complex.
介绍了FS法柴油精制技术在牡丹江石油化工厂的首次工业应用。
