finish annealing meaning in English

完工退火
最终退火

Addition agent for mgo used on the silicon steel the agent can improve qualities of oriented silicon - steel coatings , enhance magnetic properties of silicon steel and decrease the finishing annealing emperature and time in manufacturing of oriented steel
作用：专用于取向硅钢片高温退火隔离涂层，是国内新的取向硅钢涂层用氧化镁，该涂层具有国内第二代硅钢氧化镁的透气性，又具有纳米氧化镁的活性。