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发明的详细说明: 本发明是关于获得极其均匀底层的硅钢片的退火隔离剂。硅钢片采用各种耐热材料作退火隔离剂,一般广泛采用的是MgO。退火隔离剂的主要目的,例如防止叠合硅钢片或带状钢卷在1200℃的高温退火时钢片间粘接。为了防止这种高温粘结,退火隔离剂的纯度越高,如果没有碱等杂质的混入,隔离剂的作用就更好。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an annealing separator for obtaining a very uniform underlayer of silicon steel sheet. Silicon steel sheet with a variety of heat-resistant materials for annealing isolation agent, generally widely used is MgO. The main purpose of annealing separator, for example to prevent laminated silicon steel sheet or strip coil annealing at 1200 ℃ high temperature bonding between steel plates. In order to prevent such high-temperature bonding, the higher the purity of the annealing separator, the better is the separator if there is no mixing of alkali and other impurities.