How to store the inoculant, the following give a little advice, I hope to help everyone:

1, where the particle size of uneven hammer sieve pieces, powder, white adhesions (ingot surface MgO) more, fracture color gray dark with abnormal shape of the inoculant is not a good inoculant, should not use the inoculant long-term storage with air contact, will weaken the inoculation effect;

2, heavy rare earth Y has a certain role in incubation, anti-gestation recession is very strong. However, relying solely on Y-based weight rare earths to conceive, its addition is very large, and the safety is good. Therefore, the amount of inoculant inventory should not be large, storage should pay attention to moisture-proof principle, as long as the chemical composition and incubation of the molten iron is mastered, the use of the above inoculant can produce cast ductile iron.

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