by (1) Sulfur: Grade II-III industrial sulfur, with a purity of over 95%, should be evenly crushed before preparation.
If it is damp, it should be dried before preparation.
.
Profession Shuttering Magnet Factory
Profession Shuttering Magnet Factory
(1) Sulfur: Grade II-III industrial sulfur, with a purity of over 95%, should be evenly crushed before preparation.
If it is damp, it should be dried before preparation.
.
