DESCRIPTION OF GOODSThis product is the ascast alloy, without inclusion and oxidation loss powder, new section for silver gray.praseodymiumneodymium alloy in air is easy oxidation. Is poisonous, its toxicity equivalent to iron. Rare earth in the animal almost all hydrolysis, form the colloid and precipitation hydroxides, and not easy be absorbed. In the dry environment can keep long-term storage
Function: It is generally used for Nd-Fe-B permanent magnetic material
Package:Inner double plastic bags , Vacuum with argon ,50 or 100 kg/iron. drum.
standard: GB/20892-2007
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product code
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Chemical composition (mass fraction) / %
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REO.≥
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Pr/RE
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Nd/RE
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Impurity content ≤
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RE impurities
/REO |
NON-RE impurities
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La
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Ce
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Sm
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Fe
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Si
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Mg
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Ca
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Al
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Mo+W
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S
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C
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O
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||||
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045080
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99
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20±2
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80±2
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0.1
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0.1
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0.05
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0.3
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0.05
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0.02
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0.02
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0.1
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0.05
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0.01
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0.05
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0.05
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045075
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99
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25±2
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75±2
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0.1
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0.1
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0.05
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0.3
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0.05
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0.02
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0.02
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0.1
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0.05
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0.01
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0.05
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0.05
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045070
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99
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30±2
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70±2
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0.1
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0.1
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0.05
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0.3
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0.05
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0.02
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0.02
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0.1
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0.05
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0.01
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0.05
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0.05
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