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Our magnetite (Triiron tetraoxide) Fe3O4 is black powder with ≥99.03% purity. Its D50 particle size is 20nm (10–40nm range), BET SSA 85m²/g. Strict impurity control & qualified crystal phase ensure stable performance for magnetic material applications.
Numéro de dossier :
1317-61-9Formule moléculaire :
Fe3O4Densité :
5.17g/cm³Point de fusion :
1594℃Grade :
Industrial-GradeEmballage :
25kg per bagApparence :
Back PowderBasic information
Black cubic spinel Fe₃O₄ powder with ferrimagnetism, density 5.17g/cm³ & melting point 1594℃. 99.03% purity, 20nm grain size and low impurities for steady property.
Specification

1: Serve as core raw material for ferrite magnets, applied in electronic inductors and magnetic parts with steady ferrimagnetic property.
2: Work as black inorganic pigment PB11 for coatings & plastics, improving covering power and weather resistance of finished products.
3: Used in wastewater treatment to adsorb heavy metal ions, easy magnetic separation for recycling after pollutant capture.
4: Act as magnetic nano-carrier for drug loading and bioseparation, relying on fine 20nm particle size for biomedical exploitation.
Factor
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FAQ
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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