Supply high-quality 722 and 723 iron oxide black produced in Hunan, China

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Iron oxide black（Gaoxingzhongcai）

Type/specification

**2,**3China national standard

Brand

gaoxingzhongcai

Perform standard

HGT ********1   Pure chemical synthesis

********9

Iron oxide black

Molecular formula Fe3O4, black or dark red powder is ferrous oxide and three iron oxide adduct, small granular. Insoluble in water, alcohol, soluble in concentrated acid, hot strong acid. Has the magnetism, high tinting strength and hiding power. Has good weather resistance, resistance to light and atmosphere, durability, permeability and oil permeability. Good alkali resistance, heat to **0℃. High temperature heated easy to oxidation, into a red iron oxide is widely used in printing ink, watercolor, paints, oil paints, coloring of architectural coatings, building materials

 

Product type: ultra fine black pigment

 

Product shape: Powder

 

Chemical classification: synthetic iron oxide Fe3O4

 

Color index: pigment black *1 (****9)

 

CAS No: ********9

 

Application suggestion: coating, construction, plastic

 

Dispersion fineness (μm):                            max. *0

 

Water soluble matter (%)                                    0.5

 

Sieve residue (0.**5 hectometer) (%)         max. 0.*5

 

Fe3O4 (%)                                                     min *4

 

PH                                                                    **8

 

Volatile matter (%) at **5°            C max. 1

 

Shape                                                                                                ball