Black Iron Oxide Powder

Bulk black iron oxide pigment powder for concrete coloring, coatings, plastics, rubber, bricks, tiles, and industrial dark-tone applications.

Lifeworth supplies black iron oxide powder for manufacturers reviewing black shade stability, tinting strength, dispersion, and reliable bulk pigment supply.

  • Stable black inorganic pigment powder
  • Suitable for concrete, coatings, plastics, rubber, bricks, and tiles
  • Black shade, tinting strength, particle size, and dispersion can be reviewed
  • COA, SDS/MSDS, and TDS support available
  • Sample testing and export-ready bulk packing available

Tell us your application, target specification, and destination market so we can support grade selection, documentation review, and packaging recommendations.

black iron oxide natural powder,bulk, supplier, manufacturer

Quick Specs

Identity

INCI Name

Black Iron Oxide

Alias

Iron Oxide Black; Black Iron Oxide Pigment; Pigment Black 11; CI 77499; Magnetite Black Pigment

CAS Number

1317-61-9

Molecular Formula

Fe3O4

Molecular Weight

231.53

Quality

Assay

Black iron oxide content / pigment strength per agreed specification

Grade

Industrial Grade

Handling

Appearance

Black to deep black fine powder

Form

Powder

Solubility

Insoluble in water; used as a dispersed pigment powder

Applications

Concrete coloring; coatings; plastics; rubber; bricks; tiles; decorative building materials; industrial color systems

Commercial Terms

MOQ

MOQ depends on packaging and specification.

Lead Time

3–7 working days for standard items; bulk orders by schedule.

Incoterms

EXW / FOB / CIF / DAP / DDP

Sample

Free sample (shipping charged)

Quality & Documents
COA (per batch) • SDS/MSDS • TDS/Spec sheet (on request). Additional statements depend on product and market.

Product Overview

Black Iron Oxide Powder is an inorganic black pigment commonly used in construction materials, coatings, plastics, rubber, and industrial dark-tone color systems.

It is usually supplied as a black to deep black fine powder, and buyers often review black shade, tinting strength, particle size, dispersibility, heat resistance, and batch consistency before technical or commercial evaluation.

It is commonly considered for concrete coloring, cement blocks, coatings, plastics, rubber, bricks, tiles, and decorative materials, with sample evaluation and batch document support available for sourcing reference.

black iron oxide natural powder bulk

Applications

Concrete & Cement Products
Black iron oxide powder is commonly used in colored concrete, cement blocks, paving stones, roof tiles, mortar, terrazzo, and precast construction products. It is selected for stable black or grey-black color, alkali resistance, and outdoor durability in mineral-based systems.

Coatings & Paints
Suitable for architectural coatings, industrial coatings, primers, protective coatings, and decorative paint systems. Buyers usually review hiding power, oil absorption, dispersion, binder compatibility, and final shade stability.

Plastics & Rubber
Can be used in selected plastic and rubber products where black color consistency, heat resistance, and low migration are required. Processing temperature and pigment dispersion should be tested before scale-up.

Bricks, Tiles & Decorative Materials
Used in bricks, tiles, artificial stone, landscape materials, decorative cement products, and construction coloring systems where stable black or dark-tone pigment performance is required.

How to Choose the Right Grade / Form

For Concrete and Cement Coloring
Choose a grade with stable black shade, good alkali resistance, and reliable dispersion in cement-based systems. Final color should be evaluated after curing.

For Coatings
Choose a grade based on hiding power, tinting strength, particle size, oil absorption, and binder compatibility. Outdoor coating systems should also review weather resistance.

For Plastics and Rubber
Choose a grade according to processing temperature, migration behavior, and dispersion performance. A construction-grade pigment may not automatically fit polymer processing.

For Black or Grey Shade Matching
Choose based on the target dark tone, dosage level, substrate, and final appearance requirement. A color card or reference sample is recommended for shade confirmation.

Specification Review
Confirm color shade, tinting strength, hiding power, particle size, oil absorption, heat resistance, and application compatibility before bulk order approval.

Technical & Formulation Notes

Technical Notes

Black iron oxide powder is evaluated by black shade, tinting strength, hiding power, dispersibility, particle size, moisture, oil absorption, heat resistance, weather resistance, and compatibility with the target system. For cement and concrete applications, alkali resistance and final dark shade after curing are especially important.

Commercial black iron oxide pigments are typically produced through controlled synthetic iron oxide processing, milling, classification, blending, and packing. Process control focuses on shade consistency, particle behavior, moisture control, and stable color performance across batches.

For concrete and cement products, review pigment dosage, cement color, water ratio, and final shade after curing.

For coatings, wetting, grinding, resin type, oil absorption, and hiding power can affect color development.

For plastics and rubber, test heat stability, dispersion, and processing compatibility before bulk production.

For grey or dark blended shades, test black iron oxide together with white, red, yellow, or other pigments in the final formulation.

For color approval, use the finished application system rather than dry powder appearance only.

Common review items include appearance, color shade, tinting strength, particle size, moisture, oil absorption, water-soluble matter, heat resistance, heavy metals, and application performance. COA, SDS/MSDS, TDS, and specification documents can be provided according to buyer requirements.

Product specifications

TestSpecificationMethod
AppearanceBlack fine powderVisual
IdentificationConforms to black iron oxide pigmentPer specification
Color ShadeBlack / deep black per agreed sample or standardColor comparison
Tinting StrengthPer agreed specificationColorimetric / per specification
Particle SizePer agreed specificationPer specification
MoisturePer agreed specificationPer specification
Oil AbsorptionPer agreed specificationPer specification
Water Soluble MatterPer agreed specificationPer specification
Heat ResistancePer application requirementPer specification
Heavy MetalsPer agreed specificationPer specification
DocumentsCOA, SDS/MSDS, TDS availableDocumentation

Storage, Shelf Life & Packaging

Storage

Store sealed in a cool, dry, and ventilated place; protect from moisture, contamination, and direct sunlight.

Shelf Life

Confirm according to agreed specification and storage condition

Packaging & Logistics

Sample Packing
Samples can be arranged for black shade comparison, dispersion testing, cement testing, coating evaluation, or formulation review.

Bulk Packing
Standard industrial packing is commonly available in 25 kg bags. Customized packing can be discussed according to order quantity, pigment specification, and logistics requirements.

Customization
Black shade, tinting strength, particle size, packaging format, and document requirements can be discussed according to concrete, coating, plastic, rubber, or decorative material projects.

Logistics & Documents
COA, SDS/MSDS, TDS, packing information, and export documents can be arranged according to order terms and destination market.

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Supply, Documentation & Customization

Documents & Compliance

COA, SDS/MSDS, and TDS/spec sheet available based on product and market requirements.

Customization & Private Label

Custom packing, private label, and labeling support available depending on product type and order scope.

Commercial Support

Sample, lead time, and incoterm options can be discussed according to destination market and supply plan.

Why Source From Lifeworth

Defined Spec Clarity
Support for reviewing black shade, tinting strength, particle size, dispersion, heat resistance, and application compatibility.

Customizable Key Target
Black tone, particle behavior, packing format, and document scope can be discussed according to concrete, coating, plastic, rubber, or decorative material projects.

Batch Documentation Support
COA, SDS/MSDS, TDS, packing information, and available technical documents can support buyer review and supplier approval.

Export-Ready Bulk Supply
Sample evaluation, bulk packing, export documentation, and shipment coordination can be arranged for international pigment sourcing.

Lifeworth Company Profile

FAQ

What is Black Iron Oxide Powder used for?
Black Iron Oxide Powder is used as an inorganic black pigment in concrete, cement products, coatings, plastics, rubber, bricks, tiles, and industrial dark-tone color systems.

Is black iron oxide powder water-soluble?
No. Black iron oxide powder is generally insoluble in water and is used as a dispersed pigment powder.

Can black iron oxide be used in concrete?
Yes. It is commonly used in colored concrete, cement blocks, paving stones, roof tiles, mortar, and precast products where black or dark grey tone is required.

What should buyers check before ordering?
Buyers should check black shade, tinting strength, particle size, dispersion, heat resistance, weather resistance, application compatibility, packaging, and documents.

Can black iron oxide be used for grey shade adjustment?
Yes. Black iron oxide can be evaluated for grey, dark grey, and blended shade systems, but the final tone should be tested in the actual formulation.

Can samples be provided before bulk order?
Yes. Sample discussion can be arranged for color matching, dispersion testing, and application evaluation.

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