Are the colors resistant to fading?

Yes, synthetic Red and Yellow Iron Oxides are inorganic and do not fade due to weather and UV rays, making them ideal for exteriors and interiors.

Industrial Concrete Colorants Black Iron Oxide Fe3o4

Name: Industrial Concrete Colorants Black Iron Oxide Fe3o4
Brand: Zhengzhou Kelai Chemical Co., Ltd.
SKU: 740505652

Henan, ChinaZhengzhou Kelai Chemical Co., Ltd.

US$900.00

5-19 Tons

US$800.00

20-49 Tons

US$700.00

50+ Tons

Sample price:US$0.00/kg.Request sample

Product profile

Customization

Available

CAS No.

1332-37-2

Formula

Fe2o3; Fe3o4

Model NO.

KL-IO-07

EINECS

215-168-2

Classification

Iron Oxide

Grade Standard

Industrial Grade

Kind

Amphoteric Oxide

Quality

First Class

Other Names

Ferric Oxide

Style

Inorganic Pigment

Oil Absorption

15-25%

Fe2o3

96%

The Relative Tinting

95.0-105.0

Acid Insoluble Substances

Max. 0.3

Package

25kg Craft Paper Bag

Water Soluble Substances

Max. 0.5

Assay(Fe2o3, Igniting)

Min. 96.0

Moisture (%)

Max 1%

Density (g/cm3)

0.7-1.1

Production Time

Within 7 Days

Usage

Pigment for Concrete, Brick, Paver,etc

Colors

Iron Oxide Red, Yellow, Black, Blue ,Green

Sample

Available

Transport Package

25kg/Bag, 1t/Pallet

Specification

99%

Trademark

Kelai

Origin

Henan

HS Code

2821100000

Production Capacity

4000mt Per Month

Key features

UV and Weather Resistance: Inorganic pigments resist fading from UV rays and weather, ensuring long-lasting color stability.

High Purity and Stability: Industrial grade iron oxides with Fe2O3/Fe3O4 content up to 96%, ensuring high strength and dispersibility.

Versatile Application: Suitable for concrete, paints, tiles, ceramics, and architectural products with vibrant, stable hues.

Fast Production Time: Production time is within 7 days, with sample delivery in 3 days and production in 15 days.

Multiple Color Options: Available in Red, Yellow, Black, Blue, Green, Brown, and Orange to meet diverse design needs.

Secure Packaging: Packaged in 25kg craft paper or plastic bags, stored on pallets for safe transport and storage.

Company profile

Zhengzhou Kelai Chemical Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-01-21Average Response Time: ≤2.69hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryZhengzhou Kelai Chemical Co., Ltd. is identified as a trading company headquartered in Zhengzhou, Henan, with permitted import and export activities. The provided information describes fine-chemical R&D, production, operations, and exports to more than 68 countries, although other records characterize the entity as a chemical-products trading business. It reports ISO 9001 and ISO 14001 certifications, OEM/ODM availability, recent new-product activity, and multiple customization options. Service logistics include warehousing, contract-carrier transportation, and stated lead times within 15 working days in both peak and off-season periods. However, it has no overseas showroom, agents, branches, or offline trade-show participation, and no SDK is available. Financial records are indicated for 2023–2025, but no substantive financial-performance evidence is provided. Supplier-management procedures are not documented, and customer evidence is limited to general claims of OEM service for known brands and exports...

Supplier typeThe supplier is explicitly classified as a trading company, with permitted import/export activities and a Zhengzhou, Henan location. Its background description also states involvement in fine-chemical R&D, production, and operations, so the available records present both trading and product-related capabilities.

CertificationsThe supplier reports holding ISO 14001 and ISO 9001 certifications. These are explicit certifications relevant to environmental and quality management systems.

After-Sales capabilityService support includes warehousing, contract-carrier transportation, and stated lead times within 15 working days in both peak and off-season periods. However, the supplier reports no overseas showroom, agents, branches, or offline trade-show participation, and offers overseas services in zero countries; therefore, after-sales coverage is not demonstrated as strong, particularly internationally.

R&D capabilityThe supplier reports R&D capability, at least one new product during the past year, and ODM services; its company background describes fine-chemical R&D. However, it explicitly has no available SDK, so innovation support is evidenced for product development but not for SDK-based integration.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, minor customization, flexible customization, and customization from designs. It also reports ODM availability, providing direct evidence of broad customization support.

Product Q&A

Q:What are the main applications of these iron oxide colorants?

They are widely used for coloring concrete, flooring, paints, tiles, ceramics, and architectural products due to their stability and vibrant shades.

Q:What is the minimum order quantity (MOQ)?

The MOQ is 25 MT, or combined models totaling 25 MT.

Q:How long does production take?

Production time is within 7 days. Sample delivery takes 3 days, and full production delivery takes 15 days.

Q:What are the storage conditions for the product?

Store in a dry place, avoid high temperatures, and keep away from acid-base complexes. Unpackaged products have a shelf life of three years under these conditions.

Q:What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.