Iron Oxide Brown Pigment

Product name	Iron Oxide Brown
CAS No.	1309-37-1 & 51274-00-1 & 1317-61-9
EINECS	215-168-2 & 243-746-4 & 215-277-5
C.I. No.	C.I. 77491 & 77492 & 77499 (Synthetic iron oxide mixture)
Appearance	Brown powder
Formula	Mixture of Fe₂O₃·αH₂O, Fe₂O₃·H₂O and Fe₃O₄

product details

Product details

Overview

Iron Oxide Brown is a high-performance inorganic brown pigment, a synthetic iron oxide mixture with a rich dark brown hue and excellent light fastness. It features good compatibility with various substrates, widely used in building materials, coatings, plastic and rubber polymers.

Our Strict quality control ensures consistent batch performance for diverse industrial coloring needs.

Physical And Chemical Properties

As a premium inorganic brown pigment, Iron Oxide Brown stands out with its superior functional traits:

- Odor: Odorless
- pH Value: 4.0~7.0
- Density: 4.4~4.8 g/cm³
- Hue Characteristic: Uniform and rich dark brown
- Solubility: Insoluble in water (<0.5%)
- Heat Resistance: High temperature resistant
- Light Fastness: Excellent

Advantages

1. Uniform Coloring Effect: Rich and consistent dark brown hue, stable color performance between batches, meeting the high requirements of industrial continuous production for coloring consistency.

2. Stable Physicochemical Properties: No decomposition under standard storage and processing conditions, resistant to water and common organic solvents, adaptable to harsh application environments.

3. Excellent Light Fastness: Good light resistance performance, long-lasting color retention without fading under outdoor natural light exposure, suitable for outdoor industrial coloring scenarios.

4. Good Substrate Compatibility: High adaptability to building materials, coatings, plastics and rubber substrates, no adverse impact on the mechanical properties of finished products.

Application

The product is a general industrial type with multiple dedicated models for universal industrial coloring scenarios, specific matching information as follows:

General industrial type
(1) Models: 600, 610, 655, 663, 686
(2) Core features: Rich dark brown hue, excellent light fastness, good compatibility with various substrates
(3) Application scope: Building materials, concrete masonry blocks, paint & coatings, chemical fertilizer, plastic and rubber polymers, fibre cement, paper, mortar, wood plastic composites, paving stones, industrial coating, roofing tiles.

Quality Assurance

1. Strict Full-process QC: Each batch undergoes rigorous testing for key indicators, complying with international industrial and ISO standards.

2. Stable Batch Consistency: Advanced production process ensures no obvious performance difference between batches, supporting continuous production.

3. Reliable Supply Chain: Stable raw material sources and standardized production facilities ensure sufficient supply and on-time delivery.

4. Professional Technical Support: Provide customized solutions for pigment dispersion and application optimization, solving actual production problems.

CONLUSION

Iron Oxide Brown is a high-quality inorganic industrial coloring pigment with a synthetic iron oxide composite system as the core, featuring the advantages of rich dark brown hue, excellent light fastness and good substrate compatibility. Its fully cover general industrial coloring scenarios, and are the preferred brown coloring materials for building materials, coatings, plastic and rubber polymers and other fields.

Backed by strict full-process quality control, stable batch consistency and professional technical support, our Iron Oxide Brown can fully meet the diverse industrial coloring needs of different substrates and processing processes. Contact our team for sample requests, technical specifications and bulk order inquiries, and we will provide efficient and customized coloring solutions for you.