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Demei focuses on the research, development, and production of inorganic iron oxide pigments. Our pigments cover iron oxide red, yellow, black, brown, green, orange, blue, etc.
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Product Details
Comprehensive information about our iron oxide pigments including specifications, applications, advantages, and more
Inorganic Black Color Materials
High-performance inorganic pigment with excellent color stability, weather resistance, and broad application range.
The Permanent Choice for a Changing World
Deqing Demi Pigment Technology Co., Ltd. is a global leader in inorganic color technology. We recognize that for architectural and industrial designers, "Time" is the ultimate test. Our inorganic black series is built to outlast the competition. We provide the "Inorganic Security" that allows our clients to build projects and products designed to last for generations without ever losing their deep, original black tone.
Inorganic Black Usage Areas
- Construction Masonry: Fade-proof black for concrete blocks, pavers, and stucco.
- High-Heat Industrial: Stable black for industrial chimneys, engines, and grills.
- Public Infrastructure: Permanent black for street furniture, signs, and monuments.
- Refractory Materials: Coloring for high-temperature bricks and linings.
Inorganic Black Technical Specs
| Metric | Value | Standard |
| Lightfastness | 8 (Maximum) | ISO 105-B02 |
| Weathering Resistance | Grade 5 (Excellent) | ASTM G154 |
| Heat Stability | 180∘C−600∘C (Select) | Internal Method |
| Chemical Resistance | Acid/Alkali Stable | DIN 53230 |
| Specific Gravity | 4.5 - 5.1 g/cm³ | ISO 787-10 |
Performance Features
- UV-Immortality: Will not bleach or grey even after decades of direct desert sun.
- Non-Flammable: Mineral-based material with no organic fuel content.
- Total Opacity: Provides superior hiding power for one-coat applications.
- Eco-Friendly: Non-toxic mineral composition safe for soil and water contact.
Q: Is this "safer" than Carbon Black for construction?
A: Yes. Carbon black can sometimes leach out of concrete over time; inorganic iron oxide bonds chemically and physically to the cement, ensuring the color is permanent.
Q: Can it be used in high-acid environments?
A: Yes, our inorganic blacks are highly resistant to chemical attack and atmospheric pollutants.
Environmental Performance Services
We offer "Life-Cycle Color Reports," providing data on how our inorganic black will look after 10, 20, and 50 years of simulated weathering.
Custom Mineral Blends: we can combine inorganic black with other mineral oxides to create stable "Charcoal," "Slate," and "Onyx" shades.
The Science of Photonic Dissipation
The permanence of inorganic black comes from its "Electronic Configuration." Organic pigments fade because UV photons have enough energy to break their molecular bonds. In our inorganic black, the UV energy is absorbed and converted into "Lattice Vibrations" (heat), which is then safely dissipated without changing the pigment's chemical structure. This scientific "Energy Management" is what makes the color immune to sunlight, ensuring the deep black remains unchanged for the life of the material.
About Demei
Demei Chemical Co., Ltd. specializes in the research, development, and production of inorganic iron oxide pigments. With over a decade of experience in the field, we have established ourselves as a leading manufacturer with advanced production facilities and a dedicated R&D team.
We are China Custom Inorganic Black Color Materials Manufacturers and Wholesale Inorganic Black Color Materials Suppliers, Factory. Our comprehensive pigment range includes iron oxide red, yellow, black, brown, green, orange, and blue. We produce high-performance and high-stability composite iron oxide pigments with three specialized series: Standard, Micronized, and Low Heavy Metal Content levels.
Our products are exported to more than 30 countries and regions worldwide, serving diverse industries including construction, coatings, plastics, rubber, ceramics, and paper. We pride ourselves on consistent quality, excellent color properties, and reliable technical support for our global clients.
R&D Excellence
Continuous investment in research and development ensures technological leadership. Our R&D center focuses on innovative pigment formulations and application technologies.
Advanced Manufacturing
State-of-the-art production facilities with automated control systems ensure consistent quality and large-scale production capacity of over 50,000 tons annually.
Quality Assurance
Strict quality control at every production stage. Certified to ISO 9001:2015, our pigments meet international standards for color consistency and performance.
Global Reach
Extensive distribution network across Asia, Europe, Americas, and Africa. We provide customized solutions and technical support for diverse market requirements.
Core Products
We provide a full range of high-quality inorganic iron oxide pigments, widely used in building materials, coatings, plastics, rubber, ceramics and other industries.
Product Series
We offer three specialized series of iron oxide pigments to meet diverse industry requirements and application scenarios
Standard Series
Conventional particle size iron oxide pigments suitable for most industrial applications. Excellent dispersibility and tinting strength with high cost-performance ratio.
Micronized Series
Ultra-fine particle size with uniform distribution. Ideal for high-end coatings, plastics, and applications requiring superior fineness and smooth finish.
Low Heavy Metal Series
Strictly controlled heavy metal content meeting international environmental standards. Suitable for toys, food packaging, and safety-sensitive applications.
Social Responsibility
Demei not only contributes to production and operation, but also faithfully fulfills its social responsibilities, protects the ecological environment, strengthens safe production, and cares for the health of employees.
Environmental Protection
Implementing green production processes, reducing waste emissions, and actively promoting circular economy principles.
Safe Production
Comprehensive safety management system ensuring controlled and secure operations throughout the production process.
Employee Health
Providing healthy working environments, regular health check-ups, and focusing on physical and mental well-being of our employees.
Community Contribution
Active participation in community development, supporting educational initiatives, and giving back to society.
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Phone
86-572-8035379
86-13666526593 -
Hours
Monday-Friday: 9am to 6pm
Saturday, Sunday: Closed -
Address
20th Floor, Mibei Chuanggongchang No. 650 Yunxiu South Road, Deqing County, Huzhou City, Zhejiang Province, China(Sales Office)
