1. Construction Materials Industry

• Strong tinting strength and good dispersibility.
• Appropriate particle size and particle structure.
• Good light-fastness and weather resistance.
• Stable color within a certain temperature limit.

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2. Coatings Industry

• Excellent dispersibility (easy dispersibility and dispersion stability).
• Good migration resistance, light-fastness, and chemical resistance.
• Compatibility with coatings (such as rheological adaptability, etc.).

3. Ink Industry

• Excellent dispersibility (easy dispersibility and dispersion stability).
• Certain transparency of pigments is required.
• Requirements for various fastness properties of pigments are similar to those for coatings, except for weather resistance.

4. Plastics Industry

• High purity, high saturation, high tinting strength, easy dispersion, and good heat resistance.
• Usually, iron oxide is made into color pastes or color masters.

5. Rubber Industry

• Water resistance (good fastness in water and humid environments).
• Solvent resistance (resistance to gasoline, organic solvents, etc.).
• Heat resistance.
• Stability (no reaction with other solvents, no discoloration or migration, no uneven color).
• Requirements for particle size.

6. Pharmaceuticals, Cosmetics, and Other Industries

• Non-toxic and free of heavy metals.