Iron Oxide Pigment Model Selection

Precision Engineering for Your Color Needs

Deqing Demi Pigment Technology Co., Ltd. provides expert guidance in the complex world of pigment modeling. We recognize that choosing the wrong model can lead to processing failures or color drift. Our technical team assists global clients in navigating our catalog to find the exact "Performance Fit." We provide the "Selection Security" that ensures your production line runs smoothly and your final product meets every quality benchmark.

Model Selection Usage Areas

• Formulation R&D: Identifying the ideal model for new paint or plastic lines.
• Cost Engineering: Selecting economy vs. premium models based on project budget.
• Troubleshooting: Replacing underperforming pigments with higher-stability models.
• Standardization: Aligning multi-plant production under a single pigment model.

Selection Matrix Parameters

Core Selection Criteria

• Chroma Target: Choosing yellowish-red (110) or bluish-red (101) based on aesthetic goals.
• Thermal Load: Selecting calcined models for processes exceeding 200∘C.
• Chemical Environment: Using specialized models for high-acid or high-alkali exposures.
• Equipment Capability: Matching the pigment's grind-readiness to your mill's energy output.

• Q: How do I choose between Red 130 and 190?

  A: 130 is a standard bright red, while 190 is a darker, more purple-shade red. The choice depends on your target hue.

• Q: Can a single model work for both paint and concrete?

  A: Yes, many of our "Universal" models are designed to perform across multiple media.

Consultative Services

We offer "Technical Substitution Audits," analyzing your current pigment model and proposing a Demi equivalent that can improve performance or reduce costs.

Application Simulation: We test different models in your specific resin or cement mix to provide empirical selection data.

The Science of Interface Matching

The science of model selection is based on "Surface Tension Equilibria." Every pigment model has a specific "Critical Surface Tension." If the pigment's surface energy does not match the binder's (e.g., an epoxy or acrylic resin), the pigment will flocculate or settle. Our selection logic uses "Hansen Solubility Parameters" to predict which pigment model will have the best "Affinity" for your carrier liquid, ensuring a stable, non-separating, and perfectly dispersed color system.