MHK ColorMasterbatch vs Color Concentrate vs Pigment: What's the Difference?
Clear comparison of three common plastic coloring methods and when to use each one.
Introduction
This article is part of MHK Color's technical knowledge hub, providing in-depth information on masterbatch technology, selection criteria, and application best practices. For specific product recommendations or custom formulations, please contact our technical team.
Key Takeaways
- Understanding the fundamentals of masterbatch technology and its role in polymer coloring
- Selection criteria based on polymer type, processing method, and end-use requirements
- Performance differences across product variants and loading ratios
- Regulatory compliance and certification considerations
Technical Overview
Masterbatch is a concentrated mixture of pigments and/or additives encapsulated in a carrier resin during a high-temperature compounding process. It is used at low loading ratios (typically 0.5% to 5%) to color or modify the properties of plastics during processing.
The selection of the appropriate masterbatch depends on several factors including the base polymer, processing method (injection molding, blow molding, film extrusion, etc.), end-use application, regulatory requirements, and desired visual or functional properties.
Selection Criteria
| Factor | Consideration | Recommendation |
|---|---|---|
| Polymer type | Carrier resin compatibility | Match carrier to base polymer or use universal carrier |
| Processing method | Temperature, shear, residence time | Select masterbatch stable at processing temperature |
| End-use | Indoor vs outdoor, food contact, medical | Choose appropriate pigment and additive package |
| Loading ratio | Color depth, opacity, cost | Balance pigment concentration with cost efficiency |
Conclusion
Selecting the right masterbatch is critical for achieving consistent color quality, regulatory compliance, and cost efficiency in plastic products. MHK Color offers free technical consultation and color matching services to help you find the optimal solution.
Need help selecting the right masterbatch? Our R&D team of 15 engineers is available for free consultation. Contact us at our inquiry page for samples within 24 hours.
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