Introduction
Features
Transparent; use with metallic paint to have front yellow and side white
blue effect
Color Masterbatches: Technical Overview
| Category |
Specifications |
| Definition |
Concentrated pigment or dye formulations in a carrier resin for precise coloring of plastics |
| Composition |
Pigments (20-60%) + Carrier Resin (30-70%) + Additives (0-10%) |
Types of Color Masterbatches
| Type |
Pigment Load (%) |
Key Features |
Common Applications |
| Solid Color |
20-50% |
High opacity, uniform shade |
Packaging, consumer goods |
| Transparent |
15-30% (dyes) |
Clear color effects |
Bottles, films |
| Special Effect |
10-40% (metallic/pearl) |
Sparkle/gloss enhancement |
Automotive trims, cosmetics |
| Custom Matched |
Varies |
Pantone/RAL compliance |
Brand-specific products |
Technical Properties
| Property |
Test Method |
Typical Value |
| Melting Index (g/10min) |
ASTM D1238 |
5-50 (matches base resin) |
| Dispersion Quality |
Microscopy (ISO 18553) |
≤5μm particle size |
| Thermal Stability |
TGA (ISO 11358) |
Stable up to 250-300°C |
| Lightfastness |
ISO 105-B02 |
Grade 6-8 (1=poor, 8=excellent) |
Formulation Components
| Component |
Function |
Content Range (%) |
| Pigments |
Colorant |
20-60 (inorganic), 15-30 (organic) |
| Carrier Resin |
Matrix |
30-70 (PE, PP, PS, etc.) |
| Dispersants |
Prevent agglomeration |
1-5 |
| Stabilizers |
UV/heat protection |
0.5-3 |
Processing Guidelines
| Parameter |
Injection Molding |
Blow Molding |
Film Extrusion |
| Dosage Rate |
1-4% |
2-5% |
3-8% |
| Melt Temp |
180-280°C |
160-230°C |
170-250°C |
| Mixing Method |
Dry blend or hopper |
Pre-compounded |
Masterbatch feeder |
Performance Comparison
| Feature |
Masterbatch |
Liquid Color |
Compounded Color |
| Color Consistency |
★★★★★ |
★★★ |
★★★★ |
| Dust-Free |
Yes |
No |
Yes |
| Storage Stability |
2+ years |
6 months |
1 year |
| Cost Efficiency |
★★★★ |
★★ |
★★★ |
Industry Applications
| Sector |
Usage Examples |
Key Requirements |
| Packaging |
Food containers, caps |
FDA compliance, migration resistance |
| Automotive |
Dashboards, trims |
UV stability, heat resistance |
| Construction |
Pipes, profiles |
Weather resistance |
| Textiles |
Synthetic fibers |
Washfastness |
Quality Control Metrics
| Test |
Standard |
Acceptance Criteria |
| Color Strength |
ISO 18314-1 |
±0.5 ΔE vs reference |
| Filter Test |
ISO 4573 |
≤5 mg/kg contamination |
| Migration Test |
EN 1186 |
<10 mg/dm² (food contact) |
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