General-purpose PET color masterbatch
PET-MB Series
PET color masterbatch for injection molding and blow molding, providing good transparency retention.

Product introduction
This engineering-grade PET color masterbatch is optimized for PET processing temperatures (270-290°C), providing excellent thermal stability, minimal intrinsic viscosity loss and no hydrolysis promotion, suitable for engineering-grade PET parts.
Product features
- Good transparency retention
- Acetaldehyde content control (AA < 1ppm)
- Suitable for bottle-grade and injection-grade PET
- Wide processing window
- Excellent color consistency
Typical applications
- Beverage bottles
- Cosmetic containers
- Food packaging
- Personal care bottles
- Technical parts
Physical properties
| Performance | Test method | Value |
|---|---|---|
| Carrier resin | — | PET(IV 0.75-0.85) |
| Pigment content | — | 15-40% |
| Intrinsic viscosity (IV) | ISO 1628 | 0.70-0.82 dL/g |
| Acetaldehyde content | Internal method | < 1 ppm |
| Moisture content | ISO 15512 | < 0.005% |
Recommended processing conditions
| Parameter | Value |
|---|---|
| Drying | 160°C, 4-5 hours |
| Processing temperature | 270-290°C |
| Let-down ratio | 1-3% |
| Mold/preform temperature | 10-15°C / 100-120°C |
Coloring performance
| Performance | Test method | Value |
|---|---|---|
| Color difference Delta E (CIE Lab) | ISO 7724 | < 1.0 |
| Haze | ASTM D1003 | < 5% (transparent grade) |
| Light transmittance | ASTM D1003 | > 88% (transparent grade) |





