General-purpose PET color masterbatch

PET-MB Series

PET color masterbatch for injection molding and blow molding, providing good transparency retention.

General-purpose PET color masterbatch

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

PerformanceTest methodValue
Carrier resin—PET(IV 0.75-0.85)
Pigment content—15-40%
Intrinsic viscosity (IV)ISO 16280.70-0.82 dL/g
Acetaldehyde contentInternal method< 1 ppm
Moisture contentISO 15512< 0.005%

Recommended processing conditions

ParameterValue
Drying160°C, 4-5 hours
Processing temperature270-290°C
Let-down ratio1-3%
Mold/preform temperature10-15°C / 100-120°C

Coloring performance

PerformanceTest methodValue
Color difference Delta E (CIE Lab)ISO 7724< 1.0
HazeASTM D1003< 5% (transparent grade)
Light transmittanceASTM D1003> 88% (transparent grade)