General-purpose POM color masterbatch

POM-MB Series

POM polyoxymethylene color masterbatch with high thermal stability and no decomposition, suitable for gears and fasteners.

General-purpose POM color masterbatch

Product introduction

POM (polyoxymethylene/acetal) offers high rigidity, low friction and excellent dimensional stability. Our POM color masterbatches are specially formulated to withstand POM's high processing temperatures (190-210°C) without decomposition or gas release.

Product features

  • Excellent dispersion in POM
  • Maintains mechanical strength
  • Good dimensional stability
  • Friction and wear resistant
  • Chemical and fuel resistance

Typical applications

  • ▶Precision gears
  • ▶Bearings
  • ▶Fasteners
  • ▶Fuel system parts
  • ▶Zippers

Physical properties

PerformanceTest methodValue
Carrier resin—POM copolymer (MI 8-15)
Pigment content—20-50%
Melt index (190°C/2.16 kg)ISO 11336-18 g/10 min
DensityISO 11831.4-2.0 g/cm³
Moisture contentISO 15512< 0.1%

Recommended processing conditions

ParameterValue
Drying80-90°C, 3-4 hours
Processing temperature180-210°C
Let-down ratio2-4%
Mold temperature80-110°C

Coloring performance

PerformanceTest methodValue
Color difference Delta E (CIE Lab)ISO 7724< 1.0
Thermal stabilityInternal method5 minutes at 220°C
Formaldehyde releaseInternal methodMaintains base resin grade