General-purpose POM color masterbatch
POM-MB Series
POM polyoxymethylene color masterbatch with high thermal stability and no decomposition, suitable for gears and fasteners.

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
| Performance | Test method | Value |
|---|---|---|
| Carrier resin | — | POM copolymer (MI 8-15) |
| Pigment content | — | 20-50% |
| Melt index (190°C/2.16 kg) | ISO 1133 | 6-18 g/10 min |
| Density | ISO 1183 | 1.4-2.0 g/cm³ |
| Moisture content | ISO 15512 | < 0.1% |
Recommended processing conditions
| Parameter | Value |
|---|---|
| Drying | 80-90°C, 3-4 hours |
| Processing temperature | 180-210°C |
| Let-down ratio | 2-4% |
| Mold temperature | 80-110°C |
Coloring performance
| Performance | Test method | Value |
|---|---|---|
| Color difference Delta E (CIE Lab) | ISO 7724 | < 1.0 |
| Thermal stability | Internal method | 5 minutes at 220°C |
| Formaldehyde release | Internal method | Maintains base resin grade |





