General-purpose PS color masterbatch
PS-MB Series
Standard PS color masterbatch with good dispersion and vivid colors, suitable for packaging, disposables and daily consumer goods.

Product introduction
General-purpose PS color masterbatch for injection molding and extrusion. Good dispersion and vivid colors at economical cost, widely used in packaging, disposables, stationery and daily sundries.
Product features
- Vivid, uniform colors
- Efficient coloring at low addition rates
- Easy to disperse
- Wide processing window
- Good batch stability
Typical applications
- Daily sundries
- Stationery
- Packaging containers
- Display items
- Toys
Physical properties
| Performance | Test method | Value |
|---|---|---|
| Carrier resin | — | PS(MI 5-10) |
| Pigment content | — | 25-50% |
| Melt index (200°C/5 kg) | ISO 1133 | 5-15 g/10 min |
| Density | ISO 1183 | 1.1-1.8 g/cm³ |
| Moisture content | ISO 15512 | < 0.1% |
Recommended processing conditions
| Parameter | Value |
|---|---|
| Drying | 70-80°C, 1-2 hours |
| Processing temperature | 180-230°C |
| Let-down ratio | 1-4% |
| Mold temperature | 40-60°C |
Coloring performance
| Performance | Test method | Value |
|---|---|---|
| Color difference Delta E (CIE Lab) | ISO 7724 | < 1.0 |
| Light fastness (blue wool scale) | ISO 105-B02 | 5-7 |
| Thermal stability | Internal method | 5 minutes at 220°C |





