Optical-grade GPPS color masterbatch
PS-MB Series
Ultra-low haze GPPS color masterbatch for optical lenses, lighting diffuser plates and high-end displays.

Product introduction
This optical-grade GPPS color masterbatch uses ultra-low haze, high-clarity pigments that preserve the inherent transparency and gloss of GPPS, delivering vivid transparent colors, suitable for optical lenses, lighting diffuser plates and high-end displays.
Product features
- Ultra-low haze (< 3%)
- Minimal impact on light transmittance
- Suitable for high-end display applications
- Consistent color at low addition rates
- Suitable for injection molding and extrusion
Typical applications
- Light diffuser plates
- Optical lenses
- High-end cosmetics packaging
- Display components
- Transparent colored parts
Physical properties
| Performance | Test method | Value |
|---|---|---|
| Carrier resin | — | GPPS optical grade |
| Pigment content | — | 15-35% |
| Melt index (200°C/5 kg) | ISO 1133 | 4-10 g/10 min |
| Density | ISO 1183 | 1.1-1.6 g/cm³ |
| Haze | ASTM D1003 | < 3% |
Recommended processing conditions
| Parameter | Value |
|---|---|
| Drying | 80°C, 2-3 hours |
| Processing temperature | 180-230°C |
| Let-down ratio | 1-2% |
| Mold temperature | 40-60°C |
Coloring performance
| Performance | Test method | Value |
|---|---|---|
| Color difference Delta E (CIE Lab) | ISO 7724 | < 0.8 |
| Haze (1% addition) | ASTM D1003 | < 3% |
| Light transmittance | ASTM D1003 | > 85% |





