Glass fiber reinforced PBT color masterbatch
PBT-MB Series
Glass fiber reinforced PBT color masterbatch (15-30% glass fiber) with higher strength and lower warpage.
Product introduction
This glass fiber reinforced PBT color masterbatch is optimized for PBT compounds with 15-30% glass fiber content; pigments are selected to ensure good dispersion in glass fiber reinforced systems while maintaining excellent mechanical properties.
Product features
- Good dispersion in glass fiber matrices
- Maintains rigidity and strength
- Low-warpage formula
- Color stability at high temperature
- Compatible with PBT+GF composites
Typical applications
- Automotive sensor housings
- Motor parts
- High-voltage connectors
- Pump housings
- Industrial structural parts
Physical properties
| Performance | Test method | Value |
|---|---|---|
| Carrier resin | — | PBT(MI 8-15) |
| Pigment content | — | 20-50% |
| Melt index (250°C/2.16 kg) | ISO 1133 | 8-20 g/10 min |
| Density | ISO 1183 | 1.4-2.2 g/cm³ |
| Moisture content | ISO 15512 | < 0.04% |
Recommended processing conditions
| Parameter | Value |
|---|---|
| Drying | 120°C, 4 hours |
| Processing temperature | 250-270°C |
| Let-down ratio | 2-4% |
| Mold temperature | 80-120°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 | 7-8 |
| Thermal stability | Internal method | 5 minutes at 270°C |
Other grades in the same polymer series
View PBT Polybutylene Terephthalate Color Masterbatch all grades in this series (2 in total).
