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Help CenterDupont Tynex Nylon PBT TOOTHBRUSH FILAMENTS AND TOOTHBRUSH BRISTLES
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Nylon PBT TOOTHBRUSH FILAMENTS AND TOOTHBRUSH BRISTLES
PBT Filament
Based on polyester PBT, it is a valid alternative to Nylon 612 in price driven market. It doesn’t absorb water keeping its performances in wet environment.
PBT Filament Specifications +Raw Material Properties + Filaments Performances
| Raw Material: | Polyester PBT |
| Colors: | 48 colors is available |
| Diameter: | 0.15mm-0.30mm(.006"-.012"),Special diameters on request. |
| Diameter tolerance: | ±5% |
| Cross-section: | Round |
| Hank Length: | 1200 ±10MM |
| Hank Diameter: | 50±2mm |
| Density: | 1.31g/cm3 |
| Melting Point: | 225℃ |
| Water absorption: | 0.35% |
| Humidity absorption: | 0.1% |
| Loss of stiffness (wet): | 1.2% |
| Suggested maximum service temperature: °C MIN - °C MAX | °C MAX 130 |
| Hank Packaging: | White crepe paper,PE tube,PE wrap,Spool |
| Tensile strength: | 390Mpa |
| Elongation: | 30-35% |
| Bend recovery (4 min under load – 60 min relaxation): | 89-92% |
PBT Single Tapered Filament
Diameter :0.05~0.65mm
Cross-section: Upon customer's request
Cut length: 26mm or above ±1.0mm
Standard Cut Length: Upon customer's request
Bundle Diameter: 54±2mm
Melting Point: 223°C
Package: PE tupe or PVC shrink film
PBT Double Tapered Filament
Diameter: 0.05~0.65mm
Cross-section: Upon customer's request
Cut length: 26mm or above ±1.0mm
Standard Cut Length: Upon customer's request
Bundle Diameter: 54±2mm
Melting Point: 223°C
Package: PE tupe or PVC shrink film
PBT NON-Tapered Filament(Generally PBT Filament)
Generally PBT filament is used for processing toothbrush, paint brush and cosmetic brush, etc.
PBT resin are melt-extruded into filaments, cooled in water, stretched, and annealed in hot-air chambers. These filaments have good dimensional stability, good bend recovery, and brilliant colors.
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