S3DPS PBT Tough 3D Printer Filament – 1.75mm | High-Strength Glass Fibre Composite
Enhanced Toughness, Superior Strength, and Outstanding Heat Resistance
S3DPS PBT Tough Filament is an advanced, glass fibre-reinforced engineering thermoplastic designed for exceptional durability, impact resistance, and thermal stability. Developed for demanding industrial and load-bearing applications, this upgraded formulation offers increased toughness compared to standard PBT PRO—making it ideal for precision components and mechanically stressed parts.
Now available exclusively in two colours: Black and White.
Key Features
Material: Polybutylene Terephthalate (PBT) reinforced with glass fibre
Diameter: 1.75mm ± 0.02mm
Net Weight: 1.0kg spool
Colours Available: Black and White
Surface Finish: Frosted matte for a clean, professional appearance
Nozzle Requirement: Stainless steel nozzle recommended due to abrasive fibres
Recommended Print Settings
Printing Temperature: 210–240°C
Bed Temperature: 60°C
Print Speed: 30–60mm/s
Cooling Fan: Off
These settings ensure maximum strength, optimal layer adhesion, and precise dimensional accuracy.
Material Advantages
Enhanced toughness — up to 10% stronger than PBT PRO
Flexural Modulus: ~800 MPa for improved rigidity
Heat Resistance: Withstands temperatures up to 130°C
Excellent chemical resistance and dimensional stability
Low shrinkage and warping — ideal for precision engineering
Perfect for:
Automotive components
Electrical housings
High-stress structural parts
Industrial-grade applications
Why Choose S3DPS PBT Tough Filament?
PBT Tough offers enhanced mechanical toughness while maintaining the semi-crystalline structure of standard PBT. Reinforced with glass fibre, it delivers:
Superior impact resistance
Excellent interlayer bonding
High durability under continuous load
Professional precision with printability close to PLA-based engineering materials
This makes PBT Tough the perfect material for engineers, manufacturers, and advanced makers seeking high-performance, load-bearing components.
PBT Tough Performance Summary
| Property |
Value |
| Print Temp |
225–235°C |
| Bed Temp |
40–70°C |
| Tensile Strength |
~23.5 MPa |
| Flexural Strength |
~270 MPa |
| Flexural Modulus |
~800 MPa |
| Notched Impact |
~20.5 KJ/m² |
| Unnotched Impact |
~105 KJ/m² |
| Heat Distortion Temp |
~130°C |
| Density |
~1.30 g/cm³ |
| Melt Flow Index |
8–15 g/10min |
S3DPS PBT Tough Filament delivers exceptional mechanical strength, thermal reliability, and advanced impact resistance—now available in Black and White for high-precision, professional-grade 3D printing.