S3DPS PBT Tough 3D Printer Filament – 1.75mm Black, High-Strength Glass Fibre Composite
Unlock next-level performance with S3DPS PBT Tough Filament, a glass fibre-reinforced engineering thermoplastic developed for superior strength, durability, and heat resistance. PBT Tough offers enhanced toughness and impact resistance compared to standard PBT PRO, making it ideal for demanding, load-bearing, and industrial-grade applications.
Key Features:
Material: Polybutylene Terephthalate (PBT) + Glass Fibre
Colour: Black
Diameter: 1.75mm ± 0.02mm
Net Weight: 1.0 kg spool
Surface Finish: Frosted matte for a professional appearance
Nozzle Requirement: Use a stainless steel nozzle to prevent wear
Recommended Print Settings:
Printing Temperature: 210–240°C
Bed Temperature: 60°C
Printing Speed: 30–60mm/s
Cooling Fan: Off
Material Advantages:
Increased toughness – up to 10% stronger than PBT PRO
Flexural Modulus: ~800 MPa
Heat Resistance: Withstands temperatures up to 130°C
Excellent chemical resistance and dimensional accuracy
Low shrinkage and warping – ideal for precision parts
Best suited for automotive, electrical housings, and high-stress structural parts
Why Choose S3DPS PBT Tough Filament?
Part of the polyester family, PBT Tough retains the semi-crystalline structure of standard PBT but is engineered for improved mechanical toughness and reliability under stress. Reinforced with glass fibre, it delivers professional results with strong interlayer adhesion and dimensional stability — all with printability close to PLA.
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 |
