Flexible TPU Filament with Clean Finish and Reliable Performance

Spectrum S-Flex 90A Filament in Pacific Blue is a premium TPU material engineered for flexible, durable, and high-quality 3D prints. With a Shore hardness of 90A, it strikes the ideal balance between elasticity and structural stability, making it suitable for both functional prototyping and end-use applications.

The Pacific Blue color offers a clean, modern look—perfect for both visually appealing designs and professional-grade components.

Key Features & Benefits

• 90A Shore Hardness for Balanced Flexibility
  Provides elasticity while maintaining structural integrity
• Improved TPU Printability
  Easier to print than softer TPU materials with stable extrusion
• Durable & Impact Resistant
  Designed for repeated flexing and demanding use cases
• Strong Layer Adhesion
  Ensures consistent and reliable print quality
• Pacific Blue Finish
  Clean, vibrant color ideal for both aesthetic and functional parts
• Abrasion & Chemical Resistance
  Suitable for long-term use in challenging environments

Typical Applications

Spectrum S-Flex 90A is ideal for flexible and semi-flexible parts such as:

• Protective cases and housings
• Flexible hinges and connectors
• Gaskets, seals, and dampeners
• Ergonomic grips and handles
• Wearables and soft-touch components
• Automotive and RC parts
• Vibration isolation mounts

Material & Compatibility

• Material Type: TPU (Thermoplastic Polyurethane)
• Diameter: 1.75mm
• Spool Weight: 0.5kg

Compatible with most FDM/FFF 3D printers designed for flexible filaments:

• Direct drive extruders recommended for optimal control
• Bowden extruders supported with slower speeds and tuning
• Heated bed improves adhesion and print consistency
• Works well on PEI sheets, textured build plates, or glass with adhesive

Printability & Performance

• Ease of Printing: Moderate and user-friendly for TPU
• Surface Finish: Smooth with a slightly satin flexible texture
• Flexibility: High with excellent recovery after bending
• Bed Adhesion: Strong with proper setup
• Warping: Minimal
• Stringing: Reduced compared to softer TPU materials

S-Flex 90A is designed to reduce common TPU challenges while maintaining consistent, repeatable performance across a wide range of printers.

Why Users Choose Spectrum S-Flex 90A

Users choose Spectrum S-Flex 90A for its dependable combination of flexibility, durability, and ease of use. It enables makers, engineers, and small businesses to produce flexible parts efficiently without the complexity often associated with softer TPU filaments.

The Pacific Blue color adds a professional and visually appealing finish, making it suitable for both prototyping and final products.

Print Flexible Parts with Confidence

Upgrade your workflow with Spectrum S-Flex 90A Pacific Blue. Whether you're prototyping or producing functional components, this filament delivers consistent flexibility, durability, and high-quality results.