Flexible TPU Filament with Bright Color and Reliable Performance

Spectrum S-Flex 90A Filament in Bahama Yellow is a premium TPU material designed for flexibility, durability, and consistent print quality. With a Shore hardness of 90A, it delivers an ideal balance between elasticity and structural strength—making it suitable for both prototyping and functional, real-world applications.

The vibrant Bahama Yellow color provides excellent visibility and a clean finish, making it a strong choice for both functional parts and visually distinctive designs.

Key Features & Benefits

• Balanced 90A Shore Hardness
  Offers flexibility while maintaining structural integrity and shape
• Enhanced TPU Printability
  Easier to print than softer TPU filaments with improved feeding consistency
• Durable & Impact Resistant
  Designed to withstand repeated bending and demanding use
• Strong Layer Adhesion
  Ensures reliable prints with minimal risk of delamination
• Bright Bahama Yellow Finish
  High-visibility color ideal for safety components and standout designs
• Abrasion & Chemical Resistance
  Suitable for long-term use in challenging environments

Typical Applications

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

• Protective cases and enclosures
• 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 that support flexible filaments:

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

Printability & Performance

• Ease of Printing: Moderate and beginner-friendly for TPU
• Surface Finish: Smooth with a slightly satin flexible feel
• Flexibility: High with excellent recovery after bending
• Bed Adhesion: Strong with proper setup
• Warping: Minimal
• Stringing: Lower than softer TPU grades

S-Flex 90A is engineered to reduce common TPU printing issues while delivering consistent, repeatable results across a wide range of printers.

Why Users Choose Spectrum S-Flex 90A

Spectrum S-Flex 90A is trusted by makers, engineers, and small businesses for its dependable combination of flexibility and ease of use. It enables efficient production of flexible, durable parts without the complexity often associated with very soft TPU materials.

The Bahama Yellow color adds strong visual impact and improved visibility, making it especially useful for safety-focused designs and standout components.

Print Flexible Parts That Stand Out

Choose Spectrum S-Flex 90A Bahama Yellow to create durable, flexible parts with vibrant color and reliable performance. Whether for prototyping or production, this filament delivers consistent results you can depend on.