Flexible TPU Filament Built for Durability and Visibility

Spectrum S-Flex 90A Filament in Lion Orange is a high-performance TPU material engineered for flexibility, durability, and consistent print results. With a Shore hardness of 90A, it provides a practical balance between elasticity and strength, making it ideal for both prototyping and end-use parts.

This filament is designed to be easier to print than softer TPU materials, offering smoother extrusion and more predictable performance across a wide range of FDM/FFF 3D printers.

Key Features & Benefits

• 90A Shore Hardness for Controlled Flexibility
  Flexible enough for dynamic parts while maintaining shape and strength
• Improved Printability
  Easier to handle and print compared to softer TPU filaments
• Durable & Impact Resistant
  Withstands repeated bending, stress, and real-world use
• Strong Layer Adhesion
  Produces reliable, long-lasting parts with minimal delamination
• High-Visibility Lion Orange Color
  Bright, bold finish ideal for safety components and standout designs
• Abrasion & Chemical Resistance
  Suitable for demanding applications and extended use

Typical Applications

Spectrum S-Flex 90A is well-suited for a wide range of flexible applications:

• Protective cases and enclosures
• Flexible hinges and connectors
• Gaskets, seals, and dampeners
• Tool grips and ergonomic 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: 0.25kg

Compatible with most FDM/FFF 3D printers that support flexible filaments:

• Direct drive extruders recommended for best performance
• Bowden systems can be used with slower speeds and tuning
• Heated bed improves adhesion and print reliability
• Works well on PEI, textured build plates, and glass with adhesive

Printability & Performance

• Ease of Printing: Moderate and more user-friendly than softer TPU
• Surface Finish: Smooth with a slightly satin flexible feel
• Bed Adhesion: Strong with proper setup
• Warping: Minimal
• Stringing: Reduced compared to lower hardness TPU

S-Flex 90A is optimized to reduce common TPU printing challenges while delivering consistent, repeatable results.

Why Users Choose Spectrum S-Flex 90A

Makers, engineers, and small businesses choose Spectrum S-Flex 90A for its dependable balance of flexibility and ease of use. It provides reliable performance for functional parts without the difficulties often associated with highly flexible materials.

The Lion Orange color adds excellent visibility, making it ideal for safety-focused designs and components that need to stand out.

Print Flexible Parts That Perform

Upgrade your material capabilities with Spectrum S-Flex 90A Lion Orange. Whether you're prototyping or producing durable flexible components, this filament delivers the performance, consistency, and color visibility your projects demand.