Grey flexible 3D printing filament for durable, bendable parts

Grey Sakata Flex-920 is a 1.75 mm flexible filament supplied on a 1 kg spool for FDM and FFF 3D printing. The TPU-based material is suited to prints that need elasticity, toughness, and better impact resistance than standard rigid filaments.

The grey finish is a practical choice for functional parts, prototypes, and components where a neutral, professional appearance matters. Flexible filament also offers strong layer bonding and good resistance to repeated bending in many everyday applications.

Key features of Sakata Flex-920

• Flexible TPU-based material: Produces parts that bend and compress instead of snapping like more rigid plastics.
• 1.75 mm filament format: Fits a wide range of desktop FDM and FFF 3D printers designed for 1.75 mm material.
• 1 kg spool: Suitable for regular production, iterative prototyping, and larger batches of functional prints.
• Durable printed parts: TPU-type materials are well suited to wear-prone components, protective parts, and items exposed to repeated handling.
• Good layer adhesion: Flexible filaments are commonly chosen when a part needs toughness as well as elasticity.
• Neutral grey colour: Useful for product development, workshop tools, and understated end-use parts.

Where flexible grey TPU filament works well

Sakata Flex-920 is a strong fit for makers, engineers, educators, and small businesses printing parts that need grip, cushioning, or shock absorption. Typical applications include anti-slip feet, gaskets, phone or device protectors, cable guides, sleeves, and soft-contact fixtures.

This grey flexible filament also works well for prototypes that need to simulate rubber-like behaviour before moving to production materials. For users searching for a 1.75 mm TPU filament for functional parts, Flex-920 is suited to everyday flexible printing where resilience and a clean neutral finish are important.

Technical specifications

Frequently asked