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SUNLU

SUNLU TPU 90A Flexible 3D Printer Filament 1.75mm 1kg Spool - Grey

SUNLU TPU 90A Flexible 3D Printer Filament 1.75mm 1kg Spool - Grey

IR0000118

In stock

Rs. 1,609.00
Rs. 1,609.00
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SUNLU TPU 90A Flexible 3D Printer Filament - Grey, 1.75mm, 1kg

SUNLU TPU 90A is the softer, more rubber-like member of SUNLU's flexible filament family, with a Shore hardness of 90A - noticeably squishier than standard 95A TPU. This 1kg spool of grey TPU 90A produces parts that compress, cushion and grip like real rubber: soft seals, anti-slip pads, protective bumpers, wearable straps and shock-absorbing mounts.

Every spool is produced with laser-monitored diameter control and held to a tight 1.75 ± 0.02 mm tolerance, keeping extrusion smooth and consistent through long prints. SUNLU's fully automated winding lays the filament 100% neatly on the spool - no knots, no tangles, no mid-print failures.

Key Features

  • Extra-soft rubber feel: Shore 90A hardness - softer and more compressible than standard 95A TPU, closer to real rubber.
  • Superior cushioning: ideal for seals, pads, grips and shock absorbers that need to squish and recover.
  • Impact and abrasion resistant: tough against wear, oils, grease and weather for durable functional parts.
  • Precise 1.75 ± 0.02 mm diameter: laser-monitored consistency for smooth, even extrusion.
  • 100% neatly wound: automated spooling prevents knots and tangles mid-print.
  • Wide compatibility: prints on most 1.75mm FDM printers; a direct-drive extruder is recommended for best results.

Technical Specifications

Colour Grey
Material TPU 90A (thermoplastic polyurethane, Shore 90A)
Diameter 1.75mm (± 0.02mm tolerance)
Net weight 1kg spool
Shore hardness 90A
Nozzle temperature 220-240°C, print at 40mm/s or slower
Bed temperature 30-60°C
Recommended retraction 0.8mm

What is it good for?

Soft seals and gaskets, anti-slip and damping pads, protective bumpers, wearable straps, grips, squeaky toys and any part that needs a soft, rubber-like touch with real compressibility.

In the box

  • 1 x TPU 90A filament spool, Grey, 1.75mm, 1kg net weight

Good to know

  • TPU 90A is very soft - use a direct-drive extruder, slow speeds (40mm/s or less) and minimal retraction. Dry the spool before printing for the cleanest surface.
  • TPU absorbs moisture faster than PLA. For the best surface quality, dry the spool at 55-65°C for 4 hours before printing, and store it sealed with desiccant.
  • A PEI sheet or glue stick helps both adhesion and easy release of flexible parts.