Bambu Lab TPU Filament with Spool for AMS / AMS Lite - 1.75mm - 1kg Blue.

Unleash the power of flexible printing — without the usual hassle. TPU for AMS from Bambu Lab is specially formulated to work seamlessly with the AMS (Automatic Material System) and AMS Lite systems. It enables multi-colour TPU printing, faster print speeds, and cleaner results — perfect for creators wanting to mix flexibility, vibrancy, and ease.

Product Features:

AMS / AMS Lite Compatibility

TPU for AMS is optimized to flow reliably through the AMS system, enabling true multi-colour TPU printing without the typical feeding issues. 

High Performance, Low Stringing

Its blend delivers reduced stringing, so fine details and clean edges are easier to achieve. 

Speed Boost

Compared to Bambu's standard TPU 95A HF, this filament can achieve up to 60% faster printable speeds — improving efficiency without sacrificing quality. 

Balanced Toughness & Flexibility

With a Shore rating of 68D, TPU for AMS offers a sturdier feel than ultra-soft TPUs, yet retains enough flex for many practical applications. 

Available in Various Colours

Choose from multiple vibrant options (Blue, Red, Yellow, Neon Green, White, Gray, Black) — perfect for colourful, flexible designs. 

Built-In RFID Profiling

The spool includes RFID-encoded printing parameters so the printer can automatically detect and apply optimal settings. 

Premium Spool & Packaging

Delivered on a high-temperature reusable spool, with desiccant packaging to preserve filament dryness.

Technical Specifications:

• Filament diameter: 1.75 mm ± 0.05 mm 
• Spool weight: 1 kg net filament + spool 
• Shore Hardness: 68D 
• Printing temperature (nozzle): ~ 220 °C to 240 °C 
• Bed temperature: 30 °C to 35 °C (use glue / adhesive on plate) 
• Max Volumetric Speed: ~ 18 mm³/s (compared to 12 mm³/s for TPU 95A HF) 
• Max Print Speed: Up to ~ 238 mm/s in ideal test conditions 
• Density: ~ 1.26 g/cm³ 
• Tensile Strength: ~ 22.4 MPa 
• Elongation at Break: > 650 % 
• Melting Temperature: ~ 183 °C 
• Compatible Nozzles: Hardened steel / stainless steel, 0.4 mm / 0.6 mm / 0.8 mm recommended. 0.2 mm nozzle is not recommended. 

TPU for AMS is ideal for projects that require flexibility, impact resistance, and colour variation:

• Smartphone / device cases
• Cable management (flexible clips, cable sleeves)
• Wearable parts / strap components
• Grips, bumpers, or protective shells
• Artistic models combining flexible and rigid segments
• Custom seals, gaskets, or vibration-damping parts
• Because it supports AMS integration, you can combine TPU colours in a single print, opening possibilities for vivid, multi-material flexible objects.

Usage Tips & Best Practices:

Dry before printing

TPU is hygroscopic (absorbs moisture). Dry at ~70 °C for ~8 hours before use. Store spools sealed with desiccants. 

Avoid ultra-small nozzles

Do not use 0.2 mm nozzles — these are prone to clogging with TPU for AMS. 

Use proper bed adhesion

Use glue stick, hairspray, or a "glue + PEI plate" combo to help prints stay firmly adhered.

Control retraction, speed & acceleration

TPU requires cautious tuning: lower retraction distance, slower speeds. TPU for AMS permits faster speeds than many flexible filaments, but still less aggressive than rigid materials.

Match settings

Use or create a dedicated print profile. Because of RFID, many settings may auto-load — verify parameters before printing.

Combine with rigid materials cautiously

If embedding PLA, PETG, etc., ensure interlock / mechanical anchoring; some users report adhesion between TPU for AMS and PETG or PLA layers can be modest. 

Perform test prints

Start small — test bridges, overhangs, stringing — before committing to large models.

Why Choose This Filament?

• It's one of the first flexible filaments reliably compatible with AMS systems, solving a major pain point for multicolour TPU printing. 
• Offers faster speeds vs. classic TPU 95A — saving time, especially for longer prints.
• The colour variety lets designers produce vibrant, flexible parts in a single print session.
• With tuned properties (68D hardness), it balances flexibility with structural integrity better than ultra-soft TPUs in some use cases.
• The built-in RFID spool intelligence simplifies setup and reduces user error.