Light cyan flexible 3D printed model made with TPU 85A filament, smooth surface finish

Close-up of light cyan TPU 85A filament layers on spool, flexible 3D printing material

Front view of Bambu Lab TPU 85A light cyan filament spool with perforated design

TPU 85A label and weight scale on Bambu Lab light cyan filament spool, Color Code 51500

Bambu Lab

Bambu Lab TPU 85A Light Cyan Filament with Spool

Name: Bambu Lab TPU 85A Light Cyan Filament
Brand: Bambu Lab
SKU: BL-TPU-85A-LIGHT-CYAN-51500

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Color Code: 51500
The Softest Bambu TPU
The Best Choice for Impact Absorption
Exceptional Wear Resistance for Lasting Performance
Multi-Material Printing with PLA / PETG
Includes High Temperature Reusable Spool
Diameter: 1.75mm +/- 0.05mm
Must dry out before use
AMS HT Compatible
AMS 2 Pro, AMS, AMS lite NOT Compatible

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Frequently bought together with Bambu TPU 85A Filament

Bambu Combo

Bambu TPU 85A & TPU 90A Overview

The softest Bambu Thermoplastic Polyurethane/TPU has arrived. Designed for outstanding flexibility and resilience, Bambu TPU 85A & 90A are ideal for parts that require cushioning and impact absorption, such as grips, shock absorbers, and protective cases.
Bambu TPU 90A also supports seamless dual-material printing with all Bambu PLA and PETG series through beam interlocking in compatible dual-nozzle printers, enabling the fusion of rigid and soft materials in a single print.

3D printed shoe made with Bambu TPU 85A and TPU 90A filament, showcasing cushioning performance, wear resistance, and flexible lattice structure — Bambu TPU 85A & TPU 90A Flexible Footwear Application

TPU 85A & 90A: Built for Impact Absorption

Engineered for both durability and flexibility, Bambu TPU 85A and TPU 90A excel in shock absorption and soft support applications.
They are well suited for padding, medical braces, protective gear, and other use cases where repeated compression and recovery are required.

Thermoplastic Polyurethane 85A – Maximum Softness

As the softest filament in the Bambu TPU lineup, TPU 85A delivers exceptional elasticity and rebound performance.
It is ideal for impact-absorbing parts such as protective cases, soft cushioning components, squishy fidget toys, and other applications that prioritize comfort and deformation recovery.

TPU 90A – Strength with Flexibility

With increased hardness and improved structural integrity, Bambu TPU 90A is designed for functional parts that require both flexibility and strength.
Typical applications include shoe soles, RC tires, and durable components that must withstand mechanical stress while remaining elastic.

Orange 3D printed shoes made with TPU 85A filament, showing soft flexibility, cushioning structure, and wearable application — TPU 85A Orange Flexible 3D Printed Shoes

Benchy test model 3D printed with Bambu TPU 85A filament, demonstrating flexible printing performance, layer consistency, and soft material behavior — TPU 85A Flexible Benchy Test Print by Sxilver

Seamless Multi-Material Printing

Bambu TPU 90A seamlessly prints with all Bambu PLA and PETG series, enabling flexible and rigid materials to be combined in a single model through beam interlocking in Bambu Studio.
From seat cushions and helmet padding to tool handles and hybrid functional parts, this capability allows precise control over stiffness and softness within one print.

Exclusive Single-Spool Gradient Aesthetic

Bambu TPU 90A Blaze & Frozen features a unique soft gradient effect that occurs only once per spool.
It is specially engineered for large, single-piece fashion items and wearables that require uninterrupted and seamless color transitions.

More Colors, More Creative Freedom

TPU doesn’t have to look purely functional. Bambu TPU 85A & 90A are available in a wide color range, including vibrant candy tones, translucent jelly shades, bold gradients, and everyday natural colors.
Whether printing phone cases, wearables, shoes, or handbags, you get the flexibility you need with a finish designed to stand out.

Individually packaged 3D printer hotend components arranged on a worktable, with labeled boxes facing upward — Individually packaged hotend components, neatly organized and labeled for identification

Wholesale & Private Label Services

We offer wholesale and private label (OEM) services for a wide range of 3D printing accessories, including build plates, hotends, and related components.

Composite image divided into four sections showing 3D printer build plates in the upper right area and hotend components in the lower sections — Build plates and hotend components shown in a structured layout for visual reference

Palletized rectangular cartons stacked at a 45-degree angle, each box clearly labeled for identification — Palletized cartons with clear labeling prepared for factory shipment

Rows of multi-color 3D printing filament spools organized on storage racks, showing a wide selection of PLA and specialty filaments — A wide range of 3D printing filament spools in different colors and material types, stored for organized inventory and distribution.

Stacks of multi-color 3D printer filament spools arranged in bulk storage, showing large inventory for distribution and supply — Bulk stacks of 3D printing filament spools in various colors, prepared for organized storage and distribution.

More Options

Printing Tips

• TPU 85A and 90A require highly precise printing conditions. Before printing, please carefully read the

Printing Guide for TPU 85A & TPU 90A

on the wiki to ensure the best results.

Drying conditions

Blast drying oven	H2 Series	X Series	AMS HT
70 ℃, 8 h	90 ℃, 16 h	90 ℃, 16 h	75 ℃, 18 h

• To avoid spool deformation that may prevent it from fitting into the dry box, please use a
large dry box.
For more details on filament drying conditions, please carefully read the filament drying section on the
wiki.

Printing

Increasing the max volumetric speed is not recommended. Please keep the
default speed during printing.
All the parameters of Bambu TPU 85A & 90A are already pre-set.
Please turn off Flow Dynamics Calibration to match the fine-tuned setting.
Bambu TPU 90A does not support printing with filaments other than the PLA and PETG series,
and Bambu TPU 85A does not support full multi-material printing.
For instructions on multi-material printing with PLA/PETG, please refer to the

H2D Soft and Hard Filament Multi-Material Printing Guide
.
To keep your TPU prints clean and vibrant, we recommend avoiding dark-colored PLA as support material.

Filament unload

• For detailed filament unloading instructions, please refer to
wiki.

X Series / P Series	• Do not press Unload when switching filaments, as this may cause uncut TPU residue to get stuck in the extruder. • Please heat the nozzle to 250 °C, then control the extruder to retract and manually pull out the filament.
H2 Series	• Pressing Unload to enable auto-retraction is allowed. • Please maintain the filament cutter at the right inlet if printing TPU regularly, as it’s more prone to wear out when printing TPU.

Gradient Length

• Please note that the gradient effect of Bambu TPU 90A Blaze and Bambu TPU 90A Frozen will appear only
ONCE in a 1 kg filament spool.

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