Flexible Series

FilamentBay™ TPU 72D

Hard TPU: abrasion resistance with toughness

Illustrative product image; selected White. Exact color photo unavailable.

Flexible Series · TPU 72D

FilamentBay™ TPU 72D

Hard TPU: abrasion resistance with toughness

Suggested uses Bike saddles · Skate and wheel parts

Feeder: AMS lite only · Review printer limits

$29.99 USD / 1 kg spool · 1.75 mm

Standard order · availability checked below

Stock confirmation required

Color: White3 colors

Color and spool size

SKU FB-TPU-72D-WHI-1K HEX #F4F4F4

No payment is taken here. We confirm availability and send a payment link within one business day.

4+ spools ≈ $26.39 each · 12% off any mix, applied automatically.

Check your setup

AMS lite only. The AMS lite on an A1 or A1 mini lists 55D and harder as usable, so 72D goes in. On the full-size AMS, Bambu advises against flexible material generally: use the external holder.

Grade sources and evidence limits · Printing settings

Request a sample Farm pricing

US warehouse
Timing confirmed before payment

30-day returns
unopened spools

Payment link
after confirmation

Save, compare & printer preferences

Saved materials & my printer

Set your printer to review material and feeder limits.

Open comparison

Features

Hard TPU: abrasion resistance with toughness

High hardness and outstanding wear resistance combined with excellent toughness and resilience. Built for durable functional and protective parts that take a beating.

Typical catalog values are not finished-part design allowables. Test method, conditioning, specimen orientation and batch acceptance limits require confirmation. Source and evidence status.

Best for

Properties

TPU 72D application illustration 1 — Bike saddles — application illustration, not a validated print sample.

TPU 72D application illustration 2 — Skate and wheel parts — application illustration, not a validated print sample.

TPU 72D application illustration 3 — Protective housings — application illustration, not a validated print sample.

Technical specifications

Printing settings & presets

Temperature, drying and printer setup

Nozzle220–240 °C

Bed30–60 °C

Max speedNot verified

Drying suggestion55 °C · 4 h

Extruder adviceCheck extruder and feed path

AMSAMS lite only

Dry before printing if the bag has been open more than a few days: 55 °C · 4 h. See the drying guide.

Download starting presets & worksheets

Starting settings

Generated from available catalog values; validate on your printer. Target versions and calibration steps.

Bambu StudioStarting preset OrcaSlicerStarting preset PrusaSlicerStarting preset

Where 72D sits on the ladder

TPU Hub

Feel descriptions are informal analogies. Wall thickness and infill change behavior; these are application ideas, not measured part results.

85A Feels like: Running-shoe sole Folds flat, springs back Shop 85A

90A Feels like: Bicycle inner tube Bends easily, firm rebound Shop 90A

95A Feels like: Shopping-cart wheel Bends, does not squish Shop 95A

98A Feels like: Tyre tread Flexes in thin walls Shop 98A

72D Feels like: Hard hat Rigid, tough, wear-resistant You are here

Material properties

Supplier values & measurement limits

Mechanical properties
Tensile strength (MPa)	30 ± 3
Elongation at break (%)	> 700
Shore hardness	72D

Physical properties
Density (g/cm³)	1.2
Melt flow index (g/10 min)	28 ± 3

Spool & filament
Diameter tolerance	± 0.02 mm
Net weight	1 kg (0.25–5 kg available)
Spool outer diameter	200 mm
Spool width	65 mm
Spool hub	54 mm
Empty spool weight	160 g

Ultraline company brochure, PDF page 26. Typical catalog values are not finished-part design allowables. Test method, conditioning, specimen orientation and batch acceptance limits require confirmation. The source does not identify a specimen process, ISO method, HDT load or MFI temperature/load. View this grade's evidence status.

Buy more, pay less per spool

Any 4+ spools of any FilamentBay material take 12% off automatically. From 50 spools a month, the Print Farm program prices per kilogram.

Print Farm pricing

Quantity	Price per spool
1–3	$29.99
4+	≈ $26.39 (discount rounded on subtotal)
50+ / month	Per-kg ladder

Frequently asked questions

Is 72D still flexible?

Geometry matters: compare a thin and a thick sample before selecting it for a flexible application. No controlled abrasion comparison against PLA, PETG or nylon is published.

Does 72D work in an AMS?

In the AMS lite on an A1 or A1 mini, yes: Bambu lists "77D, 55D, or higher hardness" as usable there. On the full-size AMS its guidance is to avoid flexible material altogether, so use the external spool holder.

Do I need to dry it before printing?

Popping and stringing can have several causes. Check moisture and print conditions separately. The listed drying values are supplier suggestions, not verified endpoints; confirm the grade, spool and dryer limits before heating. See the drying guide for a controlled workflow.

Downloads

Bambu Studio profile Generated starting values for TPU 72D; printer validation not published. Starting preset

OrcaSlicer profile Generated starting values for TPU 72D; printer validation not published. Starting preset

PrusaSlicer profile Generated starting values for TPU 72D; printer validation not published. Starting preset

Technical data sheet Ask whether grade-specific test conditions and a batch report are available. Request TDS

Material comparison All grades with price, settings, supplier properties and explicit evidence gaps. Open guide

All profiles Formats, validation status, target versions and calibration steps. Profiles page

Related guides

All guides

TPU hardness explained: 85A vs 90A vs 95A vs 98A vs 72D

What Shore hardness means for 3D printing, how each TPU grade feels, which extruder it needs and which parts each grade is for.

4 min read

Which spools fit the Bambu Lab AMS: dimensions, materials, TPU

Bambu Lab's published AMS spool limits, how the FilamentBay spool measures against them and which materials the AMS will not feed.

4 min read

FilamentBay™ TPU 72D

Check your setup

Hard TPU: abrasion resistance with toughness

Printing settings & presets

Where 72D sits on the ladder

Material properties

Buy more, pay less per spool

Frequently asked questions

Downloads

Related guides

TPU hardness explained: 85A vs 90A vs 95A vs 98A vs 72D

Which spools fit the Bambu Lab AMS: dimensions, materials, TPU

More from the Flexible Series

TPU 85A Filament

TPU 90A Filament

TPU 95A Filament