InLoop Foam
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Polyurethane, TPU, PEBA and PLA composites

Polymer foam

Elastomeric and rigid polymer foams where stiffness changes across the part: soft where it touches, stiff where it carries load.

Quote a polymer foam partOrder samples
Viscous thread printing of an insole with soft-to-stiff graded foam density

Grades

Available materials

TPU
Tough, flexible foam for cushioning, seals and wearable products.
PEBA
High-rebound elastomer foam for footwear and energy return.
Polyurethane
Open-cell foam for comfort, filtration and acoustic parts.
PLA and PLA composites
Rigid, lightweight cores and sacrificial templates.

Properties

Typical property ranges

Typical polyurethane foam ranges. We report measured values with each build.
PropertyRange
Density10 – 80 kg/m³
Compressive strength0.5 – 2.5 MPa
Elastic modulus5 – 40 MPa
Open-cell fraction70 – 95 %

Examples

Printed polymer foam parts

Printed TPU foam insole
Printed foam insole
Soft robotic finger with graded foam stiffness from low to high modulus
Graded-stiffness soft robotic finger
Printed polymer foam sandwich panel edge
Foam-core sandwich panel
Close-up of printed polymer foam coil structure
Printed coil structure, close up

Applications

Where polymer foam is used

Energy absorptionGraded-density cores that dissipate impact energy at a specified crush stress.Medical devicesPorous stainless structures and graded-stiffness foams for device development.Research and soft roboticsControlled-porosity specimens and graded soft-robotic structures, with build data.

Send us a part to quote

Upload an STL for an instant budgetary estimate, or describe the problem and target properties and we will propose a structure. Reviewed quotes go out within two business days.

Get a quoteTalk to an engineer

Prefer email? miske@foaminloops.com or brett@foaminloops.com