Sinterit Flexa Bright (TPU, SLS)

Sinterit · SLS powder · discontinued

Sinterit's TPU powder for Selective Laser Sintering.

SLSWhite

Request a quote in Sinterit Flexa Bright TPU overview

Sinterit datasheet values, printed parts

Other TPU grades and fills

Compare the TPU products and conditions in the library; see the grade overview at TPU.

Compare all 19 grades and fillsHide

Grade · open for datasheet	Best for	Yield MPa	Tensile MPa	Elong. %	Hardness
Sinterit Flexa Gray SLS powder	—	—	4	136	70 Shore A
EOS TPU 1301 SLS powder	—	—	7	250	86 Shore A
Formlabs TPU 90A Formlabs TPU 90A Powder · SLS powder	A tough, skin-safe TPU elastomer for flexible parts requiring high elongation, tear resistance, and everyday durability.	—	9	310	90 Shore A
Forward AM Ultrasint TPU01 MJF powder	A rubber-like TPU combining elasticity, rebound, fatigue resistance, and shock absorption for durable flexible parts.	—	9	280	88 Shore A
Sinterit Flexa BrightThis page SLS powder	—	—	10	318	79 Shore A
Lubrizol ESTANE 3D TPU M88A MJF powder	A soft, durable TPU for complex flexible production parts and lattice structures with straightforward cold unpacking.	—	15	440	88 Shore A
Lubrizol ESTANE 3D TPU M95A MJF powder	A durable polyether TPU with high elasticity, abrasion resistance, energy rebound, and skin-contact suitability.	—	17	400	93 Shore A
Shore D 60 Rigid engineering TPU	Choose for stiff snap-fit housings, wheel cores, chain guides and cable strain relief that must still absorb impact at low temperature.	25	55	320	60 Shore D
As Printed FDM/FFF printed TPU filament (typ. 95A)	Use for printed flexible prototypes, gaskets and shoe midsoles; expect 60–80 % of injection-moulded strength and Z-direction weakness.	—	28	380	45 Shore D
Shore A 70 Soft TPU	Pick for soft-touch overmoulds, flexible tubing, bellows and low-durometer seals.	—	28	680	70 Shore A
FR V-0 Halogen-free flame-retardant TPU	Specify for cable jackets, connectors and enclosures needing UL 94 V-0 at 1.5–3 mm; some loss of tear strength and elongation.	—	28	400	40 Shore D
ESD ESD / antistatic conductive TPU	Use for antistatic hoses, conveyor parts and ESD-safe flexible components in electronics handling.	—	30	350	42 Shore D
Aliphatic Aliphatic (HDI/H12MDI) optically clear, non-yellowing TPU	Use for clear films, paint-protection film, safety-glass interlayers and light guides where non-yellowing UV stability is required.	—	35	500	35 Shore D
Ether Polyether-based TPU	Choose for wet, humid or microbe-exposed service and for good low-temperature flexibility; slightly lower abrasion/oil performance than ester.	—	38	600	34 Shore D
Shore A 85Default Medium-soft general purpose TPU	Default all-round hardness for seals, cable jackets, wheels, grips and flexible parts.	—	40	550	33 Shore D
Shore A 60 to Shore D 80 Shore A 60	Use when the design tolerates any TPU hardness and the exact grade is chosen later by the moulder.	—	40	500	40 Shore D
Ester Polyester-based TPU	Best abrasion, tear, oil and fuel resistance at lowest cost — avoid continuous hot/humid or immersed service (hydrolysis).	—	45	520	38 Shore D
GF20 20 % glass-fibre reinforced TPU	Use where a semi-rigid, dimensionally stable structural part with TPU toughness is needed (housings, wheel hubs, sports hardware).	—	45	25	70 Shore D
Shore A 95 Hard elastomeric TPU	Pick for load-bearing rollers, couplings, ski boots, hose and abrasion-critical parts needing stiffness with flexibility.	—	50	480	45 Shore D

What is Sinterit Flexa Bright?

Sinterit Flexa Bright is Sinterit's TPU powder for Selective Laser Sintering on Sinterit Lisa X / NILS 480. Sinterit Flexa Bright has a tensile strength of 10.3 MPa (1.49 ksi), weaker than 79% of polymer grades. Elongation at break is 318%. Sinterit Flexa Bright has a density of 0.95 g/cm³ (0.0343 lb/in³), lighter than 75% of polymer grades.

Advantages

Ductile — tolerates forming and impact — 318%, better than 82% of polymer grades
Lightweight — 0.95 g/cm³ (0.0343 lb/in³), better than 75% of polymer grades

Limitations

Higher moisture uptake — 3%, worse than 99% of polymer grades

About this powder

Manufacturer: Sinterit
Product: Flexa Bright
Base polymer: TPU
Process: Selective Laser Sintering (SLS)
Printers: Sinterit Lisa X / NILS 480
As-printed colour: White — Oyster white; dyeing options depend on the base colour and grade
Build envelope: 200 × 200 × 330 mm. Usable part size depends on orientation, spacing and process allowances.
Build atmosphere: No mandatory inert atmosphere recorded; follow the selected printer/material profile.
Powder refresh: 0 % fresh powder in the recorded recipe. Follow the manufacturer’s build and powder-management conditions.
Manufacturer data source: Sinterit source reference (2022-01)
FabDigit material reference: Download reference PDF — FabDigit layout with Sinterit data and source attribution.
Ordering: Discontinued by Sinterit; kept for reference and existing designs.

Sinterit Flexa Bright properties

Typical values for Sinterit Flexa Bright (2022-01); review each property’s test condition. Only this product’s reported properties are shown; unreported properties are omitted. Bars are the position among polymer grades.

Mechanical3

Sinterit Flexa Bright has a tensile strength of 10.3 MPa (1.49 ksi), weaker than 79% of polymer grades. Elongation at break is 318%.

Tensile Strength (Ultimate)10.3 MPa1.5 ksi

per PN-EN ISO 37:2007

Elongation at Break318%

per PN-EN ISO 37:2007

Hardness, Shore A79 Shore A

per PN-EN ISO 868:2005

Physical2

Sinterit Flexa Bright has a density of 0.95 g/cm³ (0.0343 lb/in³), lighter than 75% of polymer grades.

Density0.95 g/cm³0.03 lb/in³

per PN-EN ISO 845:2010

Water Absorption (24 h)3%

per PN-EN ISO 62:2008

Use published values for design screening. Confirm the grade, build direction, conditioning and available lot documentation when quoting.

Sources

Sinterit Flexa Bright technical data sheet

Product values come from the selected manufacturer source and are normalised for comparison. Confirm the quoted process, build direction, conditioning and available lot documentation for the finished part.