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PPSU Ultrafuse

Ref.: BASF-UF-PPSU-NATURAL-175-750

252.00 €

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Approximate delivery date: Thursday 26 December

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PPSU (polyphenylsulfone) is an amorphous high performance polymer known for its high thermal and chemical resistance, and mainly used in the automotive, aerospace, and plumbing sectors. The honey-colored Ultrafuse PPSU filament was developed by BASF especially for FFF 3D printing. It is based on BASF’s Ultrason materials designed for maintaining stiffness and dimensional stability even when used in very high temperatures.

The Ultrafuse PPSU filament is ideal for high temperature applications where other plastics such as Nylon, PC, POM or PET cannot preserve their dimensional stability and mechanical properties well enough to meet the criteria.

A part 3D printed with the Ultrafuse high temperature PPSU filament

Image 1: A part 3D printed with the Ultrafuse high temperature PPSU filament. Source: BASF.

Parts produced with the Ultrafuse PPSU filament have great layer adhesion and, as a result, balanced flexural strength between z- and x-direction. This is a valuable property, as most parts 3D printed with the FFF technology show mechanical limitations in the z-direction. Another aspect where the Ultrafuse PPSU filament stands out from among other materials are mechanical strength and high heat distortion temperature. It is capable of withstanding temperatures of up to 220 ºC in the short term and up to 180 ºC in the long term, with no signs of creep damage. The Ultrafuse PPSU filament is also resistant to hot water, coolants, fuel, fluorine, as well as hot oil (up to 170 ºC). Furthermore, the Ultrafuse PPSU has inherent flame retardant properties, which, combined with all the other mechanical, chemical and thermal properties, makes it a suitable material for the aerospace industry as well as the automotive sector.

General information
Material	PPSU
Format	0.75 kg
Density	1.27 g/cm³
Filament diameter	1.75 mm
Filament tolerance	- mm
Filament length	(Ø 1.75 mm - 750 g) ±245.5 m

Electrical properties
Volumetric resistivity	(IEC 62631-3-1) 2.6E+15 Ω/cm
Surface electrical resistivity	(IEC 62631-3-2) 4.1E+15 Ω
Dielectric strength	(IEC 60243-1) 18.5 kV/mm

Printing properties
Printing temperature	390 - 410 ºC
Print bed temperature	200 - 220 ºC
Chamber temperature	170 - 210 ºC
Cooling fan	-
Recommended printing speed	22 - 100 mm/s

Mechanical properties
Izod impact strength	(ISO 180) (notched) 13.7 / (unnotched) no break KJ/m²
Charpy impact strength	(ISO 179-2) (notched) 21.8 / (unnotched) 224.8 KJ/m²
Elongation at break	(ISO 527) 7.3 %
Tensile strength	(ISO 527) 74.5 MPa
Tensile modulus	(ISO 527) 2221 MPa
Flexural strength	(ISO 178) 105 MPa
Flexural modulus	(ISO 178) 1940 MPa
Surface hardness	-

Thermal properties
Softening temperature	(ISO 306) 217 ºC

Specific properties
Flammability classification	UL 94 V0
Chemical resistance	✓

Other
HS Code	3916.9
Spool diameter (outer)	- mm
Spool diameter (inner hole)	- mm
Spool width	- mm

In order to ensure optimal quality and performance of parts 3D printed with the Ultrafuse PPSU filament, the filament should be extruded at a temperature of 390-410 ºC, on a bed heated to 200-220 ºC and a chamber heated to 170-210 ºC. The recommended printing speed is 25-100 mm/s and the best build surface is a glass surface or a reinforced build sheet.

Protecting filaments from humidity by storing them properly is crucial to obtaining parts with optimal properties. Before and after printing, the Ultrafuse PPSU filament should be stored in its original package or in a vacuum sealed bag with a filament drying capsule inside for even better results. An equally good storage option is a vacuum sealed container or an intelligent filament container. During printing the filament should be stored in a closed container such as the Fiber Three drying case or an inline filament dryer. If the Ultrafuse absorbs excess moisture, it should be dried in a vacuum dryer at 125 °C for 8 hours.