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PPA GF Raise3D

Ref.: RAISE-PPAGF-NATURAL-175-1000

189.00 €

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Approximate delivery date: Thursday 26 December

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Raise3D is one of the leaders in the field of industrial FDM printers and advanced filaments. Their filament portfolio includes a wide range of technical filaments such as PLA, PC, PVA, ABS, ASA, PETG, TPU and PA, as well as fibre reinforced filaments such as PPA CF and PPA GF. The Raise3D PPA GF composite is based on PPA, also known as a high-performance or high-temperature nylon, and reinforced with 15 % of short glass fibers.

Nylon is an affordable and extremely versatile engineering thermoplastic, widely used in 3D printing due to its durability, flexibility, thermoplasticity and resistance to abrasion, friction, corrosion and chemicals. PPA, the variety of nylon that the Raise3D PPA GF filament is based on, stands out from among aliphatic polyamides such as PA6 due to its higher melting point and glass transition temperatures (Tg), lower moisture absorption, and greater dimensional stability.

Part 3D printed with Raise3D PPA GF filament

Image 1: Part 3D printed with Raise3D PPA GF filament in orange. Source: Raise3D.

Filaments designed for specialised uses, especially in harsh environments, are often enriched with glass fibres to ensure that the filament will have the right thermo-mechanical behaviour for the application. The addition of glass fibre (GF) in the PPA GF filament adds strength, stiffness, and dimensional stability while at the same time making the material more ductile than carbon fiber reinforced grades.

Part 3D printed with Raise3D PPA GF filament in natural and PPA Support (purple)

Image 2: Part 3D printed with Raise3D PPA GF filament in natural and PPA Support (purple). Source: Raise3D.

With the excellent features of PPA and glass fiber combined, the Raise3D PPA GF filament offers highly rigid and strong parts that will maintain their mechanical properties even in high temperatures or hostile environments with exposure to UV radiation, chemicals and humidity. This makes the PPA GF filament ideal for cost-effective end-use applications in the automotive, aerospace, and electrical and electronics (E&E) industries.

In addition, to offer the possibility of manufacturing complex parts with this material, Raise3D has developed a support filament optimised for the Raise3D PPA filaments: the Raise3D PPA Support filament. Both PPA GF and PPA Support materials are optimised for the Raise3D E2CF 3D printer and the RMF500 3D printer, machines specially designed for 3D printing with fibre reinforced filaments. Although it is not recommended, the PPA GF filament can be printed on other Raise3D printers with abrasion resistant nozzles.

General information
Material	PA
Format	1 kg
Density	1.16 g/cm³
Filament diameter	1.75 mm
Filament tolerance	- mm
Filament length	±358.4 m

Mechanical properties
Charpy impact strength	(ISO 179) 6.0 ± 1.0 KJ/m²
Elongation at break	(ISO 527) 2.2 ± 0.1 %
Tensile strength	(ISO 527) 89 ± 3 MPa
Tensile modulus	(ISO 527) 4850 ± 200 MPa
Flexural strength	(ISO 178) 143 ± 12 MPa
Flexural modulus	(ISO 178) 4580 ± 150 MPa
Surface hardness	-

Printing properties
Printing temperature	280 - 320 ºC
Print bed temperature	65 - 80 ºC
Chamber temperature	✗
Cooling fan	✗
Recommended printing speed	30 - 120 mm/s
Recommended nozzle diameter	Min. 0.4 mm

Thermal properties
Melting temperature	(ISO 11357) 225 ºC
Softening temperature	(ISO 75) @ 1.8 MPa: 101 ºC / @ 0.45 MPa: 147 ºC

Specific properties
Chemical resistance	✓

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

Nylon is a very hygroscopic material. Despite being developed to reduce its moisture absorption, it is recommended to store PPA GF in vacuum sealed packaging. By placing the Slice Engineering filament drying capsule inside the spool, even better results can be achieved. It is also advisable to use a drying case like the one from Fiber Three, available in the F3 Safe Light or F3 Safe Long Run version, which also keeps the filament in perfect condition during printing.

In case the filament has moisture, it is recommended to dry for 6 to 12 hours at a temperature of 80-100°C and then allow it to warm up before use.

Glass fibre reinforced filaments are very abrasive. This means that the nozzle is at a much higher risk of wear than with non-reinforced filaments. The E2CF 3D printer and the RMF500 printer are already optimised to work safely with this material, but if using another printer model such as the Raise Pro3 or Pro3 Plus, the hardened Raise3D nozzle can be used.

Nylon can have adhesion problems. The adhesion of PPA GF is better due to the glass fibre it contains. However, a specific adhesive such as Magigoo PA can be used to ensure a good fixation of the model to the bed.

After printing, it is recommended to anneal the model in an oven at 80-100 °C for 8 hours to improve mechanical properties and dimensional accuracy. Then let the parts cool down to room temperature naturally. If supports of the same material are used, the user should be sure to remove them beforehand, as the support and part may permanently bond to each other, but if PPA Support material is being used, it should be left in place.