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PP 2320 (Polypropylene)

Ref.: PP-2320-NAT-175-600

36.36 €

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Approximate delivery date: Thursday 26 December

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PP 2320 is a polypropylene filament that belongs to the Fillamentum Industrial range. Fillamentum Industrial is the division of Fillamentum that develops materials for 3D FDM printing for industrial purposes. All filaments that are in its range, search to contribute to the professional sector an increase in production efficiency to save time and costs.

PP 2320 shows the ideal mechanical and chemical resistance to prototype easily with most 3D printers. Compared to other polypropylene filaments, PP 2320 has three times the tensile strength, three times the tensile modulus and ten times the elongation of breakage. Other characteristics of this material are: great recovery energy in the face of deformation (resilience), high surface hardness and thermal resistance, even with values of - 40 ºC. In the chemical resistance section, PP 2320 has an extensive list of fluids to which it is resistant: acids, bases, salty, oils, water and some more.

Heavy duty piece printed with PP 2320.

Image 1: Heavy duty piece printed with PP 2320. Source: Fillamentum Industrial

Like most PP, this material is light (0.96 g / cm3) compared to the rest of the filaments used in this technology. This together with a low humidity and water absorption, electrical insulator and the RoHS certificate, make it an ideal filament for printing equipment for electrical and electronic safety. But the advantages presented by PP 2320 do not end here, since it is a valid material to be in contact with food, recyclable and non-toxic. To ensure that the final product meets the requirements, it must undergo testing in accordance with relevant regulations. These regulations define the testing conditions, which are based on the intended use of the printed object (e.g., temperature, duration of contact, type of food).

Electrical safety part

Image 2: Part for electrical safety. Source: Fillamentum Industrial

Fillamentum Industrial has optimized this filament until achieving a perfect adhesion between layers and a matt surface finish, which gives a professional appearance to the pieces printed with PP 2320.

Given the advantages of PP 2320: mechanical resistance, chemical resistance, thermal resistance, electrical insulation, FDA, etc; it is normal for the vast majority of industrial users to make prototypes and final parts with this filament.

General information
Material	PP
Format	50 g / 600 g
Density	(ISO 1183) 0.96 g/cm³
Filament diameter	1.75 mm
Filament tolerance	± 0.07 mm
Filament length	± 260 m

Printing properties
Printing temperature	225 - 245 ºC
Print bed temperature	90 - 105 ºC
Chamber temperature	✗
Cooling fan	✓
Recommended printing speed	20 - 40 mm/s

Mechanical properties
Elongation at break	(ISO 527) 20 %
Tensile strength	(ISO 527) 23 MPa
Tensile modulus	(ISO 527) 1400 MPa
Flexural strength	- MPa
Flexural modulus	1400 MPa
Surface hardness	-
Impact strength	46 KJ/m²

Thermal properties
Melting temperature	230 ºC
Softening temperature	110 ºC

Specific properties
Transparency	-
Chemical resistance	✓

Other
HS Code	3916.9
Spool diameter (outer)	200 mm
Spool diameter (inner hole)	55 mm
Spool width	50 mm

The main problem that can occur when using PP 2320 or any other polypropylene filament is the warping effect. To combat this problem, the user can use PP tape or Magiggo PP, a special adhesive for this type of material. In addition, Fillamentum Industrial recommends using a PP or glass base.

A 100 % effective method to combat the warping effect with polypropylene filaments is the PPprint PP adhesion base. This accessory has a sheet that can be easily placed and removed on any type of printing base.

It is very important to remove the filament from the 3D printer once finished manufacturing and store it in the original storage to preserve its mechanical and printing properties.

Printing bridges with PP can be complicated, that is why, for standard use, it is advisable to use media as they help to avoid failures in 3D printing. The strongest parts can be achieved by increasing the temperature up to 240-245 °C, where the layers adhere more.

The maximum standard speed of the part cooling fan is 15 % from the tenth layer. If you want to print difficult parts or models with overhangs and supports, it can reach 50 %. It is very important to be careful with the cooling fan speed of the part. Too much flow can increase the deformation effect.