Owens Corning

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Filament with a polypropylene base and 30% fiberglass, with very high voltage module.

The GF30-PP is a filament for 3D printers developed by Owens Corning. Owens Corning is a multinational company established in 37 countries around the world with more than 60 years of experience in insulation, roofing and fiberglass composites. Thanks to the great knowledge in this last field they have created the GF30-PP, a filament with a polypropylene base with 30% glass fibers.

Application XSTRANG GF30-PP

Image 1: Application XSTRANG GF30-PP. Source: Owens Corning

The GF30-PP is a material that has a high rigidity and mechanical resistance, resistance to chemicals and UV light. With a Tension Module of 6500 MPa is one of the highest currently in materials for 3D printing FDM, improving by 200% the mechanical properties of conventional materials, such as ABS. This high resistance combined with a high threshold of operating temperatures (-20ºC to 120ºC) makes the GF30-PP an ideal material to be used in industrial applications as tools or as final pieces. 

But here the advantages of this material don't end. By incorporating glass fibers, the GF30-PP is easier to print than PP by itself, increases the bond between layers, reduces the warping effect between the parts and the base, and moisture absorption is significantly reduced. All this translates into a smooth finish, continuous and with great dimensional stability, which together with the high level mechanical properties it presents, make this material the ideal for the vast majority of applications that every professional and industrial user desires.

Application XSTRANG GF30-PP

Image 2: Application XSTRANG GF30-PP. Source: Owens Corning

To greater than all the advantages already mentioned, the temperatures of impressesion are accessible for any 3D FDM printer; Extruder temperature: 220-280ºC, Base temperature: 80-110ºC. To ensure adhesion to the base, it is recommended to use a microperforated base or SmartStick, a special adhesive for PP. When containing glass fibers nozzle wear is very pronounced and the use of a hardened steel nozzle or the Olsson Rub nozzle is recommended. The Nozzle Olsson Ruby is the most resistant and highest quality 3D printing nozzle on the market thanks to its ruby tip integrated in a brass nozzle.

XSTRAND GF30-PP has one of the highest tension modules of 3D printing (6500 MPa), which allows you to make parts that need to support high load values as control elements, parts for the transport sector that don't have a constant use or applications resistant and of reduced size. To make final pieces of high mechanical and thermal resistance it's recommended to use the XSTRAND GF30-PA6.

Elongation at break (%) 1.6
Tensile strength (MPa) 60
Tensile modulus (MPa) 6500
Flexural strength (MPa) 78
Flexural modulus (MPa) 4300
Softening temperature (ºC) 120
UV resistance UV resistance
Fiber reinforced Fiber reinforced
Chemical resistance Chemical resistance
Hide color variations (Hide color variations)

XSTRAND GF30-PP is a filament that contains fiberglass, an element that has as main qualities the resistance and the power to wear the elements that are in contact with it. For this reason it is very important to use high-performance nozzles (hardened steel nozzle). It's recommended to use the Olsson Ruby Nozzle to avoid 3D prints failed by rapid wear and obtain the highest quality finish offered by this filament, always with nozzle diameters equal to or greater than 0.4mm.

To ensure the correct adhesion of the GF30-PP to the base, it is recommended to use SmartStick. This liquid glue has been developed to eliminate one of the drawbacks of printing PP filaments, its low adhesion to the base. In addition to this adhesive, a microperforated base or PP tape can be used.

Once a 3D printing is finished, the coil should be stored in its original bag and box, in a dust-free, dry environment with a stable temperature.

General information
Manufacturer Owens Corning (USA)
Material PP + 30% GF
Format Pack of 50 g
Spool of 500 g
Density 0.94 g/cm3
Diameter of filament 1.75 or 2.85 mm
Diameter tolerance ±0,05 mm
Filament length ±221 m (Ø 1.75 mm-0.5Kg)
±83 m (Ø 2.85 mm-0.5Kg)
Color Black/Dark grey
RAL/Pantone  -
Print settings
Printing temperature 220-280ºC
Print bed temperature 80-110ºC
Chamber temperature Not necessary
Cooling fan Not recommended
Recommended printing speed 30-100 mm/s
Nozzle diameter >0.4 mm
Mechanical properties
Izod impact strength -
Charpy impact strength -
Elongation at break (ISO 527) 1.6%
Tensile strength (ISO 527) 60 MPa
Tensile Modulus (ISO 527) 6500 MPa
Flexural strength (ISO 178) 78 MPa
Flexural modulus (ISO 178) 4300 MPa
Surface hardness -
Thermal properties
Softening temperature (ISO 75) 120ºC
Melting temperature (ISO 11357) 167ºC
Specific properties
Transparency  Opaque
Additional Information
HS Code 3916.9
Diameter coil (outer) 200 mm
Diameter coil (inner hole) 52 mm
Coil Width 55 mm

* The typical values detailed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the results and final properties with own tests. For more information you should consult the technical data sheet of the product.


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