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Wheat PLA

Ref.: FRANCOFIL-WHEAT-175-750

34.95 €

Tax excl.

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Approximate delivery date: Friday 27 December

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Francofil, a french filament manufacturer, has developed a series of biocomposite filaments among which, in addition to PLA Wheat, we can find PLA Scallop, PLA Oyster, PLA Mussel and PLA Coffee.

Filament and printed piece with PLA Wheat.

Image 1: Filament and printed piece with PLA Wheat. Source: Francofil.

This filament is considered Bio-composite, as it is composed of a matrix (PLA) and a filling of natural material. Bio-composite products provide an alternative to those products derived from oil.

The matrix of this filament is composed of PLA (polylactic acid), and it is combined with particles of wheat, one of the three most widely produced grains globally.

PLA is a biodegradable plastic obtained from natural resources. In particular, it is obtained from starch extracted from corn, beet and wheat. Together with ABS, PLA is one of the most widely used materials in 3D printing today.

As it has a PLA base, this filament maintains the mechanical properties and the ease of printing of this material. PLA Wheat does not require a hot bed, so it can be printed on almost any 3D FDM printer on the market. In addition, it does not give off harmful gases during the printing process.

Due to the particle content, it is recommended to use a nozzle with at least 0.5 mm outlet diameter to avoid possible clogging. By using a nozzle with a smaller output diameter, a jam could occur which would cause a print failure.

Filament and part printed with PLA Wheat.

Image 2: Filament and part printed with PLA Wheat. Source: Francofil.

The colour of the wheat PLA filament is naturally given by its wheat particle content; while other filaments are additivated with artificial substances to achieve different colours or particular finishes.

Due to its nature, the colour of the wheat PLA filament can vary from one batch to another, without implying any manufacturing defect.

Thanks to its composition, this material offers very striking print finishes. The colour of the material once printed is a toasted tone with small, darker-toned particles. It also has a very original translucent finish.

This finish is very interesting for applications in the art sector, design or decoration among others. Specifically, it is an ideal filament for 3D printed pieces with spiral or base spiral mode, as this mode manages to highlight the translucency that characterizes this material.
In addition, the particles of the PLA Wheat filament hide the layer lines and other possible defects of the pieces.

Currently, companies from different sectors are looking to generate a lower environmental impact. In this context, the biocomposite filaments developed by Francofil may be a suitable option.

Vases printed with biocomposed filaments.

Image 3: Vases printed with biocomposed filaments. From left to right: PLA coffee, PLA wheat, PLA oyster, PLA mussel and PLA scallop. Source: Francofil.

To read more about terms related to the environmental impact of materials, it is recommended to read the following article.

PLA wheat
Eco / Ecofriendly
Sustainable
Biodegradable
Compostable
Biocomposite
Recycling

Table 1: Wheat PLA filament characteristics.

All these characteristics make the PLA Wheat filament an ideal material for the development of artistic or decorative pieces, although it is also very useful for the manufacture of non-functional prototypes.

* In spite of being a biocomposite filament with a wheat content, this filament is not edible.

General information
Material	PLA
Format	50 g / 750 g
Density	(ASTM D792) 1.24 g/cm³
Filament diameter	1.75 / 2.85 mm
Filament tolerance	± 0.05 mm
Filament length	(Ø 1.75 mm 750 g) ±252 m / (Ø 2.85 mm 750 g) ±95 m / (Ø 1.75 mm 50 g) ±16.8 m / (Ø 2.85 mm 50 g) ±6.3 m

Printing properties
Printing temperature	190 - 230 ºC
Print bed temperature	70 ºC
Chamber temperature	✗
Cooling fan	✓
Recommended printing speed	30 - 40 mm/s

Mechanical properties
Elongation at break	(ASTM D882) 6 %
Tensile strength	(ASTM D882) 53 MPa
Tensile modulus	(ASTM D882) 3612 MPa
Flexural strength	(ASTM D790) 83 MPa
Flexural modulus	(ASTM D790) 3826 MPa
Surface hardness	-
Impact strength	1.6 KJ/m²

Thermal properties
Melting temperature	(ASTM D3418) 145-160 ºC
Softening temperature	(ASTM E2092) 55 ºC

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

To use the wheat PLA filament, we recommend using a printing temperature of between 180 and 210 ºC. As with standard PLA, this material does not require a warm bed, so the temperature of the appropriate printing base would be between 40 and 60 ºC. For better adhesion, a Buildtak printing base or Magigoo adhesive can be used. This will avoid the warping effect even on large pieces.

As far as printing speed is concerned, it is recommended to print at a speed of between 40 and 60 mm/s. As usual, lower layer heights produce greater detail clarity, but the printing process will be slower.

Due to its particle load, it is recommended to use a nozzle with an outlet diameter of at least 0.5 mm to avoid clogging.

The wheat PLA filament is somewhat sensitive to moisture absorption, so it is recommended that the filament be kept in a vacuum pack with a desiccant bag or use a filament pack with a PrintDry vacuum seal. If you have been exposed to damp conditions, it is recommended that you use a filament dryer such as PrintDry II to dry the filament. Using the filament wet can cause degradation of the polymer, increase the brittleness of the material or affect the adhesion of layers when printing a 3D part.