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Food-safe 3D printing for abrasion- and wear-resistant parts


► Food-safe in accordance with the requirements of the FDA and/or EU directive 10/2011
Up to 50 times more abrasion-resistant than commonly used 3D printing plastics: Ideal for moving parts
► No lubrication needed thanks to integrated solid lubricants
► Individual plastic parts ready to ship within 24 hours


Order abrasion-resistant parts from the 3D printing service or print them yourself

Laser sintering with iglidur I6

3D printing, SLS laser sintering, food-safe, FDA

  • Printed parts are compliant with the FDA and EU 10/2011 food-specific regulations
  • Max. application temperature: +80°C
  • Extremely abrasion-resistant: e.g. at least 9 times more abrasion-resistant
    than PA12 (SLS) in rotation test
  • Best strength and surfaces of all igus food-safe 3D printing materials

iglidur I150: the all-rounder filament

food-safe filament

  • Printed parts are compliant with the EU 10/2011 food-specific regulations
  • Can be processed on all regular 3D printers
  • The most frequently used tribo-filament® with very good mechanical specifications (strength, resilience, layer adhesion)

iglidur I151: visually detectable

Food-safe blue 3D print filament

  • Compliant with food-specific regulations according to EU 10/2011 and the FDA
  • Blue colour for optical detectability
  • Can be processed on all commercial printers

Heat-resistant: iglidur A350

3D printing, food-safe and heat-resistant, compliant with FDA regulations

  • Compliant with food-specific regulations according to EU 10/2011 and the FDA.
  • Temperature-resistant up to 180°C, fire-retardant according to UL94-V0
  • Suitable for steam sterilisation
  • High-temperature 3D printer required

iglidur I10: chemical-resistant

3D printing, laser sintering, chemical-resistant, and food-compatible

  • Food-compatible and resistant to chemicals
  • Printed quickly (in five days)
  • Order from 1 to 10,000 units
  • Ideal for the food  and electroplating industries 


Laser sintering for compliance with food-specific regulations

iglidur I6

The laser sintering material iglidur I6 complies with the food-specific regulations of the FDA and of EU 10/2011 and can therefore be used in numerous applications in the food and beverage industry. Due to the SLS method, special parts, prototypes and volumes can be made in our 3D printing service in quantities from 1 to 10,000 in only 3 days. Out of all the 3D printing materials that are processed by igus and are compliant with food-specific regulations, iglidur I6 is chosen the most frequently. This is due to the greater strength, better surface and lower component price.
 
The component materials of iglidur I6 make this high-performance polymer not only especially hygienic but also especially capable of sliding. It is therefore often requested for applications in which an especially low degree of friction is required, for example worm wheels. The SLS powder can be purchased in our shop for 3D printing material and processed with all regular laser sintering equipment.  

Order an iglidur I6 sample part
Food-safe 3D printing wear values compared with other methods Rotating wear: p = 1 MPa; v = 0.3m/s

Application example with iglidur I6


Manufacture food-safe components with commercially available 3D printers

iglidur I150

iglidur I150 is the easiest to process tribo-filament® - it is suitable for all commercially available 3D printers and can  be processed just as easily as regular filaments such as PLA and PETG.  Thanks to compliance with EU 10/2011, iglidur I150 is suitable for contact with food and is accordingly proving itself in applications in the food and packaging industry. The only restrictions are in the maximum permanent application temperature of 65°C and for highly dynamic applications. iglidur I150 is also available on 8kg filament reels and is therefore suitable for the manufacture of large components in large-scale printers.  

iglidur I150 in the shop
iglidur I150 filament in the linear wear test Linear Y-axis wear test: blue wear rate: hardened steel (Cf53/1.1213) orange: stainless steel (304 SS/AISI 304) 1. iglidur I150 2. iglidur I180 3. PLA 4. ABS

Filament for food-safe, visually detectable parts

iglidur I151

The iglidur I151 tribo-filament was specifically developed for use in the food and packaging industries. The printed parts are compliant with food regulations in accordance with the FDA and with EU directive 10/2011. The standard industry blue colour ensures the required visual detectability, since no natural food is blue. Its good mechanical properties (strength, toughness, layer adhesion) makes iglidur I151 an all-rounder material that is suitable for most applications and 3D printers. It can be processed just as easily as standard PLA and PETG filaments. iglidur I151 has mechanical properties comparable to those of iglidur I150. Like all other tribo-filaments, it contains solid lubricants, allowing a low-maintenance, hygienic dry operation. iglidur I151's high wear resistance extends the service life of parts printed from it so that it is up to 50 times that of parts made of ABS, PETG, or PLA.  

iglidur I151 in the shop

Heat-resistant and food-safe

iglidur A350

The abrasion-resistant high-temperature tribo-filament® iglidur A350 was specially developed for the food and packaging industry. The raw material is compliant with EU 10/2011 and FDA food-contact regulations and is blue all the way through for reasons of detectability. Printed parts made of iglidur A350 are temperature-resistant up to 180°C, are flame-retardant in accordance with UL94-V0 and can also be sterilised with hot steam. Due to its high processing temperature of 340-360°C as well as a mandatory build chamber temperature of min. 160°C, a high-temperature 3D printer is required for processing. If no such a printer is available for use, wear-resistant parts made of iglidur A350 can be manufactured quickly and cost-effectively in the igus 3D printing service .  

iglidur A350 in the online shop
Food-safe 3D printing: comparison of abrasion Rotating coefficient of friction, p= 1MPa, v= 0.3m/s Vertical axis: Coefficient of friction [-]

Chemical-resistant, food-compatible parts printed in one to three days

iglidur I10

iglidur I10, the new laser-sintering powder, allows fast manufacture of chemical-resistant parts that are food-compatible. It is especially well-suited to use in machinery for the food and electroplating industries. Rapid production with laser sintering means that abrasion-resistant, lubrication-free special parts can be manufactured to drawing and be ready to ship in less than three days. Since the 3D printing service involves neither tool costs nor minimum order quantities, manufacture of chemical-resistant parts is economical starting at a single unit (10,000 units is the maximum).

We are looking for iglidur I10 beta testers. Contact us with your project proposal

Further solutions for food contact


Information about 3D printing at igus

Why 3D printing at igus?

More information about

  • our materials
  • additive processes
  • services and support

Polymer gear wear tests

3D printing wear tests

iglidur polymers are more wear-resistant than PLA, ABS and other materials and manufacturing processes

3D printing materials

3D printing materials

Abrasion-resistant high-performance polymers for industrial use. Wear resistant and long-lasting thanks to integrated solid lubricants. Special polymers for food contact, heat resistance, ESD protection and much more.  


FAQ on 3D printing with food-grade plastics


What does food grade mean in relation to plastics?
It means that the material coming into contact with food has been tested for a possible transfer of particles of the plastic to the food, whereby a defined limit value has not been exceeded. On the European market, the requirements for plastics to achieve food conformity are regulated by EU Regulation 10/2011, in the U.S. by the FDA (U.S. Food & Drug Administration).

How can you tell if a material is really food safe?
If a material meets the requirements for food conformity according to the EU standard 10/2011 or the specifications of the FDA (U.S. Food & Drug Administration), it is confirmed by a declaration of conformity. The specifications for the use of the respective substance are noted there.

Do you need a special 3D printer to produce food-safe components?
Before and during printing, the food-grade material must be protected from dust. We therefore recommend an enclosed installation space.

Do you need to specifically clean the printer before printing with food grade materials?
Basically, all parts that come into contact with the filament should be free of residues. This applies in particular to the extruder sprocket and the pressure nozzle. In addition, a clean print bed is imperative. The glass plate should be cleaned and the use of either no adhesive or a food grade adhesive is recommended.

What must you pay attention to in the print settings?
The settings should be chosen in the slicing software so that the surface of the object is as dense as possible. Among other things, this is achieved by lowering the printing speed and adapting the line width to the nozzle diameter. This allows unevenness in the component surface and reduces gaps in the cover layers.

Can I also achieve food safety for the component with 2 materials in multi-material printing?
It is not recommended to produce food compliant components in multi-material printing together with other, non-food grade materials, as mixing of the materials cannot be completely ruled out. The support material should either be food grade or the same material should be used as support material.

Can a printed component that complies with food regulations come into permanent contact with food?
If there is prolonged contact between the plastic component and food, this increases the chance of migration of plastic particles. Therefore, it is important to check the food compliance declaration for the maximum permitted contact time. It may vary depending on whether the FDA or EU 10/2011 declaration is considered.
The ambient temperature of the application also plays a role. The higher the temperatures, the shorter the contact should be. Parts made of iglidur I6 are suitable for a maximum 2-hour contact with food at temperatures of up to 70°C (according to EU regulation 10/2011).

Do 3D-printed parts need to be additionally coated with a food-safe coating?
Components printed with food-compatible iglidur materials have a food-safe surface, so that no additional coating is necessary. It applies to the 3D printing materials iglidur I6, iglidur I150, iglidur I151 and iglidur A350.

Are printed machine parts automatically food-safe if food-grade material is used for printing?
No, you only achieve food conformity by combining it with a clean 3D printing process. It is important to use clean print nozzles when 3D printing food-safe components, for example. In addition, either no adhesive (glue) or a food-grade adhesive should be used.


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