Materials of this class are the second most important type of plastic, accounting for around 20% of the global production of plastic parts. Chemically speaking, polypropylene is relatively similar to polyethylene, but its material properties make it significantly harder, stronger and more thermally stable.
Fields of application:
In industrial 3D printing, this material is used for functional prototypes that need to be exposed to chemical and mechanical loads. Thanks to its chemical stability and low water absorption, it can also be used to manufacture parts that convey or contain liquids.
Additively manufactured parts made from this naturally white material are characterized by good flexibility and rigidity, as well as high chemical resistance (especially to hydrocarbons, aldehydes, ketones, salts, alcohols, acids, oils and fats). They absorb very little water and are very light. Since any remaining material after a build order can be reused for the next build, this material achieves attractive costs per part and avoids waste.
Typical mechanical properties
|Tensile modulus||1200 MPa|
|Tensile strength||27 MPa|
|Elongation at break||12%|
|Melting temperature (20°C/min)||140°C|
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