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Technical Data Sheet
SLS · Polyolefin
PP Polypropylene
Polypropylene · PP
Chemical- and fatigue-resistant polypropylene — watertight, low-density and weldable. For fluid housings, containers and durable living hinges.
SLS
PP
PP~30 MPaTensile strength
~20 %Elongation
0.90 g/cm³Density
~1400 MPaTensile modulus
Material overview
PP is a laser-sintered polyolefin known for excellent chemical resistance, very low moisture uptake, fatigue endurance and weldability. Its low density makes the lightest SLS parts, and it withstands repeated flexing — the go-to for living hinges, watertight fluid housings, containers, automotive under-hood parts and chemical-handling hardware. Naturally waxy white matte finish; prints support-free.
Highlights
- Chemical-resistant & low moisture uptake
- Lowest density ~0.90 g/cm³
- Watertight & weldable
- Fatigue-resistant living hinges
Ideal applications
Fluid housingsContainers & tanksLiving hingesAutomotiveChemical handlingDucting
Mechanical properties
| Property | Value | Unit |
|---|---|---|
| Tensile strength | ~30 | MPa |
| Tensile modulus | ~1400 | MPa |
| Elongation at break | ~20 | % |
| Flexural modulus | ~1200 | MPa |
| Impact strength | High | — |
| Hardness | ~70 | Shore D |
Physical & thermal
| Property | Value | Unit |
|---|---|---|
| Density (part) | ~0.90 | g/cm³ |
| Melting point | ~160–165 | °C |
| HDT (0.45 MPa) | ~100 | °C |
| Moisture uptake | Very low | — |
| Layer thickness | 100–120 | µm |
| Powder PSD | ~60 | µm |
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Property data per the material manufacturer’s technical datasheet and industry references (on file). Values are indicative and may vary with machine, parameters, orientation and post-processing — not a guaranteed specification or a legally binding MSDS; SDS available on request. © 2019–2026 Additive Plus · All rights reserved. AO Metal is our trademark.