The additive manufacturing industry has made huge strides in performance and productivity but one sustainability problem has quietly grown alongside it: unused MJF powder.
Multi Jet Fusion (MJF) is now a mainstream industrial process for producing PA12 nylon parts at scale. Yet even in well-run operations, a meaningful proportion of powder can’t be reused indefinitely and eventually becomes waste.
We’re proud to announce Filamentive rPA12 Recycled Nylon Filament, developed with our partners 3devo and made entirely from unused MJF (Multi Jet Fusion) PA12 powder waste.
In production environments, MJF is valued for repeatability and throughput. But PA12 powder is not an infinite resource. Over time, powder ages, properties shift, and operators are forced to refresh or discard material to maintain part quality. The result is a large and growing stream of “spent” PA12 that often has no easy route back into manufacturing.
Filamentive rPA12 is a premium recycled PA12 nylon filament made from 100% recycled MJF powder waste. It’s supplied in 1.75 mm on a 1 kg spool, extruding to a natural off-white colour. Because this is a recycled material, slight shade variation can occur from batch to batch normal for recycled polymers and a visible reminder that you’re printing with recovered feedstock rather than virgin resin.
The goal wasn’t to create a “green” filament that only works in theory. The goal was to produce a professional nylon filament that can handle real-world applications while dramatically reducing material impact.
Nylon filament is one of the most widely used engineering polymers in additive manufacturing for a reason. It offers a rare balance of toughness, flexibility, chemical resistance and dimensional stability—qualities that make it suitable for functional parts, not just prototypes.
rPA12 filament retains the characteristics that make PA12 valuable, including:
Strong mechanical performance with useful flexibility
Nylon 12 combines tensile strength with elongation, which is why it performs well for clips, brackets, snap-fits and mechanically loaded components.
Heat and wear resistance for functional parts
PA12 is widely used where parts see abrasion, repeated handling, friction or elevated temperatures. That makes it well suited for jigs, fixtures, tooling aids and end-use components.
Lower moisture absorption than nylon 6
Compared to nylon 6, nylon 12 typically absorbs significantly less moisture. In practical terms, that means more stable dimensional performance and fewer issues caused by ambient humidity although drying is still essential for best results.
Chemical resistance in demanding environments
PA12 is naturally resistant to oils, greases, fuels and many industrial fluids. For automotive, robotics and industrial environments, that resistance is often the difference between a usable part and a short-lived one.
source : Filamentive
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