Natural· 3DXTech PPS ThermaX
Updated Jul 7, 2026
High TemperatureChemical ResistantHigh StrengthFlame RetardantWater Resistant / HydrophobicWear ResistantLow ShrinkageFatigue Resistant
Expert
Expert. Best suited to experienced makers: enclosure, precise temps, and patience.
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3DXTech PPS ThermaX Natural Summary
This filament is demanding to print, strong and heat-resistant. Worth watching: it can be prone to warping and a little moisture-sensitive.
Print characteristics
Layer adhesion ExcellentBed adhesion Requires Special PrepBridging & overhang GoodSpeed sensitivity Very HighWarping HighShrinkage 0.6-1.5 %Stringing LowOozing LowOdor Strong
Strengths
- Strong parts that hold up under load
- Stiff and rigid, resists flexing
- Handles heat well
- Holds up to sunlight without fading or going brittle
- Weather-resistant for long-term outdoor use
- Resists oils, solvents, and chemicals
- Layers bond strongly for clean, watertight prints
- Prints clean with minimal stringing
Things to watch
- Prone to warping, use a heated bed and ideally an enclosure
- Picks up moisture over time, store it with desiccant
- Gives off noticeable fumes, print with ventilation or filtration
- Shrinks as it cools, which can affect dimensional accuracy
- Can be brittle, may crack under sharp impact
- Fussy about bed adhesion, use a brim, glue, or a textured plate
Color & finish
A solid Natural filament. It reads as a light, muted white, close to light gray.
Specialties
High TemperatureWithstands extreme heat (150°C+) for industrial, aerospace, and engine-adjacent applications. Requires specialized high-temp printers (300°C+ hotend, enclosure).
Chemical ResistantResists damage from oils, fuels, acids, industrial chemicals or solvents. For laboratory equipment, fuel system components, or chemical storage.
High StrengthResists bending or pulling apart under heavy load. Very stiff.
Flame RetardantResists catching fire or self-extinguishes. Often UL94 rated. For electrical enclosures, automotive components, aerospace parts, or safety-critical applications.
Water Resistant / HydrophobicResists absorbing water or moisture from the air. Maintains mechanical properties in humid or wet environments. For marine parts, outdoor components, or wet environment applications.
Wear ResistantResists surface wear from friction and sliding. Good for gears, bushings, conveyor parts, or any component that rubs against other surfaces.
Low ShrinkagePart holds its exact shape over time. No warping, sagging, or unexpected size changes. Essential for precision parts, press-fits, and mechanisms under constant load.
Fatigue ResistantWithstands repeated bending without cracking. For living hinges, snap-fits, and moving parts.
Spool Specs
1.28 g/cm³
±0.03 mm
1.75 mm
1000 g
325 m
Filament Print & Drying settings
| Nozzle temp | 315–345 °C |
|---|---|
| Bed temp | 120–160 °C |
| Flow ratio | 0.94 |
| Drying | 110 °C for 4 h |
| Moisture sensitivity | Medium |
| Enclosure | Required |
| Part cooling | None |
| Dry box while printing | Keep the spool in a dry box while printing |
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