PPS Filament: Everything You Need to Know

Spectrum PPS Filament AM230 Natural

PPS filament for your most challenging projects, leveraging its superior qualities to meet and exceed stringent industrial requirements.


by Editorial Staff: We are a team of 3D Printing Enthusiasts who have build a lot of knowledge about 3D Printing the last 8 years. Our aim is to create the knowledge hub for 3D Printing covering all minor and major topics. Providing one source of reliable Information for everybody regardless of Beginner or Expert.


Introduction

Polyphenylene Sulfide (PPS) filament is a high-performance engineering thermoplastic known for its exceptional resistance to chemicals, heat, and flame. PPS is widely appreciated in industries where materials are exposed to harsh chemical environments and high temperatures, such as in chemical processing, automotive, aerospace, and electronics. Its inherent flame retardancy, excellent dimensional stability, and superior mechanical properties make PPS filament an ideal choice for demanding applications requiring precise performance specifications.

Printing with PPS filament can be challenging due to its requirement for high extrusion temperatures and its inherent rigidity. However, for users with access to advanced 3D printers capable of maintaining the necessary processing conditions, PPS offers the opportunity to produce industrial-grade parts with outstanding durability and resistance to corrosive substances and extreme temperatures.

About PPS Filament

PPS stands out for its remarkable chemical stability, maintaining integrity when exposed to acids, alkalis, and organic solvents. Additionally, its high-temperature resistance allows PPS components to function effectively in environments where many other plastics would fail. The material also exhibits low moisture absorption, further enhancing its performance in humid or wet conditions.

Achieving optimal prints with PPS filament requires precise temperature control and an enclosed printing environment to maintain material properties and ensure reliable part quality. Despite these demands, PPS remains a valuable material option for professional applications where lesser materials would not suffice.

Possible Applications of PPS Filament

Chemical Processing Equipment

PPS is utilized for components within chemical processing plants, such as pumps, valves, and piping, that require resistance to aggressive chemicals and high temperatures.

Automotive and Aerospace Parts

Its thermal stability and chemical resistance make PPS suitable for under-hood automotive components, aerospace fittings, and electrical connectors exposed to harsh operating conditions.

Electrical and Electronic Components

The material’s inherent flame resistance and insulation properties are advantageous for electronic housings, circuit boards, and connectors requiring high performance and safety standards.

Industrial Machinery

PPS’s strength and dimensional stability are beneficial for creating gears, bearings, and other mechanical parts in industrial machinery subjected to wear and thermal stress.

Pros and Cons of PPS Filament

Pros:

  • Chemical and Thermal Resistance: Offers exceptional durability in chemically aggressive and high-temperature environments.
  • Flame Retardancy: Ideal for applications where fire safety is critical.
  • Mechanical Properties: Exhibits high strength and stiffness, maintaining performance under stress.
  • Low Moisture Absorption: Enhances stability and reliability in humid conditions.

Cons:

  • Printing Challenges: Requires high-temperature printing capabilities and specialized handling.
  • Cost: As a high-performance engineering thermoplastic, PPS comes at a premium price point.
  • Specialized Printing Conditions: Demands a controlled environment to prevent warping and ensure part quality.
  • Rigidity: The material’s stiffness may limit its use in applications requiring flexibility.
#Spectrum PPS Filament
<a href=httpswww3djakecomspectrum>Spectrum<a> PPS Filament

Material Settings of PPS Filament

SettingValue
Print Temperature [°C]310 – 345
Build Plate Temperature [°C]90 – 160
Print Speed [mm/s]10 – 50
Cooling Fan [%]0 – 10
Enclosed Build ChamberRequired
Air ManagementRequired
Min Active Heated Build Chamber Temperature [°C]90
DryingRequired
AnnealingRequired

Successful printing with PPS involves managing extremely high printing temperatures and a tightly controlled print environment, with diligence in moisture management to preserve filament quality.

Mechanical Properties of PPS Filament

PropertyValue
Shore HardnessD90 – D95
Specific Gravity [g/cc]1.28 – 1.51
Tensile Strength at Break [Mpa]50 – 120
Elongation at Break [%]2 – 18
Flexural Strength [Mpa]52 – 170
Flexural Modulus [Mpa]2,085 – 2,850
Impact Strength Charpy 23˚C [kJ/m²]20 – 25
HDT B [°C]90 – 240
Tg [°C]85 – 90
UV ResistanceHigh

PPS’s mechanical properties solidify its status as an exceptionally durable material suited for producing parts that can withstand severe thermal, chemical, and mechanical conditions.

Material Comparison

MaterialPLAABSPPS
Print Temperature [°C]180 – 235230 – 270320 – 360
DurabilityModerateHighHighest
Ease of PrintingHighModerateDifficult
UV ResistanceLowModerateHigh
Heat ResistanceLowModerateHighest

PPS offers unparalleled durability, heat resistance, and chemical stability, setting it apart for industrial applications with stringent performance requirements. It presents considerable challenges in printability due to high processing temperatures and special equipment needs when compared to materials like PLA and ABS.

FAQ´s about PPS Filament

How does PPS compare to PEEK and PEI in terms of performance?

PPS provides a competitive alternative with similar chemical resistance to PEEK and better temperature resilience compared to PEI, making it highly effective for specific high-performance applications.

Can PPS be used on standard desktop 3D printers?

Due to its high extrusion temperature and strict environmental requirements, PPS typically requires advanced industrial-grade 3D printers not usually accessible for standard desktop printing.

How can the challenges of printing with PPS be addressed?

Utilizing a high-temperature nozzle, heated bed, and enclosed print chamber, along with adherence to manufacturer’s recommended print settings, can help mitigate printing challenges.

Is PPS recyclable?

Yes, like many thermoplastics, PPS is recyclable. However, due to its specialized nature, recycling should be carried out in facilities that can process high-performance polymers.

How does PPS perform in outdoor environments?

PPS exhibits excellent UV resistance along with thermal and chemical stability, making it suitable for long-term outdoor applications even under harsh environmental conditions.

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