PPS Plastic Material

PPS Sheet, Rod, Tube & Custom CNC Parts for OEM Buyers

PPS (polyphenylene sulfide) is a semi-crystalline high-performance engineering thermoplastic with excellent chemical resistance, dimensional stability, low moisture absorption, and high-temperature performance. Great Plastics supplies PPS sheet, rod, and tube, and manufactures custom PPS components to customer drawings.

±0.01mm

machining tolerance

24h

RFQ response after drawings and application conditions are received

5-7 days

fast dispatch capability for suitable stock-form orders

1 piece

MOQ (Min. Order)

Overview

PPS Material Selection for Chemical Resistance and Dimensional Stability

PPS (polyphenylene sulfide) selection is not based on a single property value from a datasheet. Engineers typically evaluate PPS when components require a combination of heat resistance, chemical resistance, low moisture absorption, electrical insulation, and dimensional stability.

Compared with other engineering plastics, PPS can provide a balanced combination of chemical resistance, dimensional stability, electrical performance, and cost efficiency for applications where materials such as PA, PTFE, PEI, or PEEK may not provide the optimal balance.

Final material selection depends on PPS grade, reinforcement type, operating temperature, chemical exposure, mechanical loading, wear conditions, component geometry, and documentation requirements.

Temperature Resistance

PPS is often selected for high-temperature environments, but actual performance depends on grade, load conditions, exposure time, and surrounding media.

Chemical Resistance

PPS provides excellent resistance to many industrial chemicals and solvents. Chemical concentration, temperature, and mechanical stress should be evaluated for each application.

Dimensional Stability

Low moisture absorption and reinforced PPS formulations help maintain dimensional accuracy under changing humidity and temperature conditions.

Electrical Insulation

Unfilled PPS is widely used for electrical insulation components, while conductive and antistatic grades require specific formulation review.

Wear and Creep Performance

Bearing-grade and wear-modified PPS formulations can be considered for applications involving friction, wear, or creep requirements.

Flame Resistance

PPS is often selected for its inherent flame resistance. Any UL rating should be verified according to the exact material grade and certification documentation.

Stock Shapes & Custom Parts

PPS Stock Shapes & Custom Machined Parts

Great Plastics supplies PPS stock shapes and custom-machined components for industrial and OEM applications. Available grades, dimensions, and machining options are evaluated based on component requirements, operating conditions, and manufacturing needs.

PPS plastic sheet for precision machining and insulation components

PPS Sheets

PPS sheets are used for machined plates, electrical insulation components, fixtures, gaskets, and other precision flat parts requiring chemical resistance and dimensional stability.

PPS plastic rod stock for CNC machined industrial components

PPS Rods

PPS rods are commonly machined into bushings, spacers, rollers, shafts, pins, and other precision cylindrical components.

PPS plastic tube stock for chemical resistant and insulating applications

PPS Tubes

PPS tubes are used for sleeves, insulating components, and selected fluid-handling parts requiring chemical resistance, thermal stability, and dimensional accuracy.

custom CNC machined PPS plastic parts manufactured for OEM applications

Custom Machined Parts

Custom PPS components are CNC machined from selected PPS grades according to customer drawings, CAD files, or samples. Prototype, low-volume, and production quantities are supported.

Need a specific PPS grade or size? Contact our engineering team to confirm material availability and machining options.

PPS Stock Shape Table
PPS Stock Shape Typical Form Grade Notes Custom Machining
PPS Sheet Plates or sheets Unfilled and reinforced options Yes
PPS Rod Round rod Unfilled and reinforced options Yes
PPS Tube Tubes or sleeves Selected grades Yes
Custom PPS Parts CNC machined components Grade-specific Yes

Material Selection

PPS Plastic Grades and Material Options

PPS is available in several grades formulated for different mechanical, thermal, chemical, electrical, and wear requirements. Grade selection depends on operating temperature, mechanical load, chemical environment, wear conditions, and dimensional requirements.

glass filled and carbon filled PPS plastic grades

Virgin PPS

Unfilled PPS

Selected when chemical resistance, electrical insulation, low moisture absorption, and dimensional stability are required without reinforcement.

glass filled and carbon filled PPS plastic grades

GF30–GF40

Glass Fiber PPS

Selected when higher stiffness, creep resistance, and dimensional stability are required for mechanically loaded components.

glass filled and carbon filled PPS plastic grades

CF

Carbon Fiber PPS

Selected when higher rigidity, wear resistance, and reduced thermal expansion are required.

glass filled and carbon filled PPS plastic grades

Wear

Wear-Modified PPS

Selected for sliding components such as bushings, wear rings, and guides where friction and wear performance are important.

glass filled and carbon filled PPS plastic grades

Bearing

Specialty PPS

Selected for applications requiring specific electrical properties, cleanliness requirements, purity levels, or custom performance characteristics.

Performance Data

Key Properties of PPS Plastic Materials

The following sections summarize the principal engineering properties of PPS. Actual values vary by grade, reinforcement, processing method, temperature, and test conditions.

Mechanical Properties

PPS provides good strength and stiffness with low creep. Glass- and carbon-fiber reinforced grades provide higher strength, stiffness, dimensional stability, and load-bearing performance.

Thermal Properties

PPS has a glass transition temperature of approximately 85–90°C and a melting temperature of about 280–290°C. Typical continuous service temperature is approximately 220–230°C, depending on grade, load, and operating conditions.

Chemical Properties

PPS provides excellent resistance to many acids, bases, fuels, oils, and solvents, with good hydrolysis resistance. Chemical compatibility depends on the chemical, concentration, temperature, exposure time, stress, and PPS grade.

Electrical Properties

PPS provides good electrical insulation, high volume resistivity, and stable dielectric performance. Low moisture absorption helps maintain electrical properties in humid environments.

PPS Material Properties — Typical Values for Unfilled PPS

Material Properties Table
Property Test Method Typical Value Unit
Density ASTM D792 / ISO 1183 1.34–1.36 g/cm³
Tensile Strength ASTM D638 / ISO 527 55–70 MPa
Tensile Modulus ASTM D638 / ISO 527 3.0–3.6 GPa
Flexural Strength ASTM D790 / ISO 178 80–100 MPa
Flexural Modulus ASTM D790 / ISO 178 3.0–3.8 GPa
Glass Transition Temperature (Tg) DSC / ISO 11357 85–90 °C
Melting Temperature DSC / ISO 11357 280–290 °C
Continuous Service Temperature UL 746B / supplier data ~220–230 °C
Coefficient of Linear Thermal Expansion ASTM E831 / ISO 11359 50–70 ppm/°C
Volume Resistivity ASTM D257 / IEC 60093 >1016 Ω·cm
Dielectric Strength ASTM D149 / IEC 60243 15–20 kV/mm
Water Absorption (24 h, 23 °C) ASTM D570 / ISO 62 0.02–0.05 %
Limiting Oxygen Index (LOI) ASTM D2863 / ISO 4589 44–47 %

Values shown are representative ranges for unfilled PPS stock shapes and are provided for reference and material comparison. Actual properties depend on the PPS grade, resin supplier, processing method, specimen geometry, and test conditions.

For design-critical applications, refer to the applicable manufacturer TDS for grade-specific property data.

Manufacturing Capability

PPS CNC Machining and Custom Components

Great Plastics provides CNC machining services for custom PPS components using PPS sheets, rods, tubes, and other stock shapes. Components are manufactured according to customer drawings, CAD files, samples, and application requirements.

We support prototype development, low-volume production, and OEM manufacturing programs for precision PPS parts.

CNC Milling & Turning
Precision Machining
Tight Tolerance Parts
Prototype Production
OEM Volume Manufacturing
Multi-Axis Machining
1–10,000+
Parts per Run
CMM
Inspection
24h
Quote Turnaround

Industry Use Cases

Applications of PPS Plastic Materials

PPS is selected for applications requiring a combination of heat resistance, chemical resistance, low moisture absorption, dimensional stability, electrical insulation, flame resistance, and wear performance.Application suitability depends on operating temperature, chemical exposure, mechanical loading, regulatory requirements, and the specific PPS grade selected.

Semiconductor Lithography Equipment

Semiconductor Equipment

PPS is used for selected semiconductor equipment components requiring low moisture absorption, chemical resistance, dimensional stability, and electrical insulation.

Typical Components: Fixtures · Insulators · Spacers · Handling Components

Engineering plastics are used in new energy vehicles

Automotive Systems

PPS is suitable for automotive components exposed to elevated temperatures, fuels, oils, and electrical environments requiring dimensional stability and chemical resistance.

Typical Components: Connectors · Sensor Parts · Housings · Pump Components

Renewable Energy

Electrical & Electronic

PPS provides heat-resistant electrical insulation, low moisture absorption, and stable dielectric performance for electrical and electronic components.

Typical Components: Connectors · Insulators · Coil Components · Sensor Housings

Petrochemicals_files

Chemical Processing

PPS is suitable for selected chemical-processing components requiring resistance to acids, bases, oils, fuels, and solvents.

Typical Components: Valve Seats · Pump Components · Gaskets · Bushings

Precision Mechanical Engineering Plastic Parts

Precision Machinery

PPS is suitable for precision-machined components requiring low moisture absorption, dimensional stability, low creep, and good machinability.

Typical Components:Locating Fixtures · Guide Blocks · Spacers · Precision Parts

Instrumentation Engineering Plastic Parts

Industrial Equipment

PPS is used for industrial components requiring thermal stability, chemical resistance, wear resistance, and dimensional stability.

Typical Components: Wear Plates · Rollers · Bushings · Sliding Guides

Material Comparison

PPS vs. Other Engineering Plastics

PPS is selected when chemical resistance, low moisture absorption, dimensional stability, heat resistance, and cost need to be balanced. PPS is not universally better than PEEK, PTFE, PEI, POM, or Nylon; each material is suited to different engineering requirements.

Material Comparison Table
Property PPS PEEK PTFE PEI POM Nylon (PA)
Temperature Resistance High; approximately 220–230 °C continuous when grade and conditions allow Higher extreme-temperature capability High temperature resistance under low load High amorphous heat resistance Moderate Moderate
Mechanical Strength Good; higher with reinforcement Higher toughness and strength Low load-bearing strength Good rigidity Good general strength Good toughness
Dimensional Stability Excellent low-moisture stability Excellent Poor under load Good Low moisture sensitivity Lower in humidity
Wear Resistance Good; better in wear grades Excellent Very low friction Moderate Good Good
Chemical Resistance Broad resistance to many chemicals Broad resistance in many environments Very high chemical inertness Limited against some solvents Limited against acids and bases Limited in hot water and humidity
Relative Cost Moderate High Low to moderate Moderate to high Low Low

PPS vs PEEK

Choose PPS when chemical resistance, dimensional stability, and cost control are important. Choose PEEK when higher temperature capability, mechanical strength, toughness, or fatigue resistance is required.

PPS vs PTFE

Choose PPS for structural or precision components requiring dimensional stability and load-bearing performance. Choose PTFE when very low friction and chemical resistance are the primary requirements.

PPS vs PEI

Choose PPS when chemical resistance, low moisture absorption, and dimensional stability are important. Choose PEI when an amorphous high-temperature material, transparency, or specific electrical performance is required.

PPS vs POM and Nylon

Choose PPS when higher temperature, chemical resistance, or dimensional stability is required. Choose POM or Nylon when operating conditions are less demanding and cost-effective general mechanical performance is the priority.

Related material links: PEEK Plastic Materials | PEI Plastic Materials | PAI Plastic Materials

Your Partner

Why Choose Great Plastics？

Great Plastics supports PPS material selection and custom component manufacturing by reviewing material grades, stock shapes, machining requirements, dimensional risks, inspection needs, and production requirements during the quotation process.Our engineering review considers PPS formulation, filler system, component geometry, machining sequence, tolerance requirements, and documentation needs before production.

01

PPS Grade Selection

Review operating temperature, chemical exposure, mechanical load, wear conditions, electrical requirements, and target geometry to identify suitable PPS grade options.Different PPS formulations, including unfilled, glass-filled, carbon-filled, and wear-resistant grades, may require different considerations for performance, machining behavior, and dimensional stability.

02

Drawing Review and CNC Machining

Customer drawings, CAD files, or samples are reviewed for critical features, datum structures, tolerance risks, wall thickness, machining accessibility, burr control, and inspection requirements.PPS CNC machining includes milling, turning, drilling, tapping, and multi-step machining processes based on component geometry, stock shape, production quantity, and manufacturing requirements.

03

Inspection and Quality Documentation

Inspection planning can define critical dimensions, gauges, CMM inspection, surface finish requirements, measurement methods, and release documentation.Material data sheets, inspection records, and customer-specific documentation requirements can be reviewed during quotation and production planning.

04

Custom PPS Component Production

Stock shape selection, machining sequence, production quantity, and repeatability requirements are evaluated together to balance performance, cost, and manufacturing efficiency for custom PPS component production.

Request a Quote for Custom PPS Plastic Components

Send your drawings, specifications, or part samples to our engineering team.

We’ll respond with material recommendations, pricing, and lead times within one business day.

Common Questions

Frequently Asked Questions

Quick answers to the questions engineers and procurement teams ask most about PPS materials.

What temperature can PPS withstand?

PPS can typically provide continuous service at approximately 220–230°C, depending on the grade, mechanical load, environment, and exposure duration. Its melting temperature is approximately 280–290°C, but melting temperature should not be used as the continuous service temperature.

Yes. PPS provides excellent resistance to many acids, bases, fuels, oils, and solvents. Chemical resistance depends on the chemical type, concentration, temperature, exposure time, mechanical stress, and PPS grade. For critical applications, refer to the applicable material data sheet.

PPS is not universally better than PEEK. PPS offers excellent chemical resistance, dimensional stability, low moisture absorption, and a lower material cost in many applications. PEEK generally provides higher temperature capability and mechanical performance for more demanding conditions.

Yes. PPS can be CNC milled, turned, drilled, threaded, and finished into precision components. Reinforced PPS grades may require suitable tooling and machining parameters because of their higher hardness and potential tool wear.

Common PPS options include unfilled, glass-filled, carbon-filled, wear-modified, and specialty grades. Great Plastics supplies PPS sheet, rod, and tube and manufactures custom PPS components according to customer drawings and specifications.