Plastic material guide
PPS (Polyphenylene Sulfide) CNC Machining Service
PPS is a high-performance polymer family commonly supplied in filled formulations. Reinforcement type and percentage materially change stiffness, expansion and machining behaviour.
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When PPS (Polyphenylene Sulfide) fits — and when to pause.
Chemical and heat exposure
Check the exact grade against media, temperature and load.
Electrical components
Use grade-specific electrical and flame data.
Precision parts
Review reinforcement and stock processing history.
Use a complete material designation.
The following examples are common ways buyers describe the family. They are not a stock list and they do not authorise substitution.
- Unfilled PPS when available by supplier gradeConfirm supplier grade, condition, stock form and required documentation.
- Glass-filled PPS with percentage and gradeConfirm supplier grade, condition, stock form and required documentation.
- Mineral or other reinforced PPS with full designationConfirm supplier grade, condition, stock form and required documentation.
RFQ material line
PPS (Polyphenylene Sulfide) · PPS manufacturer grade and reinforcement · stock form · quantity · required certificates · permitted substitutions.
If an application approval matters, name the regulation, edition and acceptance evidence.
Plan machining around the material behaviour.
Abrasive fillers
Select tooling and edge strategy for reinforcement.
Brittle edges
Review thin walls, corners and drilled exits.
Flatness
Sequence machining and inspection for asymmetric stock removal.
Specify the final surface and dimensions.
As-machined
Define edge chipping and roughness.
Deburring
Avoid damaging brittle features.
Coating or bonding
Verify compatibility for the formulation.
Separate material identity from dimensional inspection.
Purchase specification, supplier documents, lot traceability and an agreed identification or test method where appropriate.
Drawing, datums, critical characteristics, inspection conditions and the required report format.
Use the relevant tester only when the drawing defines the parameter, method, location and acceptance range.
Reference and quotation boundary.
External material reference: Celanese Fortron PPS ↗
The source supports general material context. It does not establish Prolean stock, achievable tolerances, certification scope, price or delivery for a specific part. Those are confirmed in the quotation.
Technical review updated October 2026.
PPS (Polyphenylene Sulfide) machining questions.
How should PPS (Polyphenylene Sulfide) be specified for machining?
State the complete PPS manufacturer grade and reinforcement, the stock form, permitted substitutions and required documents. Add the drawing, quantity, finish and inspection requirements.
Does a listed grade mean it is stocked?
No. The examples help structure an RFQ. Availability, substitutions, price and delivery are confirmed for the project.
How are tolerances confirmed?
Tolerances depend on geometry, material condition, feature size, quantity, finishing and inspection conditions. Mark critical dimensions and datums; the quote confirms what can be held.
Can material documents and inspection reports be supplied?
State the required certificate, traceability and dimensional or test report with the RFQ. The available document set and test method are confirmed before production.
Bring the drawing and material into one review.
Send the CAD model or drawing, quantity, material designation, service conditions, finish and acceptance requirements.
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- MaterialComplete grade, condition, stock form and documents.
- PartCritical dimensions, datums, finish and inspection.
- ProjectQuantity and requested delivery date.