Polyphenylene sulfide (PPS) plastic can tackle extreme environments with ease. This high-performance material can withstand scorching temperatures, resist flames, and block electrical currents while staying structurally sound. First introduced in 1967, PPS has become indispensable to industries like automotive manufacturing and aerospace engineering, where materials often face relentless stress.

Polymershapes in Los Angeles provides fabricated PPS plastics built to last. As an ISO 9001-certified fabricator, we offer the premium-quality plastic materials you need for your project. Partner with us to source plastics that can handle pressure without compromising performance.

The Benefits of Polyphenylene Sulfide

Multicolored plastic bottle caps made of polyphenylene sulfide

When sodium sulfide and dichlorobenzene combine using polar solvents, this process creates PPS plastic material. The result of this high-temperature plastic fabrication process creates one of the most resistant and durable plastics.

Polyphenylene sulfide (PPS) starts as a reaction between sodium sulfide and dichlorobenzene, mixed under precise conditions to form a polymer built for extreme conditions. This high-heat process yields a semi-crystalline plastic that:

  • Holds its shape even under extreme temperatures, avoiding warping or weakening
  • Balances strength and weight for aerospace or automotive parts
  • Resists acids, solvents, and moisture without degrading
  • Acts as a reliable insulator in electrical components
  • Maintains performance under constant pressure

There are three main types of PPS plastic to suit the needs of any project.

  • Cured PPS: Exposing standard PPS to heat and air improves heat resistance for engine components.
  • Branched PPS: A web-like structure adds rigidity, ideal for structural supports in harsh settings.
  • Linear PPS: Offers a higher molecular weight than the standard PPS polymer.

These types of PPS cater to a wide range of industrial needs, which we’ll look into in the next section.

Industries Relying on Polyphenylene Sulfide (PPS) Plastic

The footwell of a car made from PPS plastic

This high-performance plastic is commonly used in some of the most demanding industries, including:

Electronics Manufacturers

If you’ve ever handled a circuit board, there’s a good chance the PPS polymer played a part in its construction. It’s used in heat shields, contact rails, connectors, and pressure discs—helping electronic components stay stable under high temperatures.

Automotive

Manufacturers rely on polyphenylene sulfide for fuel and brake systems, along with other components that endure harsh conditions. Whether it’s exposure to engine fluids or mechanical stress, PPS materials help keep vehicles running smoothly.

Chemical Producers

If an industry depends on controlled fluid flow and chemical resistance, chances are PPS is part of the equation. Chemical plants often rely on it for reactor linings, pipe fittings, and seals that can maintain integrity under a lot of chemical stress.

Medical and Healthcare

Heat-sensitive medical devices use plastic materials that won’t warp or degrade during sterilization. The PPS polymer can provide that stability, making it a trusted option for surgical instruments, lab equipment, and other healthcare devices exposed to high temperatures.

Appliance Manufacturing

Look inside your microwave, toaster, or dryer, and you’ll likely find PPS at work. It’s used for dryer grills, turntables, and appliance switches—parts that need to handle heat without wearing out too quickly.

Get Your High-Quality PPS Plastic from Polymershapes

At Polymershapes, we’ve spent over 70 years helping businesses like yours find the right plastics for their needs. As a plastic manufacturer partner, we work with top manufacturers, including Mitsubishi Chemical Materials, Primex Plastics Corporation, and Polymer Industries, to bring you high-quality PPS plastic sheets and rods.

Need a specific size or thickness? We offer a wide selection, but if you don’t see exactly what you need, we can customize it for you. If you’re ready to get started, contact Polymershapes today. To request a quote, just tell us your project specs, and we’ll deliver a solution that fits.

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