Turn concepts into precision-engineered products with RapidDirect’s end-to-end expertise.

Verification Phase New

De-risk production with rigorous prototyping, testing, and manufacturability validation.

Mass Production New

Seamlessly scale validated prototypes into high-volume production with optimized processes and materials.

Packaging Phase New

Deliver your product safely and efficiently with professional, market-ready packaging solutions.

Service Packages New

Choose the ideal NPI package—from feasibility to mass production—to accelerate your go-to-market strategy.

Explore All Industries We Serve→

Gain valuable insights into manufacturing processes.

News

Company news, platform updates, holiday announcement.

eBooks

Improve manufacturing know-how with our eBooks collection.

Case Studies

Learn successful stories to inspire your project.

Surface Finishes

Select from 30+ surface finishing options.

Materials

Choose from 50+ metals and plastics for your project.

CNC Machining eBook

If you want to produce high-quality machined parts with a sleek appearance, it’s essential to consider some critical factors related to CNC machining.

Here, we’ve gathered some basic information and important considerations to help you achieve the desired results.

About RapidDirect

Our vision, mission, development history, and dedicated team.

Testimonials

Read what our customers say about their experience.

Quality Assurance

Discover how we ensure precision and quality in manufacturing

Online Platform

Get Instant quotes with our smart online platform.

Teamspace

Updated teamspace feature with membership rewards.

Building A12, Haosi Industrial Park
Nanpu Road, Xinqiao Street, Bao'an District
Shenzhen, China, 518104
+86 0755-85276703
+86 158 0208 7464
[email protected]

PPS Injection Molding Service

Precision PPS injection molding for prototyping and production. Fast turnarounds, cost-efficiency, and reliable quality.

PPS in Injection Molding

Polyphenylene Sulfide (PPS) is a high-performance engineering thermoplastic with chemical resistance and thermal stability properties. PPS is applicable in parts that require high dimensional stability, low moisture absorption, and resistance to chemicals and heat.

As a result, it is ideal for automotive, electrical, industrial, and aerospace applications, where performance under harsh conditions is critical. RapidDirect offers various PPS materials, including PPS Black, PPS White, and PPS+GF30 Black, to meet diverse injection molding needs.

Price:	$$
Available PPS at RapidDirect:	PPS Black, PPS White, PPS+GF30 Black
Lead Time:	< 5 days
Wall Thickness:	1mm
Tolerances:	ISO2768-C
Max Part Size:	300 mm x 300 mm x 300 mm

Plastic PPS Properties

Properties	Value
Density	1.3-1.8 g/cm³
Tensile Strength	75-90 MPa
Flexural Strength	200-225 MPa
Impact Strength	Moderate
Thermal Conductivity	0.25-0.3 W/(m·K)
Melting Point	280-290°C
Coefficient of Thermal Expansion	30-60 x 10^-6 /°C
Moisture Absorption	Low
Chemical Resistance	Excellent
UV Resistance	Good

Pros and Cons of PPS Injection Molding

PPS plastic offers many benefits that make it suitable for injection molding. However, there are some of its downsides to consider before choosing it for any project.

Pros

Excellent chemical resistance and thermal stability.
High mechanical strength and dimensional stability.
Low moisture absorption and good electrical insulation.

Cons

Higher processing temperatures are required.
It can be brittle if not properly processed.
More expensive than some other engineering plastics.

Applications of Injection Molded PPS Parts

Injection molded PPS parts are widely used across various industries, including:

Automotive: Under-the-hood components, electrical connectors, and fuel system parts.
Electrical and Electronics: Insulators, connectors, and housings.
Industrial: Pump components, valves, and mechanical parts.
Aerospace: Engine components, structural parts, and insulation

FAQs

What are the temperature requirements for PPS injection molding?

To ensure proper flow and molding, PPS requires high processing temperatures, typically 2800C to 3200C. The mold temperature should also be maintained between 1300C and 1500C to achieve optimal crystallinity and mechanical properties.

Can PPS be used for my specific application?

PPS suits applications requiring high chemical resistance, thermal stability, and mechanical strength. It is widely used in the automotive, electrical, industrial, and aerospace sectors. If your application involves harsh chemical environments, high temperatures, or the need for dimensional stability, PPS is an excellent choice.

How does PPS compare to other materials like PEEK or Nylon?

PPS offers excellent chemical resistance and thermal stability, like PEEK, but at a lower cost. While PPS is less expensive than PEEK, it may have slightly lower mechanical properties. PPS has superior chemical resistance and thermal stability compared to Nylon but may be more brittle.

What design considerations are important for PPS injection molding?

When designing for PPS injection molding, consider factors such as uniform wall thickness to prevent warpage, appropriate gate design to ensure smooth material flow and adequate venting to avoid air traps. Additionally, account for the material’s shrinkage rate and ensure proper mold temperature control for optimal part quality.