CNC Machining Materials

PPS

At a glance

Processes

CNC Mill
CNC Lathe

Lead Time

As fast as 7 days

Colors

Natural

Tolerance

With drawing: as low as +/- 0.005 mm
No drawing: ISO 2768 medium

Price

$$$

Applications

High temperature applications, automotive fluids, appliances, industrial applications, medical

About the material

Polyphenylene Sulfide (PPS) is a high-performance engineering plastic with excellent temperature resistance, dimensional stability, and electrical insulation properties. With exceptional mechanical strength, chemical resistance, and flame resistance, PPS is commonly found in high temperature applications such as automotive parts, appliances, electronics, medical devices, and industrial applications.

Material Properties

Yield Strength

13,000 PSI

Elongation at Break

4%

Hardness

Rockwell R125

Density

0.049 lbs / cu. in

McMaster Part Number

1906t25

Material Finish

PPS has an opaque, off-white finish when machined. It has a smooth, matte appearance post machining and can be machined to a variety of surface roughnesses.

Design Recommendations

Min Wall Thickness

1.0 mm

Min End Mill Size

0.8 mm (0.03 in)

Min Drill Size

0.5 mm (0.02 in)

Max Part Size

1200 x 500 x 152 mm [x,y,z] (mill)
152 x 394 mm [d,h] (lathe)

Undercuts

Square profile, full radius, dovetail profiles

Radii : Depth

Depth must not exceed 12x drill bit diameter.
For end mills, depth must not exceed 10x tool diameter.

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