Demand is Growing in Thailand for Super Engineering Plastic│What is ‘PPS (Polyphenylene Sulfide Resin)’?

07/10/2024

Yosuke Matsumiya

Sales Manager

▲ Cutting of PPS

Super engineering plastics are crucial materials for plastics processing at Technoplast (Thailand).

There are several types of super engineering plastics, but we will focus on “PPS (Polyphenylene sulfide)” which is seeing growing demand in Thailand.

What is the Super Engineering Plastic "PPS"?

▲ Inspection of PPS

PPS is a crystalline heat-resistant polymer composed of benzene and sulfur. It was first discovered by two chemists from the United States and France in 1888.

When PPS was first put into practical use in the United States in 1973, it was recognized for its excellent heat and chemical resistance as an injection molding resin, leading to increased demand for it as a super engineering plastic.

Features of PPS:
□ High heat resistance:
melting point around 280–290°C

□ Excellent chemical resistance:
Remains unchanged when exposed to many solvents, acids, and alkalis

□ Flame retardancy:
No flame-retardant additives required; flame-resistant with UL94V-0 rating and low smoke emission

□ Excellent electrical insulation properties:
Maintains high insulation performance even at 100°C and 80% humidity

□ High mechanical strength：
Provides tensile strength and rigidity across a wide temperature range

□ Dimensional stability:
Crystalline structure with extremely low water absorpti
on, ensuring excellent dimensional stability

As described above, PPS exhibits outstanding performance as a material for plastic resin processing. However, it also has some drawbacks: ① it is not suitable for adhesion or bending processing, ② pure PPS without glass, carbon fibers, or inorganic fillers has weak impact resistance, and ③ it is relatively expensive.

General Applications of PPS:

Automotive:
Water pump impeller
Housing
Insulator
Fuse holder
Brush holder
Bus bar
Bus bar
Others

Electrical & Electronic:
Coil bobbin
Connector
Socket parts
Others.

Housing Equipment:
Ball valves
Pump housing
Impeller rotor
Fitting parts
Meter housing
Faucet parts
Others

▲ Products using PPS

We have accumulated extensive experience and data in plastic processing, giving us expertise in working with PPS. Specifically, PPS is a material that tends to produce burrs, making precision more challenging, especially with thinner materials.

Three Strengths of Technoplast (Thailand) with PPS:

① Capable of processing PPS with wall thicknesses starting from 0.5mm
② Able to handle tolerances in the range of 0.01mm
③ Extensive material inventory (stocks materials in various thicknesses)

Since PPS is more expensive compared to other resin materials, we recommend using it for parts where its properties are essential or optimal. Additionally, we accept orders for production starting from a single part.

material for processing), plate cutting, lathe processing, molding, or material cut sales in Thailand, please contact us through the form below.

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Please feel free to contact us from the form as below.

We accept by phone and email.

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