Chemical Product Library / Reference

Polyphenylene sulfide

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Polyphenylene sulfide

Chemical identity

English namePolyphenylene sulfide
English synonymsPPS;Polyphenylene sulfide;PPS resin
Chinese name聚苯硫醚
Chinese synonymsPPS;聚苯硫醚树脂
Chemical categoryEngineering Plastics
CAS No.26125-40-6
EINECS No.Not provided
Molecular formula(C6H4S)n
Molecular weightNot provided
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Melting point 280–290°C; density 1.34–1.36 g/cm³; ash ≤0.05%; moisture ≤0.05%

Performance characteristics

Semi-crystalline engineering plastic, excellent heat resistance, chemical resistance and dimensional stability

Application scenarios

Automotive, electrical/electronic, industrial pumps and valves, coatings