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Plastics & Elastomers
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Plastics & Elastomers
by SpecialChem
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Solvay Specialty Polymers Radel® R-7535 Polyphenylsulfone (PPSU)

Technical Datasheet | Supplied by Solvay
Radel R-7535 polyphenylsulfone resin is a cost-effective solution for aircraft interior applications. This product complies with the FAA regulation 14CFR Part 25 Appendix F, offering vertical burn resistance, very low smoke generation and, through the use of proprietary additives, low heat release values by the Ohio State University (OSU) rate of heat release method. It also generates low flaming-mode toxic gas emissions. Radel R-7535 is formulated for darker, integrally colored applications where there is low UV exposure. An alternate grade, Radel R-7558, is available for lighter applications with low UV exposure. - Available in several custom colors
Product Type
PSU (Polysulfone) > PPSU
Product Status

Solvay Specialty Polymers Radel® R-7535 Polyphenylsulfone (PPSU) Properties

Processing Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
107 - 163 °C
Drying Temperature
166 - 177 °C
Rear Barrel Temperature
354 - 371 °C
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