Polyphenylsulphone

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Polyphenylsulphone (PPSF or PPSU) is a type of moldable plastic often used in rapid prototyping and rapid manufacturing (direct digital manufacturing) applications. Polyphenylsulphone is a heat- and chemical-resistant material. It is typically used in automotive and aerospace applications. It has virtually no melting point, due to its amorphous nature.^{[citation needed]} It offers tensile stength up to 8000 psi. Its commercial name is RadelR.