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Plastics & Elastomers
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Dow Questra® EA503 High Heat Syndiotactic Polystyrene, 30% Glass Filled

Technical Datasheet | Supplied by DowDuPont (Dow)

Discontinued : product no longer available

QUESTRA® Crystalline Polymers are semi-crystalline engineering thermoplastic resins produced from styrene monomer using a proprietary metallocene catalyst system. These syndiotactic polymers are very different from conventional styrenics in structure, and properties, exhibiting excellent heat resistance with a melting temperature of 270.C, excellent moisture and chemical resistance together with a unique combination of exceptional electrical properties, toughness and processability. QUESTRA crystalline polymers are typically used as moldings, films, and fibers in Electronic, Electrical, Automotive, Consumer and Industrial, Filtration, Optical/photographic film and Specialty fiber/non-woven markets.QUESTRA EA503 is a 30% glass filled, ignition resistant polymer suitable for Electrical and Electronic applications.Data provided by Dow Chemical.
Product Type
Thermoplastic, other
Product Status

Dow Questra® EA503 High Heat Syndiotactic Polystyrene, 30% Glass Filled Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Tensile Modulus
9.65 GPa
Tensile Strength, Yield
96.5 MPa
Impact Strength, Notched Izod
0.65 J/cm
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