Evonik Pleximid® 8817 PMMI Molding Compound

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Evonik Pleximid® 8817 PMMI Molding Compound
Categories:	Polymer; Thermoplastic; Acrylic (PMMA)
Material Notes:	Description: PLEXIMID® is a polymethyl methacrylimide (PMMI) product. This molding compound is characterized by its very high heat deflection temperature under load and rigidity. PLEXIMID® molding compounds are particularly suited for injection-molded parts for applications exposed to extreme thermal stress. Information provided by degussa. Evonik Industries is the successor company to Degussa.
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Physical Properties	Original Value	Comments

Density	1.21 g/cc	ISO 1183
Melt Flow	1.21 g/10 min @Load 10.0 kg, Temperature 260 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	90.0 MPa	5 mm/min; ISO 527
Elongation at Break	5.5 %	5 mm/min; ISO 527
Tensile Modulus	4.50 GPa	1 mm/min; ISO 527
Charpy Impact Unnotched	2.00 J/cm² @Temperature 23.0 °C	ISO 179

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	166 °C	ISO 75
Vicat Softening Point	170 °C	B50; ISO 306
Flammability, UL94	HB @Thickness 1.60 mm	IEC 707

Optical Properties	Original Value	Comments
Refractive Index	1.54	ISO 489
Transmission, Visible	90 %	Transmission Factor; DIN 5036

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