Zeon Specialty Materials Zeonex® RS820 Cyclo Olefin Optical Grade Polymer

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Zeon Specialty Materials Zeonex® RS820 Cyclo Olefin Optical Grade Polymer (discontinued **)
Categories:	Polymer; Thermoplastic; Cyclo Olefin Polymer
Material Notes:	Pencil hardness (JIS K5401) is 'B'. White and opaque. Key characteristics of Zeonex® RS820 include high impact resistance; applicable for plating. Major applications include electric insulating parts. General Zeonex® Information: Specific grades of Zeonex® are available for different applications. Zeonex® features include chemical resistance to acids and bases, low impurity content, and easy processing through injection molding, blow molding, and film extrusion. Specific grades are used in camera lenses, prisms, and VTR lenses; CD pickup lenses, LBP FΘ lenses, and polygon mirrors; films; and other uses in the electric, electronic, medical treatment, and optronics fields. Information provided by Zeon Chemicals L.P.
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Physical Properties	Original Value	Comments

Density	1.01 g/cc	ASTM D792
Water Absorption	<= 0.010 %	ASTM D570
Moisture Vapor Transmission	0.380 cc-mm/m²-24hr-atm	g-mm/m²-24 hr; (100µm) JIS Z 0208
Melt Flow	9.0 g/10 min	280°C/2.16 kg; JIS K 6719

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	42.0 MPa	ASTM D638
Elongation at Break	100 %	ASTM D638
Tensile Modulus	1.90 GPa	ASTM D638
Flexural Yield Strength	57.0 MPa	ASTM D790
Flexural Modulus	1.70 GPa	ASTM D790
Izod Impact, Notched	0.380 J/cm	3.2 mm sample; ASTM D256

Electrical Properties	Original Value	Comments
Electrical Resistivity	>= 1.00e+16 ohm-cm	ASTM D257
Dielectric Constant	2.27 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	40.0 kV/mm	1 mm; short time; ASTM D149
Dissipation Factor	0.00020 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	70.0 µm/m-°C @Temperature 20.0 °C	ASTM D696
Deflection Temperature at 1.8 MPa (264 psi)	123 °C	Unannealed; ASTM D648
Glass Transition Temp, Tg	138 °C	DSC
Flammability, UL94	HB

**
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PZEONA / 72961

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