Covestro Makrolon® CD 2005 Polycarbonate, Optical/Compact Disc Grade (discontinued **)

Category	Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Optical Grade
Manufacturer
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Covestro Makrolon® CD 2005 Polycarbonate, Optical/Compact Disc Grade (discontinued **).pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Injection molding grade with exceptionally good flow, for optical storage media such as CD.Information provided by Bayer.As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and has officially adopted its new name – Covestro. This product was discontinued prior to the separation.

Physical Properties	Metric	English	Comments
Density	1.20 g/cc	0.0434 lb/in³
Water Absorption	0.35 %	0.35 %	Saturation in water
Moisture Absorption at Equilibrium	0.15 %	0.15 %	Equilibrium at 50% RH
Water Absorption at Saturation	0.35 %	0.35 %
Melt Flow	60 g/10 min @Load 1.20 kg, Temperature 300 °C	60 g/10 min @Load 2.65 lb, Temperature 572 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	60.0 MPa	8700 psi
Elongation at Break	>= 50 %	>= 50 %	Nominal
Elongation at Yield	6.0 %	6.0 %
Tensile Modulus	2.30 GPa	334 ksi
Charpy Impact Unnotched	NB	NB

Thermal Properties	Metric	English
CTE, linear, Parallel to Flow	70.0 µm/m-°C @Temperature 20.0 °C	38.9 µin/in-°F @Temperature 68.0 °F
CTE, linear, Transverse to Flow	70.0 µm/m-°C @Temperature 20.0 °C	38.9 µin/in-°F @Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi)	137 °C	279 °F
Deflection Temperature at 1.8 MPa (264 psi)	122 °C	252 °F
Vicat Softening Point	143 °C	289 °F
Glass Transition Temp, Tg	145 °C	293 °F
UL RTI, Electrical	75.0 °C @Thickness 0.710 mm	167 °F @Thickness 0.0280 in
UL RTI, Mechanical with Impact	75.0 °C @Thickness 0.710 mm	167 °F @Thickness 0.0280 in
UL RTI, Mechanical without Impact	75.0 °C @Thickness 0.710 mm	167 °F @Thickness 0.0280 in
Flammability, UL94	V-2 @Thickness 0.710 mm	V-2 @Thickness 0.0280 in

Optical Properties	Metric	English	Comments
Refractive Index	1.583	1.583	DIN 5026-1
Transmission, Visible	>= 89 % @Thickness 1.00 mm	>= 89 % @Thickness 0.0394 in	ISO 489-A

Electrical Properties	Metric	English
Electrical Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm
Surface Resistance	1.00e+15 ohm	1.00e+15 ohm
Dielectric Strength	30.0 kV/mm	762 kV/in

Processing Properties	Metric	English	Comments
Melt Temperature	305 - 335 °C	581 - 635 °F

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