Covestro Makrolon® 2652 Polycarbonate

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Covestro Makrolon® 2652 Polycarbonate (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes:	MVR (300 °C/1.2 kg) 12 cm³/10 min; food contact quality; medium viscosity; easy release; complies with the BfR (formerly BgVV)- recommendations IX, XI and XLII abbr. the EN 71 part 3; injection molding - melt temperature 280 - 320 °C; toys As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
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Physical Properties	Original Value	Comments

Bulk Density	0.660 g/cc	pellets; ISO 60
Density	1.20 g/cc	ISO 1183-1
Moisture Absorption at Equilibrium	0.12 %	ISO 62, 50% RH
Water Absorption at Saturation	0.30 %	ISO 62
Water Vapor Transmission	15.0 g/m²/day @Thickness 0.100 mm	85% RH, film; ISO 15106-1
Oxygen Transmission	70.0 cc-mm/m²-24hr-atm @Thickness 0.0254 mm	2760 cc/m²-24hr-bar; film; b.o. ISO 2556
	70.0 cc-mm/m²-24hr-atm @Thickness 0.100 mm	700 cc/m²-24hr-bar; film; b.o. ISO 2556
Nitrogen Transmission	13.0 cc-mm/m²-24hr-atm @Thickness 0.100 mm	130 cc/m²-24hr-bar; film; b.o. ISO 2556
	13.0 cc-mm/m²-24hr-atm @Thickness 0.0254 mm	510 cc/m²-24hr-bar; film; b.o. ISO 2556
Carbon Dioxide Transmission	429 cc-mm/m²-24hr-atm @Thickness 0.0254 mm	16900 cc/m²-24hr-bar; film; b.o. ISO 2556
	430 cc-mm/m²-24hr-atm @Thickness 0.100 mm	4300 cc/m²-24hr-bar; film; b.o. ISO 2556
Linear Mold Shrinkage, Flow	0.0065 cm/cm @Thickness 2.00 mm	60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse	0.0070 cm/cm @Thickness 2.00 mm	60x60x2 mm; 500 bar; ISO 294-4
Melt Flow	13 g/10 min @Load 1.20 kg, Temperature 300 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Puncture Resistance	5400 N @Temperature 23.0 °C	ISO 6603-2
	6300 N @Temperature -30.0 °C	ISO 6603-2
Ball Indentation Hardness	115 MPa	ISO 2039-1
Tensile Strength at Break	70.0 MPa	50 mm/min; ISO 527-1,-2
Tensile Strength, Yield	66.0 MPa	50 mm/min; ISO 527-1,-2
Elongation at Break	>= 50 %	Nominal, 50 mm/min; ISO 527-1,-2
	120 %	50 mm/min; b.o. ISO 527-1,-2
Elongation at Yield	6.1 %	50 mm/min; ISO 527-1,-2
Tensile Modulus	2400 MPa	1 mm/min; ISO 527-1,-2
Flexural Strength	97.0 MPa	2 mm/min; ISO 178
Flexural Yield Strength	73.0 MPa @Strain 3.5 %	2 mm/min; ISO 178
Flexural Modulus	2400 MPa	2 mm/min; ISO 178
Flexural Strain at Yield	7.1 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	15.0 kJ/m² @Thickness 3.20 mm, Temperature -30.0 °C	complete break; b.o. ISO 180-A
	70.0 kJ/m² @Thickness 3.20 mm, Temperature 23.0 °C	partial break; b.o. ISO 180-A
Charpy Impact Unnotched	NB @Temperature 23.0 °C	ISO 179-1eU
	NB @Temperature -30.0 °C	ISO 179-1eU
Charpy Impact, Notched	16.0 kJ/m² @Thickness 3.00 mm, Temperature -30.0 °C	complete break; ISO 7391/b.o. ISO 179-1eA
	70.0 kJ/m² @Thickness 3.00 mm, Temperature 23.0 °C	partial break; ISO 7391/b.o. ISO 179-1eA
Puncture Energy	60.0 J @Temperature 23.0 °C	ISO 6603-2
	65.0 J @Temperature -30.0 °C	ISO 6603-2

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+16 ohm-cm	IEC 60093
Surface Resistance	1.00e+16 ohm	IEC 60093
Dielectric Constant	3.0 @Frequency 1e+6 Hz	IEC 60250
	3.1 @Frequency 100 Hz	IEC 60250
Dielectric Strength	34.0 kV/mm @Thickness 1.00 mm	IEC 60243-1
Dissipation Factor	0.00050 @Frequency 100 Hz	IEC 60250
	0.0090 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	125 V	CTI M; Solution B; IEC 60112
	250 V	Solution A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	65.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1,-2
CTE, linear, Transverse to Flow	65.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1,-2
Thermal Conductivity	0.200 W/m-K	cross-flow; ISO 8302
Hot Ball Pressure Test	136 °C	IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	136 °C	ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi)	124 °C	ISO 75-1,-2
Vicat Softening Point	144 °C @Load 5.10 kg	50°C/h; ISO 306
	145 °C @Load 5.10 kg	120°C/h; ISO 306
Glass Transition Temp, Tg	145 °C	10°C/min; ISO 11357-1,-2
Flash Point	480 °C	ASTM D 1929
	550 °C	self ignition; ASTM D 1929
Oxygen Index	27 %	Method A; ISO 4589-2
Glow Wire Flammability Index	850 °C @Thickness 1.00 mm	IEC 60695-2-12
	850 °C @Thickness 1.50 mm	IEC 60695-2-12
	850 °C @Thickness 2.00 mm	IEC 60695-2-12
	930 °C @Thickness 3.00 mm	IEC 60695-2-12
	960 °C @Thickness 4.00 mm	IEC 60695-2-12

Optical Properties	Original Value	Comments
Refractive Index	1.586	Procedure A; ISO 489
Haze	<= 0.80 % @Thickness 3.00 mm	ISO 14782
Transmission, Visible	87 % @Thickness 4.00 mm	ISO 13468-2
	88 % @Thickness 3.00 mm	ISO 13468-2
	89 % @Thickness 1.00 mm	ISO 13468-2
	89 % @Thickness 2.00 mm	ISO 13468-2

Processing Properties	Original Value	Comments
Melt Temperature	290 °C	Injection molding; ISO 294
Mold Temperature	80.0 °C	Injection molding; ISO 294
Injection Velocity	200 mm/sec	ISO 294

Descriptive Properties
Electrolytic Corrosion	A1	IEC 60426

**
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