Covestro Makrolon® 2207 Polycarbonate, Injection Grade

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Covestro Makrolon® 2207 Polycarbonate, Injection Grade
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Unreinforced, Flame Retardant
Material Notes:	MVR (300 °C/1.2 kg) 35 cm³/10 min; general purpose; low viscosity; UV stabilized; easy release; injection molding - melt temperature 280 - 320 °C; available in transparent, translucent and opaque colors As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Key Words:	PC
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Physical Properties	Original Value	Comments

Bulk Density	0.660 g/cc	pellets; ISO 60
Density	1.19 g/cc	ISO 1183-1
Moisture Absorption at Equilibrium	0.12 %	50% RH; ISO 60
Water Absorption at Saturation	0.30 %	ISO 60
Water Vapor Transmission	15.0 g/m²/day	85 % RH; 100 µm film; ISO 15106-1
Oxygen Transmission	750 cc-mm/m²-24hr-atm	[cm³/(m²·24 h·bar)], 100 µm film; b.o. ISO 2556
	3150 cc-mm/m²-24hr-atm	[cm³/(m²·24 h·bar)], 25.4 µm (1 mil) film; b.o. ISO 2556
Nitrogen Transmission	150 cc-mm/m²-24hr-atm	[cm³/(m²·24 h·bar)], 100 µm film; b.o. ISO 2556
	630 cc-mm/m²-24hr-atm	[cm³/(m²·24 h·bar)], 25.4 µm (1 mil) film; b.o. ISO 2556
Carbon Dioxide Transmission	4500 cc-mm/m²-24hr-atm	[cm³/(m²·24 h·bar)], 100 µm film; b.o. ISO 2556
	18900 cc-mm/m²-24hr-atm	[cm³/(m²·24 h·bar)], 25.4 µm (1 mil) film; b.o. ISO 2556
Linear Mold Shrinkage, Flow	0.0065 cm/cm	60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse	0.0065 cm/cm	60x60x2 mm; 500 bar; ISO 75-1,-2
Melt Flow	37 g/10 min @Load 1.20 kg, Temperature 300 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Puncture Resistance	4900 N @Temperature 23.0 °C	ISO 6603-2
	5900 N @Temperature -30.0 °C	ISO 6603-2
Ball Indentation Hardness	116 MPa	ISO 2039-1
Tensile Strength at Break	60.0 MPa	50 mm/min; ISO 527-1/2
Tensile Strength, Yield	65.0 MPa	50 mm/min; ISO 527-1/2
Elongation at Break	>= 50 %	Nominal, 50 mm/min; ISO 527-1/2
	120 %	50 mm/min; ISO 527-1/2
Elongation at Yield	6.0 %	50 mm/min; ISO 527-1/2
Tensile Modulus	2.40 GPa	50 mm/min; ISO 527-1/2
Flexural Strength	98.0 MPa	2 mm/min; ISO 178
Flexural Yield Strength	74.0 MPa @Strain 3.5 %	2 mm/min; ISO 178
Flexural Modulus	2.35 GPa	2 mm/min; ISO 178
Flexural Strain at Yield	7.0 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	12.0 kJ/m² @Temperature -30.0 °C	3 mm, Complete break; ISO 7391/b.o. ISO 180-A
	55.0 kJ/m² @Temperature 23.0 °C	3 mm, Partial beak; ISO 7391/b.o. ISO 180-A
Charpy Impact Unnotched	NB @Temperature 23.0 °C	ISO 179-1eU
	NB @Temperature -30.0 °C	ISO 179-1eU
	NB @Temperature -60.0 °C	ISO 179-1eU
Charpy Impact, Notched	1.20 J/cm² @Temperature -30.0 °C	3 mm, Complete break; ISO 7391/b.o. ISO 179-1eA
	5.50 J/cm² @Temperature 23.0 °C	3 mm, Partial beak; ISO 7391/b.o. ISO 179-1eA
Puncture Energy	55.0 J @Temperature 23.0 °C	ISO 6603-2
	60.0 J @Temperature -30.0 °C	ISO 6603-2
Tensile Creep Modulus, 1 hour	2100 MPa	ISO 899-1
Tensile Creep Modulus, 1000 hours	1700 MPa	ISO 899-1

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 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	1 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	ISO 8302
Hot Ball Pressure Test	135 °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)	123 °C	ISO 75-1,-2
Vicat Softening Point	143 °C	50 N, 50°C/hr; ISO 306
	145 °C @Load 5.10 kg	120°C/hr; ISO 306
Glass Transition Temp, Tg	144 °C	ISO 11357-1,-2
UL RTI, Electrical	125 °C @Thickness 1.50 mm	UL 746B
UL RTI, Mechanical with Impact	115 °C @Thickness 1.50 mm	UL 746B
UL RTI, Mechanical without Impact	125 °C @Thickness 1.50 mm	UL 746B
Flammability, UL94	HB @Thickness 2.90 mm
	V-2 @Thickness 0.750 mm
Flash Point	480 °C	ignition; ASTM D1929
	550 °C	self ignition; ASTM D1929
Oxygen Index	28 %	Method A; ISO 4589-2
Glow Wire Ignition Temperature	875 °C @Thickness 0.750 mm	IEC 60695-2-13
	875 °C @Thickness 1.00 mm	IEC 60695-2-13
	875 °C @Thickness 1.50 mm	IEC 60695-2-13
	875 °C @Thickness 3.00 mm	IEC 60695-2-13
Glow Wire Flammability Index	850 °C @Thickness 0.750 mm	IEC 60695-2-12
	875 °C @Thickness 1.50 mm	IEC 60695-2-12
	930 °C @Thickness 3.00 mm	IEC 60695-2-12
Shrinkage	0.0050 - 0.0070 %	b.o. ISO 2577

Optical Properties	Original Value	Comments
Refractive Index	1.586	ISO 489
Haze	<= 0.80 % @Thickness 3.00 mm	Procedure A; ISO 14782
Transmission, Visible	87 % @Thickness 4.00 mm	ISO 13468-2
	88 % @Thickness 3.00 mm	ISO 13468-2
	89 % @Thickness 25.4 mm	ISO 13468-2
	89 % @Thickness 2.00 mm	ISO 13468-2

Processing Properties	Original Value	Comments
Melt Temperature	280 °C	Injection; ISO 294
Mold Temperature	80.0 °C	Injection; ISO 294
Injection Velocity	200 mm/sec	ISO 294

Descriptive Properties
Electrolutic corrosion	A1	IEC 60426
Needle flame test	10 s	Method K, 3 mm; IEC 60695-11-5
	120 s	Method F, 2 mm; IEC 60695-11-5
	120 s	Method F, 3 mm; IEC 60695-11-5
	5 s	Method K, 1.5 mm; IEC 60695-11-5
	5 s	Method K, 2 mm; IEC 60695-11-5
	60 s	Method F, 1.5 mm; IEC 60695-11-5

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