Covestro Makrolon® 6267 Polycarbonate, Flame Retardant Grade

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Covestro Makrolon® 6267 Polycarbonate, Flame Retardant Grade (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes:	ISO 7391-PC,MFLR,(,,)-18-9 Formerly Makrolon DP1-1872 MVR (300 °C/1.2 kg) 19 cm³/10 min Flame retardant UL 94V-0/1.5 mm Low viscosity UV stabilized Easy release Injection molding - Melt temperature 280 - 320 °C Available in opaque colors only 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

Density	1.20 g/cc	ISO 1183
Melt Density	1.02 g/cc @Temperature 280 °C
Water Absorption	0.30 %	Similar to ISO 62
Moisture Absorption at Equilibrium	0.12 %	Similar to ISO 62
Linear Mold Shrinkage, Flow	0.0070 cm/cm	ISO 294-4,2577
Linear Mold Shrinkage, Transverse	0.0070 cm/cm	ISO 294-4,2577
Melt Flow	19 g/10 min @Load 1.20 kg, Temperature 300 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	67.0 MPa	ISO 527-1/-2
Elongation at Break	>= 50 %	Nominal; ISO 527-1/-2
Elongation at Yield	6.0 %	ISO 527-1/-2
Tensile Modulus	2450 MPa	ISO 527-1/-2
Charpy Impact Unnotched	NB	ISO 179/1eU
	NB @Temperature -30.0 °C	ISO 179/1eU
Impact	5000	Puncture - maximum force (N); ISO 6603-2
	5900 @Temperature -30.0 °C	Puncture - maximum force (N); ISO 6603-2
Puncture Energy	50.0 J	ISO 6603-2
	55.0 J @Temperature -30.0 °C	ISO 6603-2

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+13 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+15 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	IEC 60243-1
Dissipation Factor	0.00080 @Frequency 100 Hz	IEC 60250
	0.0090 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	225 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	65.0 µm/m-°C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	65.0 µm/m-°C	ISO 11359-1/-2
Specific Heat Capacity	1.70 J/g-°C	Melt
Thermal Conductivity	0.173 W/m-K	Melt
Deflection Temperature at 0.46 MPa (66 psi)	134 °C	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	122 °C	ISO 75-1/-2
Vicat Softening Point	144 °C	50°C/h 50N; ISO 306
Flammability, UL94	V-0 @Thickness 1.50 mm	IEC 60695-11-10
	V-0 @Thickness 3.00 mm	IEC 60695-11-10
Oxygen Index	35 %	ISO 4589-1/-2

Processing Properties	Original Value	Comments
Melt Temperature	280 °C	Injection Molding; ISO 294
	280 - 320 °C
Mold Temperature	80.0 °C	Injection Molding; ISO 10724
	80.0 - 120 °C
	80.0 - 120 °C
Ejection Temperature	130 °C
Injection Velocity	200 mm/sec	ISO 294
Drying Temperature	120 °C
Dry Time	2.00 - 3.00 hour	Dry air dryer
	2.00 - 4.00 hour	Fresh air dryer (high speed dryer)
	4.00 - 12.0 hour	Circulating air drying oven (50 % fresh air)
Moisture Content	<= 0.020 %

Descriptive Properties
Availability	Asia Pacific
	Europe
	India
	Near East/Africa
	North America
	South and Central America
Eff. thermal diffusivity (m²/s)	1E-07
Feature	Light stabilized or stable to light
	Release agent
	U.V. stabilized or stable to weather
Form	Pellets
Process	Injection Molding
UL recognition	UL\l1.5\n
	UL\lh\n

**
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PB09926 / 92766

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