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Makrolon? LED2247

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon
Product Quantity: 25KG / BAG
Product Features: Good Mold Release，High Clarity，Low Viscosity，UV Stabilized

Product information

Makrolon? LED2247

Polycarbonate

Covestro - Polycarbonates

Product Description:

MVR (300°C/1.2 kg) 35 cm3/10 min; low viscosity; high optical transmittance; UV stabilized; easy release; LED Lighting, optics and lenses; injection molding - melt temperature 280 - 320°C

Additive	UV Stabilizer
Features	Good Mold Release，High Clarity，Low Viscosity，UV Stabilized
Uses	LEDs，Lenses，Lighting Applications，Optical Applications
RoHS Compliance	RoHS Compliant
Processing Method	Injection Molding

Physical	Nominal Value	Unit	Test Method
Density (73°F)	1.19	g/cm3	ISO 1183
Apparent (Bulk) Density	0.66	g/cm3	ISO 60
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)	2.07	in3/10min	ISO 1133
Molding Shrinkage
Across Flow	0.50 to 0.70	%	ISO 2577
Flow	0.50 to 0.70	%	ISO 2577
Across Flow : 536°F, 0.0787 in 2	0.70	%	ISO 294-4
Flow : 0.0787 in 2	0.65	%	ISO 294-4
Water Absorption			ISO 62
Saturation, 73°F	0.30	%
Equilibrium, 73°F, 50% RH	0.12	%
Hardness	Nominal Value	Unit	Test Method
Ball Indentation Hardness	16700	psi	ISO 2039-1

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (73°F)	341000	psi	ISO 527-2/1
Tensile Stress			ISO 527-2/50
Yield, 73°F	9140	psi
Break, 73°F	8700	psi
Tensile Strain			ISO 527-2/50
Yield, 73°F	6.0	%
Break, 73°F	120	%
Nominal Tensile Strain at Break (73°F)	> 50	%	ISO 527-2/50
Flexural Modulus 3 (73°F)	341000	psi	ISO 178
Flexural Stress 3			ISO 178
73°F	14100	psi
3.5% Strain, 73°F	10600	psi
Flexural Strain at Flexural Strength 4 (73°F)	7.1	%	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength 5, 6			ISO 7391
-22°F, Complete Break	5.7	ft·lb/in2
73°F, Partial Break	26	ft·lb/in2
Charpy Unnotched Impact Strength			ISO 179/1eU
-76°F	No Break
-22°F	No Break
73°F	No Break
Notched Izod Impact Strength 7			ISO 180/A
-22°F, Complete Break	5.7	ft·lb/in2
73°F, Partial Break	31	ft·lb/in2
Multi-Axial Instrumented Impact Energy			ISO 6603-2
-22°F	44.3	ft·lb
73°F	40.6	ft·lb
Multi-Axial Instrumented Impact Peak Force			ISO 6603-2
-22°F	1330	lbf
73°F	1100	lbf

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	277	°F	ISO 75-2/B
264 psi, Unannealed	253	°F	ISO 75-2/A
Glass Transition Temperature 8	291	°F	ISO 11357-2
Vicat Softening Temperature
--	289	°F	ISO 306/B50
--	293	°F	ISO 306/B120
CLTE			ISO 11359-2
Flow : 73 to 131°F	3.6E-5	in/in/°F
Transverse : 73 to 131°F	3.6E-5	in/in/°F
Thermal Conductivity 9 (73°F)	1.4	Btu·in/hr/ft2/°F	ISO 8302

Electrical	Nominal Value	Unit	Test Method
Surface Resistivity	1.0E+16	ohms	IEC 60093
Volume Resistivity (73°F)	1.0E+16	ohms·cm	IEC 60093
Electric Strength (73°F, 0.0394 in)	860	V/mil	IEC 60243-1
Relative Permittivity			IEC 60250
73°F, 100 Hz	3.10
73°F, 1 MHz	3.00
Dissipation Factor			IEC 60250
73°F, 100 Hz	5.0E-4
73°F, 1 MHz	9.0E-3
Comparative Tracking Index			IEC 60112
Solution A	250	V
Solution B	125	V

Optical	Nominal Value	Unit	Test Method
Refractive Index 10	1.584		ISO 489
Transmittance			ISO 13468-2
39.4 mil	90.0	%
78.7 mil	90.0	%
118 mil	89.0	%
157 mil	89.0	%
Haze (118 mil)	< 0.50	%	ISO 14782

Additional Information	Nominal Value		Test Method
ISO Shortname	PC,MRT,(,,)-24-9		ISO 7391

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Makrolon? LED2247

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