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Makrolon? LED2643

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon LED2643
Product Quantity: 25KG / BAG
Product Features: High Clarity，Medium Viscosity

Product information

Makrolon? LED2643

Polycarbonate

Covestro - Polycarbonates

Product Description:

MVR (300 °C/1.2 kg) 13 cm3/10 min; LED Lighting, optics and lenses; PC with highest transmission; medium viscosity; UV stabilized; injection molding - melt temperature 280 - 320 °C; available in color code 551053 only

Additive	UV Stabilizer
Features	High Clarity，Medium Viscosity
Uses	LEDs，Lenses，Lighting Applications，Optical Applications
RoHS Compliance	RoHS Compliant
Processing Method	Injection Molding

Physical	Nominal Value	Unit	Test Method
Density (73°F)	1.20	g/cm3	ISO 1183
Apparent (Bulk) Density 3	0.66	g/cm3	ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)	13	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)	0.793	in3/10min	ISO 1133
Molding Shrinkage
Across Flow	0.60 to 0.80	%	ISO 2577
Flow	0.60 to 0.80	%	ISO 2577
Across Flow : 0.0787 in 4	0.75	%	ISO 294-4
Flow : 0.0787 in 4	0.70	%	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	9430	psi
Break, 73°F	10200	psi
Tensile Strain			ISO 527-2/50
Yield, 73°F	6.3	%
Break, 73°F	130	%
Nominal Tensile Strain at Break (73°F)	> 50	%	ISO 527-2/50
Flexural Modulus 5 (73°F)	341000	psi	ISO 178
Flexural Stress 5			ISO 178
73°F	13900	psi
3.5% Strain, 73°F	10400	psi
Flexural Strain at Flexural Strength 6 (73°F)	7.0	%	ISO 178
Films	Nominal Value	Unit	Test Method
Gas Permeation			ISO 2556
Carbon Dioxide : 73°F, 3.9 mil	3800	cm3/m2/bar/24 hr
Nitrogen : 73°F, 3.9 mil	120	cm3/m2/bar/24 hr
Oxygen : 73°F, 3.9 mil	670	cm3/m2/bar/24 hr
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength 7			ISO 7391
-22°F, Complete Break	6.7	ft·lb/in2
73°F, Partial Break	33	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 8			ISO 7391
-22°F, Complete Break	7.1	ft·lb/in2
73°F, Partial Break	31	ft·lb/in2
Multi-Axial Instrumented Impact Energy			ISO 6603-2
-22°F	47.9	ft·lb
73°F	44.3	ft·lb
Multi-Axial Instrumented Impact Peak Force			ISO 6603-2
-22°F	1420	lbf
73°F	1210	lbf

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	280	°F	ISO 75-2/B
264 psi, Unannealed	259	°F	ISO 75-2/A
Glass Transition Temperature 9	295	°F	ISO 11357-2
Vicat Softening Temperature
--	293	°F	ISO 306/B50
--	295	°F	ISO 306/B120
Ball Pressure Test (280°F)	Pass		IEC 60695-10-2
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 10 (73°F)	1.4	Btu·in/hr/ft2/°F	ISO 8302
RTI Elec (0.06 in)	257	°F	UL 746
RTI Imp (0.06 in)	239	°F	UL 746
RTI Str (0.06 in)	257	°F	UL 746

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Makrolon? LED2643

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