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Products

Makrolon? LED2247

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

Makrolon? LED2247

Polycarbonate
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


Products are widely used in plastic modification, automotive, construction, electrical and electronic, industrial, daily necessities and other fields


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