Songhan Plastic Technology Co.,Ltd.
 POLYMER SEARCH

Covestro Makrolon® LQ-2847 Polycarbonate, Lens Quality Optical, Mold Release, UV Stabilized  (discontinued **)

Category Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Optical Grade
Manufacturer
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Covestro Makrolon® LQ-2847 Polycarbonate, Lens Quality Optical, Mold Release, UV Stabilized  (discontinued **).pdf
Price EMAIL US    sales@lookpolymers.com
  Online Service   lookpolymers   27660005
Material Notes:
Information provided by Bayer Corporation, Plastics DivisionAs of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and has officially adopted its new name – Covestro. This product was discontinued prior to the separation.
Physical Properties Metric English Comments
Density 1.20 g/cc
0.0434 lb/in³
ASTM D792
Water Absorption 0.15 %
0.15 %
24 hour immersion; ASTM D570
Water Absorption at Saturation 0.35 %
0.35 %
Equilibrium Immersion; ASTM D570
Linear Mold Shrinkage 0.0060 - 0.0080 cm/cm
0.0060 - 0.0080 in/in
ASTM D955
Melt Flow 11 g/10 min

@Load 1.20 kg,
Temperature 300 °C
11 g/10 min

@Load 2.65 lb,
Temperature 572 °F
ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Rockwell R 120
120
ASTM D785
Tensile Strength, Ultimate 72.0 MPa
10400 psi
ASTM D638
Tensile Strength, Yield 63.0 MPa
9140 psi
ASTM D638
Elongation at Break 120 %
120 %
ASTM D638
Elongation at Yield 6.0 %
6.0 %
ASTM D638
Tensile Modulus 2.40 GPa
348 ksi
ASTM D638
Flexural Yield Strength 86.0 MPa
12500 psi
at 5% strain; ASTM D790
Flexural Modulus 2.28 GPa
331 ksi
ASTM D790
Izod Impact, Notched 8.50 J/cm

@Thickness 3.17 mm
15.9 ft-lb/in

@Thickness 0.125 in
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 70.0 µm/m-°C

@Temperature 20.0 °C
38.9 µin/in-°F

@Temperature 68.0 °F
ASTM D696
Specific Heat Capacity 1.20 J/g-°C
0.287 BTU/lb-°F
ASTM D2766
Thermal Conductivity 0.200 W/m-K
1.39 BTU-in/hr-ft²-°F
ASTM C177
Deflection Temperature at 0.46 MPa (66 psi) 136 °C
277 °F
Unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 129 °C
264 °F
Unannealed; ASTM D648
Vicat Softening Point 157 °C
315 °F
Rate A; ASTM D1525
UL RTI, Electrical 125 °C

@Thickness 1.50 mm
257 °F

@Thickness 0.0591 in
UL RTI, Mechanical with Impact 115 °C

@Thickness 1.50 mm
239 °F

@Thickness 0.0591 in
UL RTI, Mechanical without Impact 125 °C

@Thickness 1.50 mm
257 °F

@Thickness 0.0591 in
Flammability, UL94 V-2

@Thickness 1.50 mm
V-2

@Thickness 0.0591 in
V-2

@Thickness 1.50 mm
V-2

@Thickness 0.0591 in
Oxygen Index 26 %
26 %
ASTM D2863
Optical Properties Metric English Comments
Refractive Index 1.586
1.586
ASTM D542
Haze 1.0 %

@Thickness 3.17 mm
1.0 %

@Thickness 0.125 in
ASTM D1003
Transmission, Visible 89 %

@Thickness 3.20 mm
89 %

@Thickness 0.126 in
ASTM D1003
Electrical Properties Metric English Comments
Electrical Resistivity 1.00e+16 ohm-cm
1.00e+16 ohm-cm
ASTM D257
Surface Resistance 1.00e+15 ohm
1.00e+15 ohm
ASTM D257
Dielectric Constant 2.9

@Frequency 1e+6 Hz
2.9

@Frequency 1e+6 Hz
ASTM D150
3.0

@Frequency 60 Hz
3.0

@Frequency 60 Hz
ASTM D150
Dielectric Strength 30.0 kV/mm

@Thickness 1.60 mm
762 kV/in

@Thickness 0.0630 in
ASTM D149
Dissipation Factor 0.00090

@Frequency 60 Hz
0.00090

@Frequency 60 Hz
ASTM D150
0.010

@Frequency 1e+6 Hz
0.010

@Frequency 1e+6 Hz
ASTM D150
Arc Resistance 30.0 - 90.0 sec
30.0 - 90.0 sec
Tungsten Electrodes; ASTM D495
Copyright © lookpolymers.com All Rights Reserved