Songhan Plastic Technology Co.,Ltd.
 POLYMER SEARCH

Covestro Makrolon® 2556 Polycarbonate

Category Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Molded
Manufacturer Covestro
Trade Name Makrolon®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Covestro Makrolon® 2556 Polycarbonate.pdf
Price EMAIL US    sales@lookpolymers.com
  Online Service   lookpolymers   27660005
Material Notes:
MVR (300 °C/1.2 kg) 14 cm3/10 minEasy releaseGood hydrolysis resistanceInjection moldingAvailable in transparentTranslucent and opaque colorsFood contact gradePreprocessingMax. Water content
Physical Properties Metric English Comments
Density 1.20 g/cc
0.0434 lb/in³
ISO 1183
Water Absorption 0.30 %
0.30 %
Similar to ISO 62
Moisture Absorption at Equilibrium 0.12 %
0.12 %
Similar to ISO 62
Linear Mold Shrinkage, Flow 0.0070 cm/cm
0.0070 in/in
ISO 294-4,2577
Linear Mold Shrinkage, Transverse 0.0070 cm/cm
0.0070 in/in
ISO 294-4,2577
Melt Flow 17 g/10 min

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

@Load 2.65 lb,
Temperature 572 °F
estimated from MVR using room temperature density; ISO 1133
Mechanical Properties Metric English Comments
Tensile Strength, Yield 66.0 MPa
9570 psi
ISO 527-1/-2
Elongation at Break >= 50 %
>= 50 %
Nominal; ISO 527-1/-2
Elongation at Yield 6.1 %
6.1 %
ISO 527-1/-2
Tensile Modulus 2.40 GPa
348 ksi
ISO 527-1/-2
Charpy Impact Unnotched NB
NB
ISO 179/1eU
NB

@Temperature -30.0 °C
NB

@Temperature -22.0 °F
ISO 179/1eU
Impact 5400
5400
Puncture - maximum force (N); ISO 6603-2
6300

@Temperature -30.0 °C
6300

@Temperature -22.0 °F
Puncture - maximum force (N); ISO 6603-2
Puncture Energy 60.0 J
44.3 ft-lb
ISO 6603-2
65.0 J

@Temperature -30.0 °C
47.9 ft-lb

@Temperature -22.0 °F
ISO 6603-2
Tensile Creep Modulus, 1 hour 2200 MPa
319000 psi
ISO 899-1
Tensile Creep Modulus, 1000 hours 1900 MPa
276000 psi
ISO 899-1
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 65.0 µm/m-°C
36.1 µin/in-°F
ISO 11359-1/-2
CTE, linear, Transverse to Flow 65.0 µm/m-°C
36.1 µin/in-°F
ISO 11359-1/-2
Deflection Temperature at 0.46 MPa (66 psi) 136 °C
277 °F
ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 124 °C
255 °F
ISO 75-1/-2
Vicat Softening Point 144 °C
291 °F
50°C/h 50N; ISO 306
Glass Transition Temp, Tg 145 °C
293 °F
ISO 11357-1/-2
Flammability, UL94 HB

@Thickness 2.50 mm
HB

@Thickness 0.0984 in
IEC 60695-11-10
V-2

@Thickness 1.50 mm
V-2

@Thickness 0.0591 in
IEC 60695-11-10
Oxygen Index 27 %
27 %
ISO 4589-1/-2
Optical Properties Metric English Comments
Transmission, Visible 89 %
89 %
ISO 13468-1, -2
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+13 ohm-cm
>= 1.00e+13 ohm-cm
IEC 60093
Surface Resistance >= 1.00e+15 ohm
>= 1.00e+15 ohm
IEC 60093
Dielectric Constant 3.0

@Frequency 1.00e+6 Hz
3.0

@Frequency 1.00e+6 Hz
IEC 60250
3.1

@Frequency 100 Hz
3.1

@Frequency 100 Hz
IEC 60250
Dielectric Strength 34.0 kV/mm
864 kV/in
IEC 60243-1
Dissipation Factor 0.00050

@Frequency 100 Hz
0.00050

@Frequency 100 Hz
IEC 60250
0.0090

@Frequency 1.00e+6 Hz
0.0090

@Frequency 1.00e+6 Hz
IEC 60250
Comparative Tracking Index 250 V
250 V
IEC 60112
Processing Properties Metric English Comments
Melt Temperature 290 °C
554 °F
Injection Molding; ISO 294
280 - 320 °C
536 - 608 °F
Mold Temperature 80.0 °C
176 °F
Injection Molding; ISO 10724
80.0 - 120 °C
176 - 248 °F
Injection Velocity 200 mm/sec
7.87 in/sec
ISO 294
Descriptive Properties Value Comments
Availability North America
Feature Release agent
Form Pellets
Process Injection Molding
Copyright © lookpolymers.com All Rights Reserved