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Covestro Makrolon® Rx2635 Polycarbonate

Category Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Molded
Manufacturer Covestro
Trade Name Makrolon®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Covestro Makrolon® Rx2635 Polycarbonate.pdf
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Material Notes:
Main characteristics:• High toughness• Good heat resistance• Glass-like transparency, optical quality• High dimensional accuracy and stabilityGrade characteristics:• Medical devices• Medium viscosity, easy release• Biocompatible ISO 10993-1As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Physical Properties Metric English Comments
Bulk Density 0.660 g/cc
0.0238 lb/in³
pellets; ISO 60
Density 1.20 g/cc
0.0434 lb/in³
ISO 1183-1
Moisture Absorption at Equilibrium 0.12 %
0.12 %
ISO 62, 50% RH
Water Absorption at Saturation 0.30 %
0.30 %
ISO 62
Melt Flow 13 g/10 min

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

@Load 2.65 lb,
Temperature 572 °F
ISO 1133
Mechanical Properties Metric English Comments
Puncture Resistance 5300 N

@Temperature 23.0 °C
1190 lb (f)

@Temperature 73.4 °F
ISO 6603-2
Tensile Strength at Break 75.0 MPa
10900 psi
50 mm/min; ISO 527-1,-2
Tensile Strength, Yield 67.0 MPa
9720 psi
50 mm/min; ISO 527-1,-2
Elongation at Break >= 50 %
>= 50 %
Nominal, 50 mm/min; ISO 527-1,-2
130 %
130 %
50 mm/min; b.o. ISO 527-1,-2
Elongation at Yield 6.1 %
6.1 %
50 mm/min; ISO 527-1,-2
Tensile Modulus 2.40 GPa
348 ksi
1 mm/min; ISO 527-1,-2
Izod Impact, Notched (ISO) 85.0 kJ/m²

@Thickness 3.20 mm,
Temperature 23.0 °C
40.4 ft-lb/in²

@Thickness 0.126 in,
Temperature 73.4 °F
partial break; b.o. ISO 180-A
Charpy Impact Unnotched NB

@Temperature 23.0 °C
NB

@Temperature 73.4 °F
ISO 179-1eU
NB

@Temperature -30.0 °C
NB

@Temperature -22.0 °F
ISO 179-1eU
NB

@Temperature -60.0 °C
NB

@Temperature -76.0 °F
ISO 179-1eU
Puncture Energy 60.0 J

@Temperature 23.0 °C
44.3 ft-lb

@Temperature 73.4 °F
ISO 6603-2
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 65.0 µm/m-°C

@Temperature 23.0 - 55.0 °C
36.1 µin/in-°F

@Temperature 73.4 - 131 °F
ISO 11359-1,-2
CTE, linear, Transverse to Flow 65.0 µm/m-°C

@Temperature 23.0 - 55.0 °C
36.1 µin/in-°F

@Temperature 73.4 - 131 °F
ISO 11359-1,-2
Deflection Temperature at 0.46 MPa (66 psi) 133 °C
271 °F
ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 121 °C
250 °F
ISO 75-1,-2
Vicat Softening Point 143 °C

@Load 5.10 kg
289 °F

@Load 11.2 lb
50°C/h; ISO 306
Flash Point 480 °C
896 °F
ASTM D 1929
550 °C
1020 °F
self ignition; ASTM D 1929
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+16 ohm-cm
1.00e+16 ohm-cm
IEC 60093
Surface Resistance 1.00e+16 ohm
1.00e+16 ohm
IEC 60093
Processing Properties Metric English Comments
Melt Temperature 290 °C
554 °F
Injection molding; ISO 294
Mold Temperature 80.0 °C
176 °F
Injection molding; ISO 294
Injection Velocity 200 mm/sec
7.87 in/sec
ISO 294
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