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Elmet Technologies

Covestro Makrolon® ET3227 Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Extruded; Polycarbonate, UV Stabilized

Material Notes: MVR (300 °C/1.2 kg) 3.0 cm³/10 min; Extrusion; high viscosity; branched; UV stabilized; easy release; multi wall sheets / profiles

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Bulk Density 0.660 g/cc0.0238 lb/in³pellets; ISO 60
Density 1.20 g/cc0.0434 lb/in³ISO 1183-1
Moisture Absorption at Equilibrium 0.12 %0.12 %ISO 62, 50% RH
Water Absorption at Saturation 0.30 %0.30 %ISO 62
Water Vapor Transmission 15.0 g/m²/day
@Thickness 0.100 mm
0.966 g/100 in²/day
@Thickness 0.00394 in
85% RH, film; ISO 15106-1
Oxygen Transmission  65.0 cc-mm/m²-24hr-atm
@Thickness 0.100 mm
165 cc-mil/100 in²-24hr-atm
@Thickness 0.00394 in
650 cc/m²-24hr-bar; film; b.o. ISO 2556
 70.0 cc-mm/m²-24hr-atm
@Thickness 0.0254 mm
178 cc-mil/100 in²-24hr-atm
@Thickness 0.00100 in
2760 cc/m²-24hr-bar; film; b.o. ISO 2556
Nitrogen Transmission  12.0 cc-mm/m²-24hr-atm
@Thickness 0.100 mm
30.5 cc-mil/100 in²-24hr-atm
@Thickness 0.00394 in
120 cc/m²-24hr-bar; film; b.o. ISO 2556
 13.0 cc-mm/m²-24hr-atm
@Thickness 0.0254 mm
33.0 cc-mil/100 in²-24hr-atm
@Thickness 0.00100 in
510 cc/m²-24hr-bar; film; b.o. ISO 2556
Carbon Dioxide Transmission  380 cc-mm/m²-24hr-atm
@Thickness 0.100 mm
965 cc-mil/100 in²-24hr-atm
@Thickness 0.00394 in
3800 cc/m²-24hr-bar; film; b.o. ISO 2556
 429 cc-mm/m²-24hr-atm
@Thickness 0.0254 mm
1090 cc-mil/100 in²-24hr-atm
@Thickness 0.00100 in
16900 cc/m²-24hr-bar; film; b.o. ISO 2556
Linear Mold Shrinkage, Flow 0.0070 cm/cm
@Thickness 2.00 mm
0.0070 in/in
@Thickness 0.0787 in
60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse 0.0075 cm/cm
@Thickness 2.00 mm
0.0075 in/in
@Thickness 0.0787 in
60x60x2 mm; 500 bar; ISO 294-4
Melt Flow 3.0 g/10 min
@Load 1.20 kg,
Temperature 300 °C
3.0 g/10 min
@Load 2.65 lb,
Temperature 572 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Puncture Resistance  5600 N
@Temperature 23.0 °C
1260 lb (f)
@Temperature 73.4 °F
ISO 6603-2
 6500 N
@Temperature -30.0 °C
1460 lb (f)
@Temperature -22.0 °F
ISO 6603-2
Ball Indentation Hardness 113 MPa16400 psiISO 2039-1
Tensile Strength at Break 65.0 MPa9430 psi50 mm/min; ISO 527-1,-2
Tensile Strength, Yield 66.0 MPa9570 psi50 mm/min; ISO 527-1,-2
Elongation at Break >= 50 %>= 50 %Nominal, 50 mm/min; ISO 527-1,-2
 100 %100 %50 mm/min; b.o. ISO 527-1,-2
Elongation at Yield 6.2 %6.2 %50 mm/min; ISO 527-1,-2
Tensile Modulus 2.40 GPa348 ksi1 mm/min; ISO 527-1,-2
Flexural Strength 100 MPa14500 psi2 mm/min; ISO 178
Flexural Yield Strength 74.0 MPa
@Strain 3.5 %
10700 psi
@Strain 3.5 %
2 mm/min; ISO 178
Flexural Modulus 2.40 GPa348 ksi2 mm/min; ISO 178
Izod Impact, Notched (ISO)  20.0 kJ/m²
@Thickness 3.20 mm,
Temperature -30.0 °C
9.52 ft-lb/in²
@Thickness 0.126 in,
Temperature -22.0 °F
complete break; b.o. ISO 180-A
 65.0 kJ/m²
@Thickness 3.20 mm,
Temperature 23.0 °C
30.9 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
Charpy Impact, Notched  1.60 J/cm²
@Thickness 3.00 mm,
Temperature -30.0 °C
7.61 ft-lb/in²
@Thickness 0.118 in,
Temperature -22.0 °F
complete break; ISO 7391/b.o. ISO 179-1eA
 7.00 J/cm²
@Thickness 3.00 mm,
Temperature 23.0 °C
33.3 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F
partial break; ISO 7391/b.o. ISO 179-1eA
Puncture Energy  60.0 J
@Temperature 23.0 °C
44.3 ft-lb
@Temperature 73.4 °F
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 MPa319000 psiISO 899-1
Tensile Creep Modulus, 1000 hours 1900 MPa276000 psiISO 899-1
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+14 ohm-cm1.00e+14 ohm-cmIEC 60093
Surface Resistance 1.00e+16 ohm1.00e+16 ohmIEC 60093
Dielectric Constant  3.0
@Frequency 1e+6 Hz
3.0
@Frequency 1e+6 Hz
IEC 60250
 3.1
@Frequency 100 Hz
3.1
@Frequency 100 Hz
IEC 60250
Dielectric Strength 36.0 kV/mm
@Thickness 1.00 mm
914 kV/in
@Thickness 0.0394 in
IEC 60243-1
Dissipation Factor  0.00080
@Frequency 100 Hz
0.00080
@Frequency 100 Hz
IEC 60250
 0.0095
@Frequency 1e+6 Hz
0.0095
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index 100 V100 VCTI M; Solution B; IEC 60112
 250 V250 VSolution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
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
Thermal Conductivity 0.200 W/m-K1.39 BTU-in/hr-ft²-°Fcross-flow; ISO 8302
Hot Ball Pressure Test 139 °C282 °FIEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 140 °C284 °FISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 128 °C262 °FISO 75-1,-2
Vicat Softening Point  146 °C
@Load 5.10 kg
295 °F
@Load 11.2 lb
50°C/h; ISO 306
 147 °C
@Load 5.10 kg
297 °F
@Load 11.2 lb
120°C/h; ISO 306
Glass Transition Temp, Tg 146 °C295 °F10°C/min; ISO 11357-1,-2
UL RTI, Electrical 125 °C
@Thickness 1.00 mm
257 °F
@Thickness 0.0394 in
UL 746B
UL RTI, Mechanical with Impact 115 °C
@Thickness 1.00 mm
239 °F
@Thickness 0.0394 in
UL 746B
UL RTI, Mechanical without Impact 125 °C
@Thickness 1.00 mm
257 °F
@Thickness 0.0394 in
UL 746B
Flammability, UL94  HB
@Thickness 1.50 mm
HB
@Thickness 0.0591 in
 HB
@Thickness 3.00 mm
HB
@Thickness 0.118 in
 HB
@Thickness 6.00 mm
HB
@Thickness 0.236 in
Flash Point 480 °C896 °FASTM D 1929
 550 °C1020 °Fself ignition; ASTM D 1929
Oxygen Index 28 %28 %Method A; ISO 4589-2
Glow Wire Flammability Index  875 °C
@Thickness 0.750 mm
1610 °F
@Thickness 0.0295 in
IEC 60695-2-12
 875 °C
@Thickness 1.50 mm
1610 °F
@Thickness 0.0591 in
IEC 60695-2-12
 960 °C
@Thickness 3.00 mm
1760 °F
@Thickness 0.118 in
IEC 60695-2-12
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.5861.586Procedure A; ISO 489
Haze <= 0.80 %
@Thickness 3.00 mm
<= 0.80 %
@Thickness 0.118 in
ISO 14782
Transmission, Visible  87 %
@Thickness 4.00 mm
87 %
@Thickness 0.157 in
ISO 13468-2
 88 %
@Thickness 3.00 mm
88 %
@Thickness 0.118 in
ISO 13468-2
 88 %
@Thickness 2.00 mm
88 %
@Thickness 0.0787 in
ISO 13468-2
 89 %
@Thickness 1.00 mm
89 %
@Thickness 0.0394 in
ISO 13468-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 310 °C590 °FInjection molding; ISO 294
Mold Temperature 90.0 °C194 °FInjection molding; ISO 294
Injection Velocity 200 mm/sec7.87 in/secISO 294
 
Descriptive Properties
Electrolytic CorrosionA1IEC 60426

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