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Elmet Technologies

Covestro Makrolon® ET 3137 Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes: Extrusion; high viscosity; branched; UV stabilized; easy release; multi wall sheets / profiles; panels

Mechanical property data for samples at 50% RH.

Information provided by Covestro.
Key Words: ET3137
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/cc
@Temperature 23.0 °C		0.0238 lb/in³
@Temperature 73.4 °F		pellets; ISO 60
Density 1.20 g/cc0.0434 lb/in³ISO 1183-1
Moisture Absorption at Equilibrium 0.12 %
@Temperature 23.0 °C		0.12 %
@Temperature 73.4 °F		ISO 62
Water Absorption at Saturation 0.30 %
@Temperature 23.0 °C		0.30 %
@Temperature 73.4 °F		ISO 62
Water Vapor Transmission 15.0 g/m²/day
@Temperature 23.0 °C		0.966 g/100 in²/day
@Temperature 73.4 °F		85% RH, 100µm 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		ISO 2556
 70.0 cc-mm/m²-24hr-atm
@Thickness 0.0254 mm		178 cc-mil/100 in²-24hr-atm
@Thickness 0.00100 in		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		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		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		ISO 2556
 430 cc-mm/m²-24hr-atm
@Thickness 0.0254 mm		1090 cc-mil/100 in²-24hr-atm
@Thickness 0.00100 in		ISO 2556
Linear Mold Shrinkage 0.0075 cm/cm
@Pressure 50.0 MPa		0.0075 in/in
@Pressure 7250 psi		60x60x2 mm; ISO 294-4
Linear Mold Shrinkage, Flow 0.0070 cm/cm
@Pressure 50.0 MPa		0.0070 in/in
@Pressure 7250 psi		60x60x2 mm; ISO 294-4
Melt Flow 7.0 g/10 min
@Load 1.20 kg,
Temperature 300 °C		7.0 g/10 min
@Load 2.65 lb,
Temperature 572 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Ball Indentation Hardness 115 MPa
@Temperature 23.0 °C		16700 psi
@Temperature 73.4 °F		ISO 2039-1
Tensile Strength at Break 70.0 MPa10200 psi50mm/min; ISO 527-1,-2
Tensile Strength, Yield 66.0 MPa9570 psi50mm/min; ISO 527-1,-2
Elongation at Break >= 50 %>= 50 %50mm/min, complete break; ISO 524-1,-2
 125 %125 %50mm/min, complete break; ISO 524-1,-2
Elongation at Yield 6.3 %6.3 %50mm/min; ISO 527-1,-2
Tensile Modulus 2.40 GPa
@Temperature 23.0 °C		348 ksi
@Temperature 73.4 °F		1mm/min, complete break; ISO 527-1,-2
Flexural Strength 100 MPa14500 psi2mm/min; ISO 178
 74.0 MPa
@Strain 3.5 %		10700 psi
@Strain 3.5 %		2mm/min; ISO 178
Flexural Modulus 2.40 GPa
@Temperature 23.0 °C		348 ksi
@Temperature 73.4 °F		2mm/min; ISO 178
Flexural Strain at Break 7.0 %7.0 %2 mm/min; ISO 178
Izod Impact, Notched (ISO)  20.0 kJ/m²
@Thickness 3.00 mm,
Temperature -30.0 °C		9.52 ft-lb/in²
@Thickness 0.118 in,
Temperature -22.0 °F		ISO 7391/b.o. ISO 180-A
 65.0 kJ/m²
@Thickness 3.00 mm,
Temperature 23.0 °C		30.9 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F		Partial Break; ISO 7391/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		ISO 7391/b.o.ISO 179-1eA
 7.80 J/cm²
@Thickness 3.00 mm,
Temperature 23.0 °C		37.1 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F		ISO 7391/b.o.ISO 179-1eA
Puncture Energy 60.0 J
@Temperature 23.0 °C		44.3 ft-lb
@Temperature 73.4 °F		complete break; ISO 6603-2
Tensile Creep Modulus, 1 hour 2200 MPa
@Temperature 23.0 °C		319000 psi
@Temperature 73.4 °F		ISO 899-1
Tensile Creep Modulus, 1000 hours 1900 MPa
@Temperature 23.0 °C		276000 psi
@Temperature 73.4 °F		ISO 899-1
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 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 34.0 kV/mm
@Thickness 1.00 mm		864 kV/in
@Thickness 0.0394 in		IEC 60243-1
 
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
Deflection Temperature at 0.46 MPa (66 psi) 138 °C280 °Fcomplete break; ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 125 °C257 °Fcomplete break; ISO 75-1,-2
Vicat Softening Point  145 °C
@Load 5.10 kg		293 °F
@Load 11.2 lb		@ 120°C/h; ISO 306
 146 °C
@Load 5.10 kg		295 °F
@Load 11.2 lb		@ 50°C/h; ISO 306
Glass Transition Temp, Tg 146 °C295 °F10°C/min; ISO 11357-1,-2
UL RTI, Electrical 80.0 °C
@Thickness 1.50 mm		176 °F
@Thickness 0.0591 in
UL RTI, Mechanical with Impact 80.0 °C
@Thickness 1.50 mm		176 °F
@Thickness 0.0591 in
UL RTI, Mechanical without Impact 80.0 °C
@Thickness 1.50 mm		176 °F
@Thickness 0.0591 in
Flammability, UL94 HB
@Thickness 1.50 mm		HB
@Thickness 0.0591 in		UL 94
Oxygen Index 28 %28 %Method A; ISO 4589-2
Glow Wire Flammability Index  875 °C
@Thickness 0.800 mm		1610 °F
@Thickness 0.0315 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 1.5861.586ISO 489 procedure A
Haze <= 0.80 %
@Thickness 3.00 mm		<= 0.80 %
@Thickness 0.118 in		for transparent material; ISO 14782
Transmission, Visible  87 %
@Thickness 4.00 mm		87 %
@Thickness 0.157 in		Luminous; ISO 13468-2
 88 %
@Thickness 2.00 mm		88 %
@Thickness 0.0787 in		Luminous; ISO 13468-2
 88 %
@Thickness 3.00 mm		88 %
@Thickness 0.118 in		Luminous; ISO 13468-2
 89 %
@Thickness 1.00 mm		89 %
@Thickness 0.0394 in		Luminous; ISO 13468-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 300 °C572 °Finjection molding; ISO 294
Mold Temperature 80.0 °C176 °Finjection molding; ISO 294
Injection Velocity 200 mm/sec7.87 in/secinjection molding; ISO 294
 
Descriptive Properties
Burning Rate (mm/min)passed, ISO 3795>=1.0mm, US_FMVSS
Electrolytic Corrosion (rating)A2, IEC 60426,23°C, 50%RH
Gas Permeation (cm3/m2*24h-bar)120b.o. ISO 2556, nitrogen; 100µm film, at 23ºC
 16900b.o. ISO 2556, carbon dioxide; 25.4µm film, at 23ºC
 2760b.o. ISO 2556, oxygen; 25.4µm film, at 23ºC
 3800b.o. ISO 2556, carbon dioxide; 100µm film, at 23ºC
 510b.o. ISO 2556, nitrogen; 25.4µm film, at 23ºC
 650b.o. ISO 2556, oxygen; 100µm film, at 23ºC
Puncture Maximum Force (N)5600ISO 6603-2, at 23°C, complete break

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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