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Ensinger PEI

Covestro Makrolon® ET3127 Polycarbonate  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Extruded; Polycarbonate, UV Stabilized
Material Notes: MVR (300 °C/1.2 kg) 6.0 cm³/10 min; Extrusion; high viscosity; branched; UV stabilized; easy release; available in color code 550111only; 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 0.0060 - 0.0080 cm/cm0.0060 - 0.0080 in/inparallel/normal; b.o. ISO 2577
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 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
Puncture Resistance  5500 N
@Temperature 23.0 °C		1240 lb (f)
@Temperature 73.4 °F		ISO 6603-2
 6400 N
@Temperature -30.0 °C		1440 lb (f)
@Temperature -22.0 °F		ISO 6603-2
Ball Indentation Hardness 115 MPa16700 psiISO 2039-1
Tensile Strength at Break 65.0 MPa9430 psi50 mm/min; ISO 527-1,-2
Tensile Strength, Yield 67.0 MPa9720 psi50 mm/min; ISO 527-1,-2
Elongation at Break >= 50 %>= 50 %Nominal, 50 mm/min; ISO 527-1,-2
 110 %110 %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
Flexural Strain at Yield 7.2 %7.2 %2 mm/min; ISO 178
Izod Impact, Notched (ISO)  15.0 kJ/m²
@Thickness 3.20 mm,
Temperature -30.0 °C		7.14 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  1.40 J/cm²
@Thickness 3.00 mm,
Temperature -30.0 °C		6.66 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+16 ohm-cm1.00e+16 ohm-cmIEC 60093
Surface Resistance 1.00e+14 ohm1.00e+14 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
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 136 °C277 °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  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 1.00 mm		176 °F
@Thickness 0.0394 in		UL 746B
UL RTI, Mechanical with Impact 80.0 °C
@Thickness 1.00 mm		176 °F
@Thickness 0.0394 in		UL 746B
UL RTI, Mechanical without Impact 80.0 °C
@Thickness 1.00 mm		176 °F
@Thickness 0.0394 in		UL 746B
Flammability, UL94 HB
@Thickness 0.750 mm		HB
@Thickness 0.0295 in
Flash Point 480 °C896 °FASTM D 1929
 560 °C1040 °Fself ignition; ASTM D 1929
Oxygen Index 28 %28 %Method A; ISO 4589-2
Glow Wire Ignition Temperature  875 °C
@Thickness 0.750 mm		1610 °F
@Thickness 0.0295 in		IEC 60695-2-13
 875 °C
@Thickness 1.50 mm		1610 °F
@Thickness 0.0591 in		IEC 60695-2-13
 900 °C
@Thickness 3.00 mm		1650 °F
@Thickness 0.118 in		IEC 60695-2-13
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 300 °C572 °FInjection molding; ISO 294
Mold Temperature 80.0 °C176 °FInjection molding; ISO 294
Injection Velocity 200 mm/sec7.87 in/secISO 294
 
Descriptive Properties
Electrolytic CorrosionA1IEC 60426
Needle flame test10 sMethod K, 3 mm; IEC 60695-11-5
 120 sMethod F, 2 mm; IEC 60695-11-5
 120 sMethod F, 3 mm; IEC 60695-11-5
 5 sMethod K, 1.5 mm; IEC 60695-11-5
 5 sMethod K, 2 mm; IEC 60695-11-5
 60 sMethod F, 1.5 mm; IEC 60695-11-5

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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