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Master Bond adhesives

Covestro Makrolon® 3208 Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes: MVR (300 °C/1.2 kg) 5.0 cm³/10 min; medical devices; suitable for ETO and steam sterilization at 121°C; biocompatible according to many ISO 10993-1 test requirements; high viscosity; injection molding - melt temperature 280 - 320 °C; available in transparent and opaque colors

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Key Words: PC
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 %50% RH; ISO 62
Water Absorption at Saturation 0.30 %0.30 %ISO 62
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/cm0.0070 in/in60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse 0.0075 cm/cm0.0075 in/in60x60x2 mm; 500 bar; ISO 294-4
Melt Flow 5.5 g/10 min
@Load 1.20 kg,
Temperature 300 °C		5.5 g/10 min
@Load 2.65 lb,
Temperature 572 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Puncture Resistance  5800 N
@Temperature 23.0 °C		1300 lb (f)
@Temperature 73.4 °F		ISO 6603-2
 6700 N
@Temperature -30.0 °C		1510 lb (f)
@Temperature -22.0 °F		ISO 6603-2
Ball Indentation Hardness 111 MPa16100 psiISO 2039-1
Tensile Strength at Break 75.0 MPa10900 psi50 mm/min; ISO 527-1/2
Tensile Strength, Yield 65.0 MPa9430 psi50 mm/min; ISO 527-1/2
Elongation at Break >= 50 %>= 50 %Nominal, 50 mm/min; ISO 527-1/2
 120 %120 %50 mm/min; ISO 527-1/2
Elongation at Yield 6.3 %6.3 %50 mm/min; ISO 527-1/2
Tensile Modulus 2.35 GPa341 ksi1 mm/min; ISO 527-1/2
Flexural Strength 95.0 MPa13800 psi2 mm/min; ISO 178
Flexural Yield Strength 72.0 MPa
@Strain 3.5 %		10400 psi
@Strain 3.5 %		2 mm/min; ISO 178
Flexural Modulus 2.35 GPa341 ksi2 mm/min; ISO 178
Flexural Strain at Yield 7.2 %7.2 %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		complete break; ISO 7391/b.o. ISO 180-A
 75.0 kJ/m²
@Thickness 3.00 mm,
Temperature 23.0 °C		35.7 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F		partial break; ISO 7391/b.o. ISO 180-A
Charpy Impact Unnotched NBNBISO 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  1.80 J/cm²
@Thickness 3.00 mm,
Temperature -30.0 °C		8.57 ft-lb/in²
@Thickness 0.118 in,
Temperature -22.0 °F		complete break; ISO 7391/b.o. ISO 179-1eA
 8.00 J/cm²
@Thickness 3.00 mm,
Temperature 23.0 °C		38.1 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F		partial break; ISO 7391/b.o. ISO 179-1eA
Puncture Energy  65.0 J
@Temperature 23.0 °C		47.9 ft-lb
@Temperature 73.4 °F		ISO 6603-2
 75.0 J
@Temperature -30.0 °C		55.3 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
 
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 141 °C286 °FIEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 142 °C288 °FISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 130 °C266 °FISO 75-1,-2
Vicat Softening Point 150 °C302 °F50 N, 50°C/h; ISO 306
 151 °C304 °F50 N, 120°C/h; ISO 306
Glass Transition Temp, Tg 150 °C302 °F
Flash Point 480 °C896 °Fignition; ASTM D1929
 550 °C1020 °Fself ignition; ASTM D1929
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.5871.587ISO 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
 89 %
@Thickness 1.00 mm		89 %
@Thickness 0.0394 in		ISO 13468-2
 89 %
@Thickness 2.00 mm		89 %
@Thickness 0.0787 in		ISO 13468-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 310 °C590 °FInjection; ISO 294
Mold Temperature 90.0 °C194 °FInjection; ISO 294
Injection Velocity 200 mm/sec7.87 in/secISO 294

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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