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Master Bond adhesives

Covestro Makrolon® 8325 Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, 20% Glass Filled
Material Notes: MVR (300 °C/1.2 kg) 4.0 cm³/10 min; 20 % glass fiber reinforced; high viscosity; easy release; injection molding - melt temperature 310 - 330 °C; extrusion; available in opaque colors only

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 0.640 g/cc0.0231 lb/in³pellets; ISO 60
Density 1.34 g/cc0.0484 lb/in³ISO 1183-1
Moisture Absorption at Equilibrium 0.10 %0.10 %50% RH; ISO 62
Water Absorption at Saturation 0.24 %0.24 %ISO 62
 0.29 %0.29 %
Linear Mold Shrinkage 0.0030 - 0.0050 cm/cm0.0030 - 0.0050 in/inparallel/normal; b.o. ISO 2577
Linear Mold Shrinkage, Flow 0.0035 cm/cm0.0035 in/in60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse 0.0045 cm/cm0.0045 in/in60x60x2 mm; 500 bar; ISO 294-4
Melt Flow 5.0 g/10 min
@Load 1.20 kg,
Temperature 300 °C		5.0 g/10 min
@Load 2.65 lb,
Temperature 572 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Puncture Resistance  1000 N
@Temperature 23.0 °C		225 lb (f)
@Temperature 73.4 °F		ISO 6603-2
 1000 N
@Temperature -30.0 °C		225 lb (f)
@Temperature -22.0 °F		ISO 6603-2
Ball Indentation Hardness 144 MPa20900 psiISO 2039-1
Tensile Strength at Break 85.0 MPa12300 psi50 mm/min; ISO 527-1/2
Tensile Strength, Yield 99.0 MPa14400 psi50 mm/min; ISO 527-1/2
Elongation at Break 4.4 %4.4 %50 mm/min; ISO 527-1/2
Elongation at Yield 3.3 %3.3 %50 mm/min; ISO 527-1/2
Tensile Modulus 5.80 GPa841 ksi50 mm/min; ISO 527-1/2
Flexural Strength 150 MPa21800 psi2 mm/min; ISO 178
Flexural Yield Strength 145 MPa21000 psiat 3.5% strain, 2 mm/min; ISO 178
Flexural Modulus 5.30 GPa769 ksi2 mm/min; ISO 178
Izod Impact, Notched 1.00 J/cm
@Thickness 3.00 mm		1.87 ft-lb/in
@Thickness 0.118 in		complete break; ISO 7391/b.o. ISO 180-A
Charpy Impact Unnotched  6.00 J/cm²
@Temperature 23.0 °C		28.6 ft-lb/in²
@Temperature 73.4 °F		complete break; ISO 179-1eU
 6.50 J/cm²
@Temperature -30.0 °C		30.9 ft-lb/in²
@Temperature -22.0 °F		complete break; ISO 179-1eU
 6.50 J/cm²
@Temperature -60.0 °C		30.9 ft-lb/in²
@Temperature -76.0 °F		complete break; ISO 179-1eU
Charpy Impact, Notched 1.00 J/cm²
@Thickness 3.00 mm,
Temperature 23.0 °C		4.76 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F		complete break; ISO 7391/b.o. ISO 179-1eA
Puncture Energy  5.00 J
@Temperature 23.0 °C		3.69 ft-lb
@Temperature 73.4 °F		ISO 6603-2
 5.00 J
@Temperature -30.0 °C		3.69 ft-lb
@Temperature -22.0 °F		ISO 6603-2
 
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  3.3
@Frequency 100 Hz		3.3
@Frequency 100 Hz		IEC 60250
 3.3
@Frequency 1e+6 Hz		3.3
@Frequency 1e+6 Hz		IEC 60250
Dielectric Strength 36.0 kV/mm914 kV/in1 mm; IEC 60243-1
Dissipation Factor  0.0010
@Frequency 100 Hz		0.0010
@Frequency 100 Hz		IEC 60250
 0.0090
@Frequency 1e+6 Hz		0.0090
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 125 V125 VCTI M: Solution B; IEC 60112
 175 V175 VSolution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 30.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		16.7 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 0.230 W/m-K1.60 BTU-in/hr-ft²-°Fcross flow; ISO 8302
Deflection Temperature at 0.46 MPa (66 psi) 145 °C293 °FISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 142 °C288 °FISO 75-1,-2
Vicat Softening Point 149 °C300 °F50 N; 50 °C/h; ISO 306
 150 °C302 °F50 N; 120 °C/h; ISO 306
UL RTI, Electrical 80.0 °C
@Thickness 1.50 mm		176 °F
@Thickness 0.0591 in		UL 746B
UL RTI, Mechanical with Impact 80.0 °C
@Thickness 1.50 mm		176 °F
@Thickness 0.0591 in		UL 746B
UL RTI, Mechanical without Impact 80.0 °C
@Thickness 1.50 mm		176 °F
@Thickness 0.0591 in		UL 746B
Flammability, UL94  V-2
@Thickness 1.50 mm		V-2
@Thickness 0.0591 in
 V-0
@Thickness 3.00 mm		V-0
@Thickness 0.118 in
Flash Point 470 °C878 °Fignition; ASTM D1929
 550 °C1020 °Fself ignition; ASTM D1929
Oxygen Index 32 %32 %Method A; ISO 4589-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 300 °C572 °FInjection; ISO 294
Mold Temperature 110 °C230 °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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PBA452 / 26953




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