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Master Bond adhesives

Covestro Makrolon® 8025 Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, 20% Glass Filled
Material Notes: MVR (300 °C/1.2 kg) 6.0 cm³/10 min; 20 % glass fiber reinforced; milled fiber; high viscosity; easy release; injection molding - melt temperature 310 - 330 °C; extrusion; available in opaque colors only; precision parts

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 1.34 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
Linear Mold Shrinkage 0.0030 - 0.0045 cm/cm0.0030 - 0.0045 in/inparallel/normal; b.o. ISO 2577
Linear Mold Shrinkage, Flow 0.0055 cm/cm0.0055 in/in60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse 0.0035 cm/cm0.0035 in/in60x60x2 mm; 500 bar; ISO 294-4
Melt Flow 6.5 g/10 min
@Load 1.20 kg,
Temperature 300 °C		6.5 g/10 min
@Load 2.65 lb,
Temperature 572 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Puncture Resistance  2800 N
@Temperature -30.0 °C		629 lb (f)
@Temperature -22.0 °F		ISO 6603-2
 3300 N
@Temperature 23.0 °C		742 lb (f)
@Temperature 73.4 °F		ISO 6603-2
Ball Indentation Hardness 136 MPa19700 psiISO 2039-1
Tensile Strength at Break 50.0 MPa7250 psi50 mm/min; ISO 527-1/2
Tensile Strength, Yield 58.0 MPa8410 psi50 mm/min; ISO 527-1/2
Elongation at Break 6.5 %6.5 %50 mm/min; ISO 527-1/2
Elongation at Yield 3.5 %3.5 %50 mm/min; ISO 527-1/2
Tensile Modulus 4.00 GPa580 ksi50 mm/min; ISO 527-1/2
Flexural Strength 100 MPa14500 psi2 mm/min; ISO 178
Flexural Yield Strength 95.0 MPa
@Strain 3.5 %		13800 psi
@Strain 3.5 %		2 mm/min; ISO 178
Flexural Modulus 3.70 GPa537 ksi2 mm/min; ISO 178
Flexural Strain at Yield 5.4 %5.4 %2 mm/min; ISO 178
Charpy Impact Unnotched 5.50 J/cm²26.2 ft-lb/in²complete 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  1.20 J/cm²
@Thickness 3.00 mm,
Temperature 23.0 °C		5.71 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F		complete break; ISO 7391/b.o. ISO 179-1eA
 1.20 J/cm²
@Thickness 3.00 mm,
Temperature -30.0 °C		5.71 ft-lb/in²
@Thickness 0.118 in,
Temperature -22.0 °F		complete break; ISO 7391/b.o. ISO 179-1eA
Puncture Energy  10.0 J
@Temperature -30.0 °C		7.38 ft-lb
@Temperature -22.0 °F		ISO 6603-2
 20.0 J
@Temperature 23.0 °C		14.8 ft-lb
@Temperature 73.4 °F		ISO 6603-2
Tensile Creep Modulus, 1 hour 3700 MPa537000 psiISO 899-1
Tensile Creep Modulus, 1000 hours 3500 MPa508000 psiISO 527-1/2
 
Electrical PropertiesMetricEnglishComments
Surface Resistance 1.00e+14 ohm1.00e+14 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 VSolution A; IEC 60112
 175 V175 VSolution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 45.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		25.0 µin/in-°F
@Temperature 73.4 - 131 °F		ISO 11359-1,-2
CTE, linear, Transverse to Flow 55.0 µm/m-°C30.6 µin/in-°FISO 11359-1,-2
Thermal Conductivity 0.230 W/m-K1.60 BTU-in/hr-ft²-°FISO 8302
Hot Ball Pressure Test 137 °C279 °FIEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 141 °C286 °FISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 134 °C273 °FISO 75-1,-2
Vicat Softening Point 146 °C295 °F50 N; 50 °C/h; ISO 306
 147 °C297 °F50 N; 120 °C/h; ISO 306
UL RTI, Electrical 125 °C
@Thickness 1.50 mm		257 °F
@Thickness 0.0591 in		UL 746B
UL RTI, Mechanical with Impact 115 °C
@Thickness 1.50 mm		239 °F
@Thickness 0.0591 in		UL 746B
UL RTI, Mechanical without Impact 125 °C
@Thickness 1.50 mm		257 °F
@Thickness 0.0591 in		UL 746B
Flammability, UL94  V-2
@Thickness 1.50 mm		V-2
@Thickness 0.0591 in
 V-1
@Thickness 6.00 mm		V-1
@Thickness 0.236 in
Flash Point 470 °C878 °Fignition; ASTM D1929
 550 °C1020 °Fself ignition; ASTM D1929
Oxygen Index 32 %32 %Method A; ISO 4589-2
Glow Wire Ignition Temperature  850 °C
@Thickness 0.750 mm		1560 °F
@Thickness 0.0295 in		IEC 60695-2-13
 875 °C
@Thickness 2.00 mm		1610 °F
@Thickness 0.0787 in		IEC 60695-2-13
 875 °C
@Thickness 3.00 mm		1610 °F
@Thickness 0.118 in		IEC 60695-2-13
Glow Wire Flammability Index  800 °C
@Thickness 0.750 mm		1470 °F
@Thickness 0.0295 in		IEC 60695-2-12
 960 °C
@Thickness 1.50 mm		1760 °F
@Thickness 0.0591 in		IEC 60695-2-12
 960 °C
@Thickness 2.00 mm		1760 °F
@Thickness 0.0787 in		IEC 60695-2-12
 960 °C
@Thickness 3.00 mm		1760 °F
@Thickness 0.118 in		IEC 60695-2-12
 960 °C
@Thickness 4.00 mm		1760 °F
@Thickness 0.157 in		IEC 60695-2-12
 
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
 
Descriptive Properties
Electrolytic corrosionA1IEC 60426
Needle flame test120 sMethod K, 3 mm; IEC 60695-11-5
 120 sMethod F, 1.5 mm; IEC 60695-11-5
 120 sMethod F, 2 mm; IEC 60695-11-5
 120 sMethod F, 3 mm; IEC 60695-11-5
 60 sMethod K, 1.5 mm; IEC 60695-11-5
 60 sMethod K, 2 mm; IEC 60695-11-5

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PBA450 / 26951




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