Covestro Makrolon® 8025 Polycarbonate

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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
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Physical Properties	Original Value	Comments

Bulk Density	0.660 g/cc	Pellets; ISO 60
Density	1.34 g/cc	ISO 1183-1
Moisture Absorption at Equilibrium	0.10 %	50% RH; ISO 62
Water Absorption at Saturation	0.24 %	ISO 62
Linear Mold Shrinkage	0.0030 - 0.0045 cm/cm	parallel/normal; b.o. ISO 2577
Linear Mold Shrinkage, Flow	0.0055 cm/cm	60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse	0.0035 cm/cm	60x60x2 mm; 500 bar; ISO 294-4
Melt Flow	6.5 g/10 min @Load 1.20 kg, Temperature 300 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Puncture Resistance	2800 N @Temperature -30.0 °C	ISO 6603-2
	3300 N @Temperature 23.0 °C	ISO 6603-2
Ball Indentation Hardness	136 MPa	ISO 2039-1
Tensile Strength at Break	50.0 MPa	50 mm/min; ISO 527-1/2
Tensile Strength, Yield	0.0580 GPa	50 mm/min; ISO 527-1/2
Elongation at Break	6.5 %	50 mm/min; ISO 527-1/2
Elongation at Yield	3.5 %	50 mm/min; ISO 527-1/2
Tensile Modulus	4.00 GPa	50 mm/min; ISO 527-1/2
Flexural Strength	100 MPa	2 mm/min; ISO 178
Flexural Yield Strength	95.0 MPa @Strain 3.5 %	2 mm/min; ISO 178
Flexural Modulus	3.70 GPa	2 mm/min; ISO 178
Flexural Strain at Yield	5.4 %	2 mm/min; ISO 178
Charpy Impact Unnotched	5.50 J/cm²	complete break; ISO 179/1eU
	6.50 J/cm² @Temperature -30.0 °C	complete break; ISO 179/1eU
	6.50 J/cm² @Temperature -60.0 °C	complete break; ISO 179/1eU
Charpy Impact, Notched	1.20 J/cm² @Thickness 3.00 mm, Temperature 23.0 °C	complete break; ISO 7391/b.o. ISO 179-1eA
	1.20 J/cm² @Thickness 3.00 mm, Temperature -30.0 °C	complete break; ISO 7391/b.o. ISO 179-1eA
Puncture Energy	10.0 J @Temperature -30.0 °C	ISO 6603-2
	20.0 J @Temperature 23.0 °C	ISO 6603-2
Tensile Creep Modulus, 1 hour	3700 MPa	ISO 899-1
Tensile Creep Modulus, 1000 hours	3500 MPa	ISO 527-1/2

Electrical Properties	Original Value	Comments
Surface Resistance	1.00e+14 ohm	IEC 60093
Dielectric Constant	3.3 @Frequency 100 Hz	IEC 60250
	3.3 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	36.0 kV/mm	1 mm; IEC 60243-1
Dissipation Factor	0.0010 @Frequency 100 Hz	IEC 60250
	0.0090 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	125 V	Solution A; IEC 60112
	175 V	Solution A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	45.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1,-2
CTE, linear, Transverse to Flow	55.0 µm/m-°C	ISO 11359-1,-2
Thermal Conductivity	0.230 W/m-K	ISO 8302
Hot Ball Pressure Test	137 °C	IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	141 °C	ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi)	134 °C	ISO 75-1,-2
Vicat Softening Point	146 °C	50 N; 50 °C/h; ISO 306
	147 °C	50 N; 120 °C/h; ISO 306
UL RTI, Electrical	125 °C @Thickness 1.50 mm	UL 746B
UL RTI, Mechanical with Impact	115 °C @Thickness 1.50 mm	UL 746B
UL RTI, Mechanical without Impact	125 °C @Thickness 1.50 mm	UL 746B
Flammability, UL94	V-2 @Thickness 1.50 mm
	V-1 @Thickness 6.00 mm
Flash Point	470 °C	ignition; ASTM D1929
	550 °C	self ignition; ASTM D1929
Oxygen Index	32 %	Method A; ISO 4589-2
Glow Wire Ignition Temperature	850 °C @Thickness 0.750 mm	IEC 60695-2-13
	875 °C @Thickness 2.00 mm	IEC 60695-2-13
	875 °C @Thickness 3.00 mm	IEC 60695-2-13
Glow Wire Flammability Index	800 °C @Thickness 0.750 mm	IEC 60695-2-12
	960 °C @Thickness 1.50 mm	IEC 60695-2-12
	960 °C @Thickness 2.00 mm	IEC 60695-2-12
	960 °C @Thickness 3.00 mm	IEC 60695-2-12
	960 °C @Thickness 4.00 mm	IEC 60695-2-12

Processing Properties	Original Value	Comments
Melt Temperature	300 °C	Injection; ISO 294
Mold Temperature	110 °C	Injection; ISO 294
Injection Velocity	200 mm/sec	ISO 294

Descriptive Properties
Electrolytic corrosion	A1	IEC 60426
Needle flame test	120 s	Method K, 3 mm; IEC 60695-11-5
	120 s	Method F, 1.5 mm; IEC 60695-11-5
	120 s	Method F, 2 mm; IEC 60695-11-5
	120 s	Method F, 3 mm; IEC 60695-11-5
	60 s	Method K, 1.5 mm; IEC 60695-11-5
	60 s	Method K, 2 mm; IEC 60695-11-5

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PBA450 / 26951

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