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Covestro Makrolon® 8345 Polycarbonate

Category	Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, 30% Glass Filled
Manufacturer	Covestro
Trade Name	Makrolon®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Covestro Makrolon® 8345 Polycarbonate.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

High viscosity injection molding and extrusion grade with 35% standard glass fibers and easy mold release, stiff flow, especially high strength and stiffness.Information provided by Bayer.As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.

Physical Properties	Metric	English	Comments
Density	1.50 g/cc	0.0542 lb/in³
Water Absorption	0.27 %	0.27 %	Saturation in water
Moisture Absorption at Equilibrium	0.11 %	0.11 %	Equilibrium at 50% RH
Water Absorption at Saturation	0.27 %	0.27 %
Melt Flow	3.0 g/10 min @Load 1.20 kg, Temperature 300 °C	3.0 g/10 min @Load 2.65 lb, Temperature 572 °F

Mechanical Properties	Metric	English
Tensile Strength, Ultimate	135 MPa	19600 psi
Elongation at Break	3.5 %	3.5 %
Tensile Modulus	10.5 GPa	1520 ksi
Charpy Impact Unnotched	4.00 J/cm²	19.0 ft-lb/in²
Tensile Creep Modulus, 1 hour	5900 MPa	856000 psi
Tensile Creep Modulus, 1000 hours	5400 MPa	783000 psi

Thermal Properties	Metric	English
CTE, linear, Parallel to Flow	25.0 µm/m-°C @Temperature 20.0 °C	13.9 µin/in-°F @Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi)	145 °C	293 °F
Deflection Temperature at 1.8 MPa (264 psi)	138 °C	280 °F
Vicat Softening Point	149 °C	300 °F
Glass Transition Temp, Tg	148 °C	298 °F
Flammability, UL94	V-1 @Thickness 1.60 mm	V-1 @Thickness 0.0630 in
	V-0 @Thickness 3.00 mm	V-0 @Thickness 0.118 in
Oxygen Index	32 %	32 %

Electrical Properties	Metric	English
Electrical Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm
Dielectric Constant	3.6 @Frequency 1e+6 Hz	3.6 @Frequency 1e+6 Hz
	3.8 @Frequency 100 Hz	3.8 @Frequency 100 Hz
Dielectric Strength	30.0 kV/mm	762 kV/in
Dissipation Factor	0.0010 @Frequency 100 Hz	0.0010 @Frequency 100 Hz
	0.0090 @Frequency 1e+6 Hz	0.0090 @Frequency 1e+6 Hz
Comparative Tracking Index	175 V	175 V

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