Covestro Makrolon® 3207 Polycarbonate

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Covestro Makrolon® 3207 Polycarbonate
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes:	General purpose; high viscosity; UV stabilized; easy release; developed for safety goggles Mechanical property data for samples at 50% RH. Information provided by Covestro.
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Physical Properties	Metric	English	Comments

Density	1.19 g/cc	0.0430 lb/in³	ISO 1183-1
Linear Mold Shrinkage	0.0073 cm/cm	0.0073 in/in	60x60x2 mm; ISO 294-4
Linear Mold Shrinkage, Flow	0.0073 cm/cm	0.0073 in/in	60x60x2 mm; ISO 294-4
Melt Flow	4.76 g/10 min @Load 1.20 kg, Temperature 300 °C	4.76 g/10 min @Load 2.65 lb, Temperature 572 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	62.0 MPa	8990 psi	50mm/min; ISO 527-1,-2
Elongation at Break	>= 50 %	>= 50 %	5mm/min, complete break; ISO 524-1,-2
	68 %	68 %	5mm/min, complete break; ISO 524-1,-2
Elongation at Yield	6.5 %	6.5 %	50mm/min; ISO 527-1,-2
Tensile Modulus	2.27 GPa @Temperature 23.0 °C	329 ksi @Temperature 73.4 °F	1mm/min, complete break; ISO 527-1,-2
Flexural Strength	97.0 MPa	14100 psi	2mm/min; ISO 178
	72.0 MPa @Strain 3.5 %	10400 psi @Strain 3.5 %	2mm/min; ISO 178
Flexural Modulus	2.40 GPa @Temperature 23.0 °C	348 ksi @Temperature 73.4 °F	2mm/min; ISO 178
Flexural Strain at Break	7.5 %	7.5 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	20.0 kJ/m² @Thickness 3.20 mm, Temperature -30.0 °C	9.52 ft-lb/in² @Thickness 0.126 in, Temperature -22.0 °F	b.o. ISO 180-A
	71.0 kJ/m² @Thickness 3.00 mm, Temperature -20.0 °C	33.8 ft-lb/in² @Thickness 0.118 in, Temperature -4.00 °F	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	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 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
Puncture Energy	60.0 J @Temperature 23.0 °C	44.3 ft-lb @Temperature 73.4 °F	complete break; ISO 6603-2

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	141 °C	286 °F	ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi)	130 °C	266 °F	ISO 75-1,-2
Vicat Softening Point	149 °C @Load 5.10 kg	300 °F @Load 11.2 lb	@ 50°C/h; ISO 306
	150 °C @Load 5.10 kg	302 °F @Load 11.2 lb	@ 120°C/h; ISO 306
Glass Transition Temp, Tg	151 °C	304 °F	10°C/min; ISO 11357-1,-2

Optical Properties	Metric	English	Comments
Haze	<= 0.20 % @Thickness 3.00 mm	<= 0.20 % @Thickness 0.118 in	for transparent material; ISO 14782
Transmission, Visible	88 % @Thickness 3.00 mm	88 % @Thickness 0.118 in	Luminous; ISO 13468-2
	88 % @Thickness 4.00 mm	88 % @Thickness 0.157 in	Luminous; ISO 13468-2
	89 % @Thickness 1.00 mm	89 % @Thickness 0.0394 in	Luminous; ISO 13468-2
	89 % @Thickness 2.00 mm	89 % @Thickness 0.0787 in	Luminous; ISO 13468-2

Descriptive Properties
Puncture Maximum Force (N)	5715		ISO 6603-2, at 23°C, complete break

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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PB095060 / 200130

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