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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	62.0 MPa	50mm/min; ISO 527-1,-2
Elongation at Break	>= 50 %	5mm/min, complete break; ISO 524-1,-2
	68 %	5mm/min, complete break; ISO 524-1,-2
Elongation at Yield	6.5 %	50mm/min; ISO 527-1,-2
Tensile Modulus	2270 MPa @Temperature 23.0 °C	1mm/min, complete break; ISO 527-1,-2
Flexural Strength	97.0 MPa	2mm/min; ISO 178
	72.0 MPa @Strain 3.5 %	2mm/min; ISO 178
Flexural Modulus	2400 MPa @Temperature 23.0 °C	2mm/min; ISO 178
Flexural Strain at Break	7.5 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	20.0 kJ/m² @Thickness 3.20 mm, Temperature -30.0 °C	b.o. ISO 180-A
	71.0 kJ/m² @Thickness 3.00 mm, Temperature -20.0 °C	ISO 7391/b.o. ISO 180-A
	75.0 kJ/m² @Thickness 3.00 mm, Temperature 23.0 °C	Partial Break; ISO 7391/b.o. ISO 180-A
Charpy Impact Unnotched	NB @Temperature -60.0 °C	ISO 179-1eU
	NB @Temperature -30.0 °C	ISO 179-1eU
	NB @Temperature 23.0 °C	ISO 179-1eU
Puncture Energy	60.0 J @Temperature 23.0 °C	complete break; ISO 6603-2

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	141 °C	ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi)	130 °C	ISO 75-1,-2
Vicat Softening Point	149 °C @Load 5.10 kg	@ 50°C/h; ISO 306
	150 °C @Load 5.10 kg	@ 120°C/h; ISO 306
Glass Transition Temp, Tg	151 °C	10°C/min; ISO 11357-1,-2

Optical Properties	Original Value	Comments
Haze	<= 0.20 % @Thickness 3.00 mm	for transparent material; ISO 14782
Transmission, Visible	88 % @Thickness 4.00 mm	Luminous; ISO 13468-2
	88 % @Thickness 3.00 mm	Luminous; ISO 13468-2
	89 % @Thickness 2.00 mm	Luminous; ISO 13468-2
	89 % @Thickness 1.00 mm	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 go back to viewing the property data in MatWeb's normal format.

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PB095060 / 200130

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