Covestro Makrolon® DP1-1821 Polycarbonate

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Covestro Makrolon® DP1-1821 Polycarbonate
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes:	MVR (300 °C/1.2 kg) 6.0 cm³/10 min; lenses, optical; high viscosity; UV stabilized; easy release; high purity; injection molding - melt temperature 280 - 320 °C; available in clear tints only As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
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Physical Properties	Metric	English	Comments

Bulk Density	0.660 g/cc	0.0238 lb/in³	pellets; ISO 60
Density	1.20 g/cc	0.0434 lb/in³	ISO 1183
Moisture Absorption at Equilibrium	0.12 %	0.12 %	ISO 62
Water Absorption at Saturation	0.30 %	0.30 %	ISO 62
Linear Mold Shrinkage	0.0060 - 0.0080 cm/cm	0.0060 - 0.0080 in/in	parallel/normal; b.o. ISO 2577
Linear Mold Shrinkage, Flow	0.0070 cm/cm	0.0070 in/in	60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse	0.0075 cm/cm	0.0075 in/in	60x60x2 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 Properties	Metric	English	Comments
Ball Indentation Hardness	114 MPa	16500 psi	ISO 2039-1
Tensile Strength at Break	70.0 MPa	10200 psi	50 mm/min; ISO 527-1/-2
Tensile Strength, Yield	66.0 MPa	9570 psi	50 mm/min; ISO 527-1/-2
Elongation at Break	>= 50 %	>= 50 %	Nominal, 50 mm/min; ISO 527-1/-2
	130 %	130 %	50 mm/min; ISO 527-1/-2
Elongation at Yield	6.2 %	6.2 %	50 mm/min; ISO 527-1/-2
Tensile Modulus	2.40 GPa	348 ksi	1 mm/min; ISO 527-1/-2
Flexural Strength	98.0 MPa	14200 psi	2 mm/min; ISO 178
Flexural Yield Strength	74.0 MPa @Strain 3.4 %	10700 psi @Strain 3.4 %	2 mm/min; ISO 178
Flexural Modulus	2.40 GPa	348 ksi	2 mm/min; ISO 178
Flexural Strain at Yield	7.0 %	7.0 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	15.0 kJ/m² @Thickness 3.00 mm, Temperature -30.0 °C	7.14 ft-lb/in² @Thickness 0.118 in, Temperature -22.0 °F	complete break; ISO 7391/b.o. ISO 180-A
	70.0 kJ/m² @Thickness 3.00 mm, Temperature 23.0 °C	33.3 ft-lb/in² @Thickness 0.118 in, Temperature 73.4 °F	partial break; ISO 7391/b.o. ISO 180-A
Charpy Impact Unnotched	NB	NB	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
Charpy Impact, Notched	1.40 J/cm² @Thickness 3.00 mm, Temperature -30.0 °C	6.66 ft-lb/in² @Thickness 0.118 in, Temperature -22.0 °F	complete break; ISO 7391/b.o. ISO 179-1eA
	8.00 J/cm² @Thickness 3.00 mm, Temperature 23.0 °C	38.1 ft-lb/in² @Thickness 0.118 in, Temperature 73.4 °F	partial break; ISO 7391/b.o. ISO 179-1eA
Impact	5500	5500	Puncture - maximum force (N); ISO 6603-2
	6500 @Temperature -30.0 °C	6500 @Temperature -22.0 °F	Puncture - maximum force (N); ISO 6603-2
Puncture Energy	60.0 J	44.3 ft-lb	ISO 6603-2
	70.0 J @Temperature -30.0 °C	51.6 ft-lb @Temperature -22.0 °F	ISO 6603-2

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+13 ohm-cm	>= 1.00e+13 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+15 ohm	>= 1.00e+15 ohm	IEC 60093
Dielectric Constant	3.0 @Frequency 1e+6 Hz	3.0 @Frequency 1e+6 Hz	IEC 60250
	3.1 @Frequency 100 Hz	3.1 @Frequency 100 Hz	IEC 60250
Dielectric Strength	34.0 kV/mm	864 kV/in	IEC 60243-1
Dissipation Factor	0.00050 @Frequency 100 Hz	0.00050 @Frequency 100 Hz	IEC 60250
	0.0095 @Frequency 1e+6 Hz	0.0095 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	250 V	250 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	65.0 µm/m-°C @Temperature 23.0 - 55.0 °C	36.1 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	65.0 µm/m-°C @Temperature 23.0 - 55.0 °C	36.1 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-1/-2
Thermal Conductivity	0.200 W/m-K	1.39 BTU-in/hr-ft²-°F	cross-flow; ISO 8302
Hot Ball Pressure Test	137 °C	279 °F	IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	138 °C	280 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	125 °C	257 °F	ISO 75-1/-2
Vicat Softening Point	144 °C	291 °F	50°C/h 50N; ISO 306
	147 °C	297 °F	50 N; 120 °C/h; ISO 306
Glass Transition Temp, Tg	145 °C	293 °F	ISO 11357-1/-2
Flash Point	480 °C	896 °F	ignition; ASTM D1929
	550 °C	1020 °F	self ignition; ASTM D1929
Oxygen Index	27 %	27 %	Method A; ISO 4589-1/-2

Optical Properties	Metric	English	Comments
Refractive Index	1.586	1.586	ISO 489
Transmission, Visible	88 % @Thickness 3.00 mm	88 % @Thickness 0.118 in	ISO 13468-2
	89 % @Thickness 1.00 mm	89 % @Thickness 0.0394 in	ISO 13468-2
	89 % @Thickness 2.00 mm	89 % @Thickness 0.0787 in	ISO 13468-2

Processing Properties	Metric	English	Comments
Melt Temperature	300 °C	572 °F	Injection Molding; ISO 294
Mold Temperature	80.0 °C	176 °F	Injection Molding; ISO 294
Injection Velocity	200 mm/sec	7.87 in/sec	ISO 294

Descriptive Properties
Availability	Asia Pacific
	India
	North America
Feature	Light stabilized or stable to light
	Release agent
	U.V. stabilized or stable to weather
Form	Pellets
Process	Injection Molding

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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PB09949 / 92789

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