Covestro Makrolon® DP1-1843 Polycarbonate

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Covestro Makrolon® DP1-1843 Polycarbonate (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes:	ISO 7391-PC,RL,(,,)-09-9 Developmental product MVR (300 °C/1.2 kg) 9.5 cm³/10 min Medium viscosity UV stabilized Rotomolding Available in transparent and translucent colors Globe lights 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

Density	1.20 g/cc	0.0434 lb/in³	ISO 1183
Melt Density	1.02 g/cc @Temperature 300 °C	0.0368 lb/in³ @Temperature 572 °F
Water Absorption	0.30 %	0.30 %	Similar to ISO 62
Moisture Absorption at Equilibrium	0.12 %	0.12 %	Similar to ISO 62
Linear Mold Shrinkage, Flow	0.0070 cm/cm	0.0070 in/in	ISO 294-4,2577
Linear Mold Shrinkage, Transverse	0.0070 cm/cm	0.0070 in/in	ISO 294-4,2577
Melt Flow	9.7 g/10 min @Load 1.20 kg, Temperature 300 °C	9.7 g/10 min @Load 2.65 lb, Temperature 572 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	65.0 MPa	9430 psi	ISO 527-1/-2
Elongation at Break	>= 50 %	>= 50 %	Nominal; ISO 527-1/-2
Elongation at Yield	6.3 %	6.3 %	ISO 527-1/-2
Tensile Modulus	2.35 GPa	341 ksi	ISO 527-1/-2
Charpy Impact Unnotched	NB	NB	ISO 179/1eU
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 179/1eU
Impact	5400	5400	Puncture - maximum force (N); ISO 6603-2
	6300 @Temperature -30.0 °C	6300 @Temperature -22.0 °F	Puncture - maximum force (N); ISO 6603-2
Puncture Energy	60.0 J	44.3 ft-lb	ISO 6603-2
	65.0 J @Temperature -30.0 °C	47.9 ft-lb @Temperature -22.0 °F	ISO 6603-2
Tensile Creep Modulus, 1 hour	2200 MPa	319000 psi	ISO 899-1
Tensile Creep Modulus, 1000 hours	1900 MPa	276000 psi	ISO 899-1

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
	0.0090 @Frequency 1e+6 Hz	0.0090 @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	36.1 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	65.0 µm/m-°C	36.1 µin/in-°F	ISO 11359-1/-2
Specific Heat Capacity	1.70 J/g-°C	0.406 BTU/lb-°F	Melt
Thermal Conductivity	0.173 W/m-K	1.20 BTU-in/hr-ft²-°F	Melt
Deflection Temperature at 0.46 MPa (66 psi)	139 °C	282 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	127 °C	261 °F	ISO 75-1/-2
Vicat Softening Point	146 °C	295 °F	50°C/h 50N; ISO 306
Glass Transition Temp, Tg	147 °C	297 °F	ISO 11357-1/-2
Flammability, UL94	V-2 @Thickness 1.50 mm	V-2 @Thickness 0.0591 in	IEC 60695-11-10
	V-2 @Thickness 2.60 mm	V-2 @Thickness 0.102 in	IEC 60695-11-10
Oxygen Index	27 %	27 %	ISO 4589-1/-2

Optical Properties	Metric	English	Comments
Transmission, Visible	89 %	89 %	ISO 13468-1, -2

Processing Properties	Metric	English	Comments
Melt Temperature	280 - 320 °C	536 - 608 °F
	300 °C	572 °F	Injection Molding; ISO 294
Mold Temperature	80.0 °C	176 °F	Injection Molding; ISO 10724
	80.0 - 120 °C	176 - 248 °F
Ejection Temperature	130 °C	266 °F
Injection Velocity	200 mm/sec	7.87 in/sec	ISO 294

Descriptive Properties
Availability	Asia Pacific
	Europe
	India
	Near East/Africa
	South and Central America
Eff. thermal diffusivity (m²/s)	1E-07
Feature	Light stabilized or stable to light
	U.V. stabilized or stable to weather
Form	Pellets
Process	Thermoforming
UL recognition	UL\l1.5\n
	UL\lh\n

**
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