Covestro Makrolon® 1804 Polycarbonate

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Covestro Makrolon® 1804 Polycarbonate
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Extruded
Material Notes:	ISO Shortname: ISO 7391-PC,EFL,(,,)-09-9 MVR (300 °C/1.2 kg) 6.0 cm³/10 min; Extrusion; flame retardant; UL 94V-2/1.5 mm and 3.0 mm; high viscosity; UV stabilized; optimized for low plate-out; available in transparent, translucent and opaque colors; solid sheet 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	0.640 g/cc	0.0231 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
Water Vapor Transmission	15.0 g/m²/day	0.966 g/100 in²/day	85% RH, 100 um film; ISO 15106-1
Linear Mold Shrinkage, Flow	0.0070 cm/cm	0.0070 in/in	ISO 294-4,2577
Linear Mold Shrinkage, Transverse	0.0075 cm/cm	0.0075 in/in	ISO 294-4,2577
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	113 MPa	16400 psi	ISO 2039-1
Tensile Strength at Break	70.0 MPa	10200 psi	50 mm/min; ISO 527-1/-2
Tensile Strength, Yield	65.0 MPa	9430 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	96.0 MPa	13900 psi	2 mm/min; ISO 178
Flexural Yield Strength	72.0 MPa @Strain 3.5 %	10400 psi @Strain 3.5 %	2 mm/min; ISO 178
Flexural Modulus	2.40 GPa	348 ksi	2 mm/min; ISO 178
Flexural Strain at Yield	7.2 %	7.2 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	15.0 kJ/m² @Temperature -30.0 °C	7.14 ft-lb/in² @Temperature -22.0 °F	3 mm, Complete Break; ISO 7391/b.o. ISO 180-A
	70.0 kJ/m² @Temperature 23.0 °C	33.3 ft-lb/in² @Temperature 73.4 °F	3 mm, 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	1.80 J/cm² @Temperature -30.0 °C	8.57 ft-lb/in² @Temperature -22.0 °F	3 mm, Complete Break; ISO 7391/b.o. ISO 179-1eA
	8.00 J/cm² @Temperature 23.0 °C	38.1 ft-lb/in² @Temperature 73.4 °F	3 mm, Partial Break; ISO 7391/b.o. ISO 179-1eA
Impact	5600	5600	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
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+14 ohm-cm	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+16 ohm	1.00e+16 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	1 mm; IEC 60243-1
Dissipation Factor	0.00080 @Frequency 100 Hz	0.00080 @Frequency 100 Hz	IEC 60250
	0.0095 @Frequency 1e+6 Hz	0.0095 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	125 V	125 V	CTI M; Solution b; IEC 60112
	225 V	225 V	Solution A; 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	ISO 8302
Deflection Temperature at 0.46 MPa (66 psi)	140 °C	284 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	127 °C	261 °F	ISO 75-1/-2
Vicat Softening Point	147 °C	297 °F	50°C/h 50N; ISO 306
	149 °C @Load 5.10 kg	300 °F @Load 11.2 lb	120°C/hr; ISO 306
Glass Transition Temp, Tg	148 °C	298 °F	ISO 11357-1/-2
	148 °C	298 °F	ISO 11357-1,-2
UL RTI, Electrical	125 °C @Thickness 1.50 mm	257 °F @Thickness 0.0591 in	UL 746B
UL RTI, Mechanical with Impact	115 °C @Thickness 1.50 mm	239 °F @Thickness 0.0591 in	UL 746B
UL RTI, Mechanical without Impact	125 °C @Thickness 1.50 mm	257 °F @Thickness 0.0591 in	UL 746B
Flammability, UL94	V-2 @Thickness 1.50 mm	V-2 @Thickness 0.0591 in	IEC 60695-11-10
	V-0 @Thickness 6.00 mm	V-0 @Thickness 0.236 in	IEC 60695-11-10
Flash Point	480 °C	896 °F	ASTM D1929
Oxygen Index	31 %	31 %	Method A; ISO 4589-1/-2
Glow Wire Flammability Index	850 °C @Thickness 0.750 mm	1560 °F @Thickness 0.0295 in	IEC 60695-2-12
	875 °C @Thickness 1.50 mm	1610 °F @Thickness 0.0591 in	IEC 60695-2-12
	960 °C @Thickness 3.00 mm	1760 °F @Thickness 0.118 in	IEC 60695-2-12
Ignition Temperature	550 °C	1020 °F	Self Ignition; ASTM D1929

Optical Properties	Metric	English	Comments
Refractive Index	1.587	1.587	Procedure A; ISO 489
Haze	<= 0.80 % @Thickness 3.00 mm	<= 0.80 % @Thickness 0.118 in	ISO 14782
Transmission, Visible	89 %	89 %	ISO 13468-1, -2
	87 % @Thickness 4.00 mm	87 % @Thickness 0.157 in	ISO 13468-2
	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
Electrolytic corrosion	A1		IEC 60426
Gas permeation	120 cm³/(m²·24 h·bar)		Nitrogen; 100 µm film; b.o. ISO 2556
	16900 cm³/(m²·24 h·bar)		Carbon dioxide; 25.4 µm (1 mil) film; b.o. ISO 2556
	2760 cm³/(m²·24 h·bar)		Oxygen; 25.4 µm (1 mil) film; b.o. ISO 2556
	3800 cm³/(m²·24 h·bar)		Carbon dioxide; 100 µm film; b.o. ISO 2556
	540 cm³/(m²·24 h·bar)		Nitrogen; 25.4 µm (1 mil) film; b.o. ISO 2556
	650 cm³/(m²·24 h·bar)		Oxygen; 100 µm film; b.o. ISO 2556
Needle flame test	10 s		Method K, 1.5 mm; IEC 60695-11-5
	120 s		Method F, 1.5 mm; IEC 60695-11-5
	120 s		Method F, 2 mm; IEC 60695-11-5
	120 s		Method F, 3 mm; IEC 60695-11-5
	20 s		Method K, 2 mm; IEC 60695-11-5
	30 s		Method K, 3 mm; IEC 60695-11-5
Resistance to heat	140°C		ball pressure test; IEC 60695-10-2

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PB09893 / 92733

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