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Rulon Bearings

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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.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Bulk Density 0.640 g/ccpellets; ISO 60
Density 1.20 g/ccISO 1183
Moisture Absorption at Equilibrium 0.12 %ISO 62
Water Absorption at Saturation 0.30 %ISO 62
Water Vapor Transmission 15.0 g/m²/day85% RH, 100 um film; ISO 15106-1
Linear Mold Shrinkage, Flow 0.0070 cm/cmISO 294-4,2577
Linear Mold Shrinkage, Transverse 0.0075 cm/cmISO 294-4,2577
Melt Flow 6.5 g/10 min
@Load 1.20 kg,
Temperature 300 °C		ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Ball Indentation Hardness 113 MPaISO 2039-1
Tensile Strength at Break 70.0 MPa50 mm/min; ISO 527-1/-2
Tensile Strength, Yield 65.0 MPa50 mm/min; ISO 527-1/-2
Elongation at Break >= 50 %Nominal, 50 mm/min; ISO 527-1/-2
 130 %50 mm/min; ISO 527-1/-2
Elongation at Yield 6.2 %50 mm/min; ISO 527-1/-2
Tensile Modulus 2400 MPa1 mm/min; ISO 527-1/-2
Flexural Strength 96.0 MPa2 mm/min; ISO 178
Flexural Yield Strength 72.0 MPa
@Strain 3.5 %		2 mm/min; ISO 178
Flexural Modulus 2.40 GPa2 mm/min; ISO 178
Flexural Strain at Yield 7.2 %2 mm/min; ISO 178
Izod Impact, Notched (ISO) 15.0 kJ/m²
@Temperature -30.0 °C		3 mm, Complete Break; ISO 7391/b.o. ISO 180-A
 70.0 kJ/m²
@Temperature 23.0 °C		3 mm, Partial Break; ISO 7391/b.o. ISO 180-A
Charpy Impact Unnotched NBISO 179/1eU
 NB
@Temperature -30.0 °C		ISO 179/1eU
 NB
@Temperature -60.0 °C		ISO 179-1eU
Charpy Impact, Notched 1.80 J/cm²
@Temperature -30.0 °C		3 mm, Complete Break; ISO 7391/b.o. ISO 179-1eA
 8.00 J/cm²
@Temperature 23.0 °C		3 mm, Partial Break; ISO 7391/b.o. ISO 179-1eA
Impact 5600Puncture - maximum force (N); ISO 6603-2
 6500
@Temperature -30.0 °C		Puncture - maximum force (N); ISO 6603-2
Puncture Energy 60.0 JISO 6603-2
 70.0 J
@Temperature -30.0 °C		ISO 6603-2
Tensile Creep Modulus, 1 hour 2200 MPaISO 899-1
Tensile Creep Modulus, 1000 hours 1900 MPaISO 899-1
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+14 ohm-cmIEC 60093
Surface Resistance 1.00e+16 ohmIEC 60093
Dielectric Constant 3.0
@Frequency 1e+6 Hz		IEC 60250
 3.1
@Frequency 100 Hz		IEC 60250
Dielectric Strength 34.0 kV/mm1 mm; IEC 60243-1
Dissipation Factor 0.00080
@Frequency 100 Hz		IEC 60250
 0.0095
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 125 VCTI M; Solution b; IEC 60112
 225 VSolution A; IEC 60112
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 65.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		ISO 11359-1/-2
CTE, linear, Transverse to Flow 65.0 µm/m-°C
@Temperature 23.0 - 55.0 °C		ISO 11359-1/-2
Thermal Conductivity 0.200 W/m-KISO 8302
Deflection Temperature at 0.46 MPa (66 psi) 140 °CISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 127 °CISO 75-1/-2
Vicat Softening Point 147 °C50°C/h 50N; ISO 306
 149 °C
@Load 5.10 kg		120°C/hr; ISO 306
Glass Transition Temp, Tg 148 °CISO 11357-1/-2
 148 °CISO 11357-1,-2
UL RTI, Electrical 125 °C
@Thickness 1.50 mm		UL 746B
UL RTI, Mechanical with Impact 115 °C
@Thickness 1.50 mm		UL 746B
UL RTI, Mechanical without Impact 125 °C
@Thickness 1.50 mm		UL 746B
Flammability, UL94 V-2
@Thickness 1.50 mm		IEC 60695-11-10
 V-0
@Thickness 6.00 mm		IEC 60695-11-10
Flash Point 480 °CASTM D1929
Oxygen Index 31 %Method A; ISO 4589-1/-2
Glow Wire Flammability Index 850 °C
@Thickness 0.750 mm		IEC 60695-2-12
 875 °C
@Thickness 1.50 mm		IEC 60695-2-12
 960 °C
@Thickness 3.00 mm		IEC 60695-2-12
Ignition Temperature 550 °CSelf Ignition; ASTM D1929
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.587Procedure A; ISO 489
Haze <= 0.80 %
@Thickness 3.00 mm		ISO 14782
Transmission, Visible 89 %ISO 13468-1, -2
 87 %
@Thickness 4.00 mm		ISO 13468-2
 88 %
@Thickness 3.00 mm		ISO 13468-2
 89 %
@Thickness 1.00 mm		ISO 13468-2
 89 %
@Thickness 2.00 mm		ISO 13468-2
 
Processing PropertiesOriginal ValueComments
Melt Temperature 300 °CInjection Molding; ISO 294
Mold Temperature 80.0 °CInjection Molding; ISO 294
Injection Velocity 200 mm/secISO 294
 
Descriptive Properties
Electrolytic corrosionA1IEC 60426
Gas permeation120 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 test10 sMethod K, 1.5 mm; IEC 60695-11-5
 120 sMethod F, 1.5 mm; IEC 60695-11-5
 120 sMethod F, 2 mm; IEC 60695-11-5
 120 sMethod F, 3 mm; IEC 60695-11-5
 20 sMethod K, 2 mm; IEC 60695-11-5
 30 sMethod K, 3 mm; IEC 60695-11-5
Resistance to heat140°Cball pressure test; IEC 60695-10-2

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