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Rulon Bearings

Covestro Makrolon® 6267X Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes: Flame retardant; UL 94V-0/1.5 mm; low viscosity; UV stabilized; easy release; injection molding - melt temperature 280 - 320 °C; available in opaque colors only

Mechanical property data for samples at 50% RH.

Information provided by Covestro.
Key Words: 6267 X
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 PropertiesMetricEnglishComments
Bulk Density 0.640 g/cc
@Temperature 23.0 °C		0.0231 lb/in³
@Temperature 73.4 °F		pellets; ISO 60
Density 1.20 g/cc0.0434 lb/in³ISO 1183-1
Moisture Absorption at Equilibrium 0.12 %
@Temperature 23.0 °C		0.12 %
@Temperature 73.4 °F		ISO 62
Water Absorption at Saturation 0.30 %
@Temperature 23.0 °C		0.30 %
@Temperature 73.4 °F		ISO 62
Linear Mold Shrinkage 0.0065 cm/cm
@Pressure 50.0 MPa		0.0065 in/in
@Pressure 7250 psi		60x60x2 mm; ISO 294-4
Linear Mold Shrinkage, Flow 0.0065 cm/cm
@Pressure 50.0 MPa		0.0065 in/in
@Pressure 7250 psi		60x60x2 mm; ISO 294-4
Melt Flow 20 g/10 min
@Load 1.20 kg,
Temperature 300 °C		20 g/10 min
@Load 2.65 lb,
Temperature 572 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Ball Indentation Hardness 116 MPa
@Temperature 23.0 °C		16800 psi
@Temperature 73.4 °F		ISO 2039-1
Tensile Strength at Break 65.0 MPa9430 psi50mm/min; ISO 527-1,-2
Tensile Strength, Yield 67.0 MPa9720 psi50mm/min; ISO 527-1,-2
Elongation at Break >= 50 %>= 50 %50mm/min, complete break; ISO 524-1,-2
 120 %120 %50mm/min, complete break; ISO 524-1,-2
Elongation at Yield 6.0 %6.0 %50mm/min; ISO 527-1,-2
Tensile Modulus 2.45 GPa
@Temperature 23.0 °C		355 ksi
@Temperature 73.4 °F		1mm/min, complete break; ISO 527-1,-2
Flexural Strength 97.0 MPa14100 psi2mm/min; ISO 178
 74.0 MPa
@Strain 3.5 %		10700 psi
@Strain 3.5 %		2mm/min; ISO 178
Flexural Modulus 2.40 GPa
@Temperature 23.0 °C		348 ksi
@Temperature 73.4 °F		2mm/min; ISO 178
Flexural Strain at Break 6.9 %6.9 %2 mm/min; ISO 178
Izod Impact, Notched (ISO) 11.0 kJ/m²
@Thickness 3.00 mm,
Temperature -30.0 °C		5.23 ft-lb/in²
@Thickness 0.118 in,
Temperature -22.0 °F		Complete Break; ISO 7391/b.o. ISO 180-A
Charpy Impact Unnotched  NB
@Temperature 23.0 °C		NB
@Temperature 73.4 °F		ISO 179-1eU
 NB
@Temperature -30.0 °C		NB
@Temperature -22.0 °F		ISO 179-1eU
Charpy Impact, Notched  1.20 J/cm²
@Thickness 3.00 mm,
Temperature -30.0 °C		5.71 ft-lb/in²
@Thickness 0.118 in,
Temperature -22.0 °F		ISO 7391/b.o.ISO 179-1eA
 6.00 J/cm²
@Thickness 3.00 mm,
Temperature 23.0 °C		28.6 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F		ISO 7391/b.o.ISO 179-1eA
Puncture Energy  50.0 J
@Temperature 23.0 °C		36.9 ft-lb
@Temperature 73.4 °F		complete break; ISO 6603-2
 55.0 J
@Temperature -30.0 °C		40.6 ft-lb
@Temperature -22.0 °F		complete break; ISO 6603-2
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmIEC 60093
Surface Resistance 1.00e+16 ohm1.00e+16 ohmIEC 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
@Thickness 1.00 mm		864 kV/in
@Thickness 0.0394 in		IEC 60243-1
Dissipation Factor  0.00080
@Frequency 100 Hz		0.00080
@Frequency 100 Hz		IEC 60250
 0.0090
@Frequency 1e+6 Hz		0.0090
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 125 V125 Vsolution B; IEC 60112
 225 V225 Vsolution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
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-K1.39 BTU-in/hr-ft²-°Fcross flow; ISO 8302
Hot Ball Pressure Test 135 °C275 °FIEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 134 °C273 °FISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 122 °C252 °FISO 75-1,-2
Vicat Softening Point  144 °C
@Load 5.10 kg		291 °F
@Load 11.2 lb		@ 50°C/h; ISO 306
 145 °C
@Load 5.10 kg		293 °F
@Load 11.2 lb		@ 120°C/h; ISO 306
UL RTI, Electrical 125 °C
@Thickness 1.50 mm		257 °F
@Thickness 0.0591 in
UL RTI, Mechanical with Impact 115 °C
@Thickness 1.50 mm		239 °F
@Thickness 0.0591 in
UL RTI, Mechanical without Impact 125 °C
@Thickness 1.50 mm		257 °F
@Thickness 0.0591 in
Flammability, UL94 V-0
@Thickness 1.50 mm		V-0
@Thickness 0.0591 in		UL 94
Flash Point 460 °C860 °FASTM D1929
Oxygen Index 36 %36 %Method A; ISO 4589-2
Glow Wire Flammability Index  960 °C
@Thickness 0.750 mm		1760 °F
@Thickness 0.0295 in		IEC 60695-2-12
 960 °C
@Thickness 1.50 mm		1760 °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 530 °C986 °FSelf Ignition; ASTM D1929
 
Processing PropertiesMetricEnglishComments
Melt Temperature 280 °C536 °Finjection molding; ISO 294
Mold Temperature 80.0 °C176 °Finjection molding; ISO 294
Injection Velocity 200 mm/sec7.87 in/secinjection molding; ISO 294
 
Descriptive Properties
Application of Flame from small burner (class)K1,F1DIN 53438-1,-3,method K and F; 2.0mm
Burning Rate (mm/min)passed, ISO 3795>=1.0mm, US_FMVSS
Electrolytic Corrosion (rating)A1, IEC 60426
Needle Flame Test (s)120s, IEC 60695-11-5, Method K, 1.5mm
 120s, IEC 60695-11-5, Method K, 2.0 mm
 120s, IEC 60695-11-5, Method K, 3.0 mm
 120s, IEC 60695-11-5, Method F, 1.5 mm
 120s, IEC 60695-11-5, Method F, 2.0mm
 120s, IEC 60695-11-5, Method F, 3.0mm
Puncture Maximum Force (N)5000ISO 6603-2, at 23°C, complete break
 5900ISO 6603-2, at -30°C, complete break

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