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Rulon Bearings

BASF Ultramid® KR 4355 G10 BK 23215 50% Glass Filled PA6/6T (Conditioned)
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 6 (PA6); Nylon 6, 50% Glass Fiber Filled

Material Notes: Description: 50% glass-fiber reinforced product for injection molding; high toughness and rigidity; low water absorption, high melting point (285°C); mechanical properties remain constant up to 60°C after moisture absorption; suitable e.g. for valve housings.

Information provided by BASF

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Physical PropertiesMetricEnglishComments
Bulk Density 0.500 - 0.800 g/cc0.0181 - 0.0289 lb/in³
Density 1.62 g/cc0.0585 lb/in³ISO 1183
Moisture Absorption at Equilibrium 0.40 - 0.80 %0.40 - 0.80 %23°C; 50% RH; ISO 62
Water Absorption at Saturation 3.5 - 4.5 %3.5 - 4.5 %ISO 62
Viscosity Measurement 135135ISO 307
Linear Mold Shrinkage 0.0029 cm/cm0.0029 in/inrestricted
Linear Mold Shrinkage, Flow 0.0027 cm/cm0.0027 in/inTM=320°C, TW=100°C
 0.0030 cm/cm0.0030 in/inISO 2577
Linear Mold Shrinkage, Transverse 0.0090 cm/cm0.0090 in/inISO 2577
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 190 MPa27600 psi50 mm/min; ISO 527-1/-2
Elongation at Yield 2.5 %2.5 %ISO 527-1/-2
Modulus of Elasticity 16.0 GPa2320 ksiISO 527-1/-2
Charpy Impact Unnotched  7.50 J/cm²
@Temperature -30.0 °C
35.7 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eU
 8.00 J/cm²
@Temperature 23.0 °C
38.1 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eU
Tensile Creep Modulus, 1000 hours 10500 MPa
@Strain <=0.5 %
1.52e+6 psi
@Strain <=0.5 %
ISO 899-1
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+14 ohm-cm1.00e+14 ohm-cmIEC 60093
Surface Resistance >= 1.00e+16 ohm>= 1.00e+16 ohmIEC 60093
Dielectric Constant 4.8
@Frequency 1e+6 Hz
4.8
@Frequency 1e+6 Hz
IEC 60250
Dielectric Strength 31.0 kV/mm787 kV/inIEC 60243-1
Dissipation Factor 0.030
@Frequency 1e+6 Hz
0.030
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index 600 V600 VTest solution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity 1.00 J/g-°C0.239 BTU/lb-°F
Thermal Conductivity 0.320 W/m-K2.22 BTU-in/hr-ft²-°FDIN 52612
Melting Point 285 °C545 °FDIN 53765
Maximum Service Temperature, Air 145 °C293 °Ffor 50% loss of tensile strength after 20000hr
 170 °C338 °Ffor 50% loss of tensile strength after 5000hr
 260 °C500 °F
 
Processing PropertiesMetricEnglishComments
Processing Temperature 80.0 °C176 °FHopper Throat
Zone 1 300 °C572 °FFeed Zone
Zone 2 310 °C590 °FCompression
Zone 3 320 °C608 °FMetering-zone
Zone 4 320 °C608 °FNozzle
Melt Temperature 310 - 330 °C590 - 626 °FInjection-molding/Extrusion
 320 °C608 °FOptimal
Mold Temperature 80.0 - 120 °C176 - 248 °FInjection-molding
 100 °C212 °FOptimal
Drying Temperature 110 °C230 °F
Dry Time 8 hour8 hour
Moisture Content <= 0.030 %<= 0.030 %Optimal
 <= 0.15 %<= 0.15 %
 
Descriptive Properties
ColorBK 23215
Commercial StatusEurope
Peripheral Screw Speed<0.3 m/s

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