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Rulon Bearings

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BASF Ultramid® KR 4355 G5 BK 00564 25% Glass Filled PA6/6T (Conditioned)
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 6 (PA6); Nylon 6, 30% Glass Fiber Filled

Material Notes: Description: 25% glass-fiber reinforced product for injection-molding; high toughness, strength and stiffness, low water absorption, high melting point (295°C [563°F]). The mechanical properties remain constant after moisture absorption up to a temperature of 60°C [140°F], for instance, for brush collars (electric motors).

Information provided by BASF

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Physical PropertiesOriginal ValueComments
Bulk Density 0.500 - 0.800 g/cc
Density 1.35 g/ccISO 1183
Moisture Absorption at Equilibrium 1.1 - 1.5 %23°C; 50% RH; ISO 62
Water Absorption at Saturation 5.0 - 6.0 %ISO 62
Viscosity Measurement 130ISO 307
Linear Mold Shrinkage 0.0039 cm/cmrestricted
Linear Mold Shrinkage, Flow 0.0045 cm/cmISO 2577
Linear Mold Shrinkage, Transverse 0.010 cm/cmISO 2577
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 170 MPa50 mm/min; ISO 527-1/-2
Tensile Creep Modulus, 1000 hours 6500 MPa
@Strain <=0.5 %
ISO 899-1
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+12 ohm-cmIEC 60093
Surface Resistance 1.00e+12 ohmIEC 60093
Dielectric Constant 4.5
@Frequency 1e+6 Hz
IEC 60250
Dielectric Strength 31.0 kV/mmIEC 60243-1
Dissipation Factor 0.040
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index 600 VTest solution A; IEC 60112
 
Thermal PropertiesOriginal ValueComments
Thermal Conductivity 0.250 W/m-KDIN 52612
Melting Point 295 °CDIN 53765
Maximum Service Temperature, Air 135 °Cfor 50% loss of tensile strength after 20000hr
 160 °Cfor 50% loss of tensile strength after 5000hr
 270 °C
Decomposition Temperature >= 350 °C
Ignition Temperature >= 470 °CASTM D1929
 
Processing PropertiesOriginal ValueComments
Zone 1 300 °CFeed Zone
Zone 2 310 °CCompression
Zone 3 320 °CMetering-zone
Zone 4 320 °CNozzle
Melt Temperature 310 - 330 °CInjection-molding/Extrusion
 320 °COptimal
Mold Temperature 80.0 - 120 °CInjection-molding
 100 °COptimal
Drying Temperature 110 °C
Dry Time 8 hour
Moisture Content <= 0.030 %Optimal
 <= 0.15 %
 
Descriptive Properties
ColorBK 00564
Commercial StatusEurope

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