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Rulon Bearings

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BASF Ultramid® KR 4355 G7 BK 00564 35% Glass Filled PA6/6T (Dry)
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 6 (PA6); Nylon 6, 40% Glass Fiber Filled

Material Notes: Description: 35% 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 automotive valve housings.

Information provided by BASF

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Physical PropertiesOriginal ValueComments
Bulk Density 0.500 - 0.800 g/cc
Density 1.43 g/ccISO 1183
Moisture Absorption at Equilibrium 0.80 - 1.2 %23°C; 50% RH; ISO 62
Water Absorption at Saturation 4.3 - 5.3 %ISO 62
Viscosity Measurement 130ISO 307
Linear Mold Shrinkage 0.0035 cm/cmrestricted
Linear Mold Shrinkage, Flow 0.0030 cm/cmISO 2577
 0.0033 cm/cmTM=320°C, TW=100°C
Linear Mold Shrinkage, Transverse 0.010 cm/cmISO 2577
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 210 MPa50 mm/min; ISO 527-1/-2
Elongation at Yield 3.0 %50 mm/min; ISO 527-1/-2
Modulus of Elasticity 12.0 GPaISO 527-1/-2
Charpy Impact Unnotched 100 kJ/m²
@Temperature 23.0 °C
ISO 179/1eU
Charpy Impact, Notched 17.0 kJ/m²
@Temperature 23.0 °C
ISO 179/1eA
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+13 ohm-cmIEC 60093
Dielectric Constant 4.2
@Frequency 1e+6 Hz
IEC 60250
Dissipation Factor 0.020
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index 600 VTest solution A; IEC 60112
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 50.0 - 60.0 µm/m-°C
@Temperature 23.0 - 80.0 °C
DIN 11359-1/-2
CTE, linear, Transverse to Flow 15.0 µm/m-°C
@Temperature 23.0 - 80.0 °C
DIN 11359-1/-2
Thermal Conductivity 0.280 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
Deflection Temperature at 1.8 MPa (264 psi) 270 °CISO 75-1/-2
Decomposition Temperature >= 350 °C
Flammability, UL94 HB
@Thickness 1.60 mm
Ignition Temperature >= 470 °CASTM D1929
 
Processing PropertiesOriginal ValueComments
Processing Temperature 80.0 °CHopper Throat
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
Peripheral Screw Speed<0.3 m/s

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