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Rulon Bearings

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Envalior Arnite® TV4 261 PBT-GF30, 30% Glass Filled
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled

Material Notes: 30% Glass Reinforced

Former DSM Engineering Plastics product line is now with Envalior.

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Physical PropertiesOriginal ValueComments
Density 1.51 g/ccISO 1183
Water Absorption 0.30 %Sim. ISO 62
Moisture Absorption 0.150 %Humidity; Sim. ISO 62
Viscosity 12 cP
@Shear Rate 100000 1/s,
Temperature 280 °C
 15 cP
@Shear Rate 100000 1/s,
Temperature 250 °C
 20 cP
@Shear Rate 100000 1/s,
Temperature 230 °C
 103 cP
@Shear Rate 1000 1/s,
Temperature 250 °C
 105 cP
@Shear Rate 1000 1/s,
Temperature 280 °C
 200 cP
@Shear Rate 1000 1/s,
Temperature 230 °C
 200 cP
@Shear Rate 10 1/s,
Temperature 280 °C
 300 cP
@Shear Rate 10 1/s,
Temperature 250 °C
 500 cP
@Shear Rate 10 1/s,
Temperature 230 °C
Linear Mold Shrinkage, Flow 0.0033 cm/cmSim. to ISO 294-4
Linear Mold Shrinkage, Transverse 0.012 cm/cmSim. to ISO 294-4
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 145 MPaISO 527-1/-2
Elongation at Break 2.8 %ISO 527-1/-2
Tensile Modulus 9750 MPaISO 527-1/-2
Charpy Impact Unnotched 60.0 kJ/m²
@Temperature -30.0 °C
ISO 179/1eU
 68.0 kJ/m²
@Temperature 23.0 °C
ISO 179/1eU
Charpy Impact, Notched 9.50 kJ/m²
@Temperature 23.0 °C
ISO 179/1eA
 9.50 kJ/m²
@Temperature -30.0 °C
ISO 179/1eA
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+13 ohm-cmIEC 60093
Dielectric Constant 3.7
@Frequency 1e+6 Hz
IEC 60250
 3.9
@Frequency 100 Hz
IEC 60250
Dielectric Strength 30.0 kV/mmIEC 60243-1
Dissipation Factor 0.0025
@Frequency 100 Hz
IEC 60250
 0.017
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index 400 VIEC 60112
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 35.0 µm/m-°CISO 11359-1/-2
CTE, linear, Transverse to Flow 70.0 µm/m-°CISO 11359-1/-2
Melting Point 225 °C10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi) 220 °CISO 72-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 205 °CISO 72-1/-2
Flammability, UL94 HB
@Thickness 1.50 mm
IEC 60695-11-10
 HB
@Thickness 0.710 mm
IEC 60695-11-10
Oxygen Index 20 %ISO 4589-1/-2

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