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Rulon Bearings

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Haysite Ultratrac® H950 Glass Reinforced Polyester Sheet, Electrical Grade (GPO3)
Categories: Polymer; Thermoset; Composite SMC; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass SMC

Material Notes: This new generation of high performance material meets or exceeds all requirements for NEMA GPO-2 or GPO-3. ULTRATRAC ® H950 is recognized by U.L. as a 94V-0 material and offers greater arc and track protection with no increase in cost. Testing at an independent laboratory shows H950 to be non- toxic as defined by MIL M-14H. Excellent flame resistance and low smoke generation is also characteristic of this material. ULTRATRAC® H950 carries a U.L. thermal recognition of 160ºC electrical/150ºC mechanical. This is the highest rating ever assigned to a flame retardant glass polyester laminate. Applications are typical for GPO-3 materials, but also include components for transportation applications where flame, smoke, and toxicity is of great concern.

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Physical PropertiesOriginal ValueComments
Density 1.80 g/ccASTM D572
Water Absorption 0.20 %ASTM D570
 
Mechanical PropertiesOriginal ValueComments
Hardness, Barcol 62
Tensile Strength, Ultimate 76.0 MPa
Flexural Strength 172 MPa
Flexural Modulus 10.0 GPa
Compressive Strength 207 MPa
Shear Strength 97.0 MPaASTM D732
Izod Impact, Notched 5.10 J/cmedgewise; ASTM D256
 
Electrical PropertiesOriginal ValueComments
Dielectric Constant 5.2
@Frequency 60 Hz
ASTM D150
Dielectric Strength 21.0 kV/mm
@Thickness 1.59 mm
Perpendicular, Short Time in Oil and Air; ASTM D149
Dissipation Factor 0.060
@Frequency 60 Hz
ASTM D150
Arc Resistance 194 secASTM D495
Comparative Tracking Index >= 600 V
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 160 °CApproximate temperature class
UL RTI, Electrical 160 °C
UL RTI, Mechanical with Impact 150 °C
UL RTI, Mechanical without Impact 150 °C
Flammability, UL94 V-0File No.E81893

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