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Bakelite® PF 51

Description

Phenolic moulding compound, organically filled, reinforced with cotton fibres, increased notched impact strength.

Application

Contact support power switch, switch covers, magnetic switches, pulleys, tension/deflection pulleys, covers, handwheels

Typical Properties

Property Standard Value Unit Test Method
Additional Characteristic Z, P
Apparent Density Moulding Compound ISO 60 0.6 g/cm³
Ball Indentation Hardness H961/30 ISO 2039/P1 280 MPa
Charpy Impact Strength 23°C ISO 179-1 eU 7 kJ/m²
Charpy Notched Impact Strength 23°C ISO 179-1 eA 2.7 kJ/m²
Compression - Moulding shrinkage ISO 2577 0.45 %
Compression - Post shrinkage ISO 2577 0.55 %
Compression Strength Test Specimen Flat Tested ISO 604 250 MPa
Density 23°C ISO 1183 1.42 g/cm³
Dissipation Factor 100 Hz IEC 60250 0.25
Electric Strength 1mm Thickness, Short Term, Electrode Layout P25mm/P25mm in Transformer Oil Equivalent to IEC 60296 IEC 60243-P1 9.5 kV/mm
Flammability UL 94 UL 94 0 Step/mm
Flexural Modulus ISO 178 8000 MPa
Flexural Strength 2 mm/min ISO 178 90 MPa
Injection - Moulding Shrinkage ISO 2577 0.8 %
Injection - Post Shrinkage ISO 2577 0.5 %
Proof Tracking Index Test Liquid A IEC 60112 125 PTI
Relative Permittivity 100 Hz IEC 60250 16.5
Surface Resistivity IEC 60093 1E+10 Ohm
Temp. of Deflection Under Load HDT C-8,0 MPa ISO 75-2 120 °C
Tensile Modulus 1mm Thickness, Short Term, Electrode Layout P25mm/P25mm in Transformer Oil Equivalent to IEC 60296 ISO 527 - 1/2 0 MPa
Tensile Strength 5 mm/min ISO 527 - 1/2 0 MPa
Volume Resistivity IEC 60093 1E+11 Ohm*cm
Water Absorption 24h / 23°C ISO 62 85 mg