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Bakelite® PF 31

Description

Phenolic moulding compound, mainly organically filled, standard moulding compound for normal stress, UL listed moulding compound 1.5 mm / V-1 (ALL), 3.0 mm / V-0 (ALL), standardized moulding compound

Application

Mouldings of all kinds from screw caps to large casings, electrical installation material, handle casings (bars), pan handles, operating elements, toaster parts and pistons for braking power energizers, carbon brush holders, lamp casing parts, decor items, ashtrays

Typical Properties

Property Standard Value Unit Test Method
Additional Characteristic UL
Apparent Density Moulding Compound ISO 60 0.65 g/cm³
Ball Indentation Hardness H961/30 ISO 2039/P1 300 MPa
Charpy Impact Strength 23°C ISO 179-1 eU 7 kJ/m²
Charpy Notched Impact Strength 23°C ISO 179-1 eA 1.5 kJ/m²
Compression - Moulding shrinkage ISO 2577 0.45 %
Compression - Post shrinkage ISO 2577 0.45 %
Compressive Strength Test Specimen Flat Tested ISO 604 250 MPa
Density 23°C ISO 1183 1.42 g/cm³
Dissipation Factor 100 Hz IEC 60250 .3
Electric Strength 1mm Thickness, Short Term, Electrode Layout P25mm/P25mm in Transformer Oil Equivalent to IEC 60296 IEC 60243-P1 22.5 kV/mm
Flammability UL 94 UL 94 V-1 / 1,5mm (ALL); V-0 / 3,0mm (ALL) Step/mm
Flexural Modulus ISO 178 7500 MPa
Flexural Strength 2 mm/min ISO 178 95 MPa
Injection - Moulding Shrinkage ISO 2577 0.85 %
Injection - Post Shrinkage ISO 2577 0.55 %
Proof Tracking Index Test Liquid A IEC 60112 125 PTI
Relative Permittivity 100 Hz IEC 60250 11.0
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 7500 MPa
Tensile Strength 5 mm/min ISO 527 - 1/2 50 MPa
Volume Resistivity IEC 60093 1E+11 Ohm*cm
Water Absorption 24h / 23°C ISO 62 65 mg

 
 
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