Bakelite® Keripol® RFT 1221 Polyester Molding Compound, Low Coefficient of Friction, High Surface Quality, Low Shrinkage, UL Listed

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Bakelite® Keripol® RFT 1221 Polyester Molding Compound, Low Coefficient of Friction, High Surface Quality, Low Shrinkage, UL Listed
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	Polyester molding compound, reinforced with cotton fibers, abrasion resistant, UL listed molding compound 1,5 mm / V-0 (ALL). Applications: Contactor cross bar and housing.
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Physical Properties	Original Value	Comments

Density	1.68 g/cc	ISO 1183
Apparent Bulk Density	0.550 g/cc	ISO 60
Linear Mold Shrinkage	0.0030 cm/cm	Compression Molding. Post Shrinkage = 0.05%.; ISO 2577

Mechanical Properties	Original Value	Comments
Flexural Strength	100 MPa	ISO 178
Flexural Modulus	9000 MPa	ISO 178
Charpy Impact Unnotched	9.50 kJ/m²	ISO 179-1 eU
Charpy Impact, Notched	2.50 kJ/m²	ISO 179-1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+13 ohm-cm
Surface Resistance	1.00e+12 ohm
Dielectric Constant	4.5 @Frequency 100 Hz
Dissipation Factor	0.030 @Frequency 100 Hz
Arc Resistance	180 - 240 sec @Thickness 3.00 mm	ALL
High Voltage Arc Resistance to Ignition (HVAR)	>= 300 sec @Thickness 1.50 mm	(ALL)
Comparative Tracking Index	600 V
Hot Wire Ignition, HWI	60 - 120 sec @Thickness 1.50 mm	(ALL)
	>= 120 sec @Thickness 3.00 mm	ALL
High Amp Arc Ignition, HAI	>= 120 arcs @Thickness 1.50 mm	(ALL)
High Voltage Arc-Tracking Rate, HVTR	0.000 - 10.0 mm/min @Thickness 3.00 mm	ALL

Thermal Properties	Original Value	Comments
Deflection Temperature at 8.0 MPa	90.0 °C	ISO 75-2
UL RTI, Electrical	105 °C @Thickness 1.50 mm	(ALL)
UL RTI, Mechanical with Impact	130 °C @Thickness 1.50 mm	(ALL)
UL RTI, Mechanical without Impact	130 °C @Thickness 1.50 mm	(ALL)
Flammability, UL94	V-0 @Thickness 1.50 mm	All colors

Descriptive Properties
Water absorption (mg)	40	24h / 23°C

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PBAKE060 / 27094

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