Bakelite® Keripol® RZ 1141 Polyester Molding Compound, High Surface Quality

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Bakelite® Keripol® RZ 1141 Polyester Molding Compound, High Surface Quality (discontinued **)
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	Polyester molding compound, organically/inorganically filled, glass fiber reinforced, styrene free, very slight post shrinkage, processing shrinkage as for phenolic molding compounds, high surface quality. Application areas: Oven strips.
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Physical Properties	Original Value	Comments

Density	1.88 g/cc	ISO 1183
Apparent Bulk Density	0.810 g/cc	ISO 60
Linear Mold Shrinkage, Flow	0.0055 cm/cm	Compression molding; ISO 2577

Mechanical Properties	Original Value	Comments
Flexural Strength	95.0 MPa	2 mm/min; ISO 178
Flexural Modulus	9.50 GPa	ISO 178
Charpy Impact Unnotched	0.750 J/cm² @Temperature 23.0 °C	ISO 179-1/2 eU
Charpy Impact, Notched	0.160 J/cm² @Temperature 23.0 °C	ISO 179-1/2 eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+13 ohm-cm	IEC 60093
Surface Resistance	1.00e+12 ohm	IEC 60093
Dielectric Constant	6.0 @Frequency 100 Hz	IEC 60250
Dielectric Strength	25.0 kV/mm @Thickness 1.00 mm	IEC 60243-P1
Dissipation Factor	0.017 @Frequency 100 Hz	IEC 60250
Comparative Tracking Index	600 V	Test liquid A; IEC 60112

Thermal Properties	Original Value	Comments
Deflection Temperature at 8.0 MPa	95.0 °C	ISO 75-2
Shrinkage	0.20 % @Temperature 110 °C	Compression molding; ISO 2577

Descriptive Properties
Moisture Absorption	80 mg	ISO 62, 24 hours at 23°C

**
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