Polynt BMC RF 9/20 Bulk Molding Compound

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Polynt BMC RF 9/20 Bulk Molding Compound
Categories:	Polymer; Thermoset; Polyester, TS
Material Notes:	BMC RF 9/20 is a bulk molding compound based on an unsaturated polyester resin, fire retardant grade, halogen-free, reinforced with glass fibers. This BMC has been developed for railway electrical application. Good mechanical properties and good fire protection grade are combined into the BMC RF 9/20 . BMC RF 9/20 complies with NF F 16-101. BMC RF 9/20 is formulated according to RoHS, REAC regulation (SVHC) and WEEE European legislation. Information provided by Polynt Composites.
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Physical Properties	Original Value	Comments

Density	1.80 g/cc	ISO 1183
Filler Content	20 %
Water Absorption	<= 0.20 %	ISO 62 Met. 1
Linear Mold Shrinkage	0.0010 cm/cm	ISO 2577

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	80	ISO 2039-2
Flexural Strength	90.0 MPa	ISO 14125A
Flexural Modulus	10000 MPa	ISO 14125A
Charpy Impact Unnotched	30.0 kJ/m²	ISO 179

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+14 ohm	IEC 60093
Dielectric Strength	>= 16.0 kV/mm	IEC 243
Arc Resistance	>= 180 sec	ASTM D 495

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 200 °C	ISO 75-2
Flammability, UL94	V-0 @Thickness 3.00 mm
Glow Wire Flammability Index	960 °C	IEC 695-2-1

Processing Properties	Original Value	Comments
Mold Temperature	140 - 160 °C
Hold Pressure	870 - 1595 psi	Molding pressure

Descriptive Properties
Molding time	30 s/mm

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PPOLYN9103 / 231698

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