Raschig Group DECAL® 937 Phenolic

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Raschig Group DECAL® 937 Phenolic
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Mica reinforced phenolic molding compound. This product meets the allowed upper limits for heavy metals and PCAs and also conforms to the requirements of the EU directives 2002/95 (RoHS), 2002/96 (WEEE) and 2006/122 (PFOS) Processing: Compression molding Applications: Commutators Information provided by Raschig Group
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Physical Properties	Original Value	Comments

Specific Gravity	1.65 - 1.75 g/cc	ISO 1183
Apparent Bulk Density	0.700 - 0.900 g/cc	ISO 60
Water Absorption	<= 0.10 % @Temperature 23.0 °C, Time 86400 sec	ISO 62
Linear Mold Shrinkage, Flow	0.0030 - 0.0050 cm/cm	Compression; ISO 2577

Mechanical Properties	Original Value	Comments
Tensile Strength	20.0 - 40.0 MPa	Compression; ISO 527
Modulus of Elasticity	5.00 - 7.00 GPa	Compression; ISO 527
Flexural Strength	50.0 - 70.0 MPa	Compression; ISO 178
Flexural Modulus	10.0 - 13.0 GPa	Compression; ISO 178
Compressive Strength	100 - 150 MPa	ISO 604
Charpy Impact Unnotched	2.00 - 4.00 kJ/m²	Compression; ISO 179/1eU
Charpy Impact, Notched	1.50 - 3.50 kJ/m²	Compression; ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+12 - 1.00e+13 ohm-cm	IEC 60093
Surface Resistance	1.00e+10 - 1.00e+11 ohm	IEC 60093
Dielectric Constant	4.0 - 6.0 @Frequency 1e+6 Hz	IEC 60250
	6.0 - 8.0 @Frequency 100 Hz	IEC 60250
Dielectric Strength	20.0 - 30.0 kV/mm	IEC 60243-1
Dissipation Factor	0.010 - 0.020 @Frequency 1e+6 Hz	IEC 60250
	0.10 - 0.20 @Frequency 100 Hz	IEC 60250
Arc Resistance	180 - 240 sec	ASTM D495
Comparative Tracking Index	>= 225 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	10.0 - 15.0 µm/m-°C @Temperature 50.0 - 150 °C	ISO 11359-2
Thermal Conductivity	0.400 - 0.600 W/m-K	ASTM E1461
Deflection Temperature at 1.8 MPa (264 psi)	>= 200 °C	ISO 75-A
Deflection Temperature at 8.0 MPa	>= 180 °C	ISO 75-C
Flammability, UL94	V-0 @Thickness 1.50 mm
Shrinkage	0.10 - 0.20 % @Temperature 110 °C, Time 605000 sec	Post shrinkage; ISO 2577

Processing Properties	Original Value	Comments
Shelf Life	6.00 Month @Temperature 20.0 - 30.0 °C

Descriptive Properties
Glow wire flammability test	960/1	IEC 60695 2-12
Glow wire ignitability test	960/1	IEC 60695 2-13
Water Absorption	<10 mg	24 hr, 23°C; ISO 62

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