Raschig Group EPOXIDUR® 3581 T-1 EP Epoxy, Molded, Glass Fiber Filler

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Raschig Group EPOXIDUR® 3581 T-1 EP Epoxy, Molded, Glass Fiber Filler
Categories:	Polymer; Thermoset; Epoxy; Epoxy, Molded, Glass Fiber Filler
Material Notes:	Glass-fiber reinforced and inorganically filled epoxy molding compound. Good mechanical strength, very good electrical isolation properties and dimensional stability even at high temperatures. Very good sealing connection on metal and EPOXIDUR EP 3581 T-1 part surfaces. Sensor encapsulation in the automobile industry. 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: Injection and compression molding Information provided by Raschig Group
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Physical Properties	Original Value	Comments

Specific Gravity	1.93 - 1.98 g/cc	ISO 1183
Apparent Bulk Density	0.0800 - 0.0900 g/cc	ISO 60
Water Absorption	<= 0.10 % @Temperature 23.0 °C, Time 86400 sec	ISO 62
Linear Mold Shrinkage, Flow	0.0040 - 0.0060 cm/cm	Injection and Compression; ISO 2577

Mechanical Properties	Original Value	Comments
Tensile Strength	70.0 - 90.0 MPa	Injection and Compression; ISO 527
Modulus of Elasticity	15.0 - 18.0 GPa	Injection and Compression; ISO 527
Flexural Strength	140 - 160 MPa	Injection and Compression; ISO 178
Flexural Modulus	15.0 - 20.0 GPa	Injection and Compression; ISO 178
Compressive Strength	200 - 250 MPa	ISO 604
Charpy Impact Unnotched	12.0 - 14.0 kJ/m²	Injection and Compression; ISO 179/1eU
Charpy Impact, Notched	2.00 - 4.00 kJ/m²	Injection and Compression; ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 - 1.00e+15 ohm-cm	IEC 60093
Surface Resistance	1.00e+13 - 1.00e+14 ohm	IEC 60093
Dielectric Constant	4.0 - 6.0 @Frequency 1e+6 Hz	IEC 60250
	5.0 - 7.0 @Frequency 100 Hz	IEC 60250
Dielectric Strength	25.0 - 35.0 kV/mm	IEC 60243-1
Dissipation Factor	0.010 - 0.030 @Frequency 1e+6 Hz	IEC 60250
	0.030 - 0.050 @Frequency 100 Hz	IEC 60250
Arc Resistance	180 - 240 sec	ASTM D495
Comparative Tracking Index	250 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	15.0 - 20.0 µm/m-°C @Temperature 50.0 - 150 °C	ISO 11359-2
Thermal Conductivity	0.400 - 0.600 W/m-K	ASTM E1461
Maximum Service Temperature, Air	180 °C @Time 7.20e+7 sec	IEC 60216/T1
	250 °C @Time <=180000 sec	IEC 60216/T1
Deflection Temperature at 1.8 MPa (264 psi)	>= 200 °C	ISO 75-A
Deflection Temperature at 8.0 MPa	160 - 180 °C	ISO 75-C
Flammability, UL94	HB @Thickness 1.60 mm
Shrinkage	<= 0.050 % @Temperature 110 °C, Time 605000 sec	Post shrinkage; ISO 2577

Processing Properties	Original Value	Comments
Shelf Life	6.00 Month @Temperature <=15.0 °C

Descriptive Properties
Glow wire flammability test	900/1	IEC 60695 2-12
Glow wire ignitability test	900/1	IEC 60695 2-13
Water Absorption	<10 mg	24 hr, 23°C; ISO 62

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