Menzolit Menzolit® SMC 2500 Unsaturated Polyester UP

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Menzolit Menzolit® SMC 2500 Unsaturated Polyester UP
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass SMC
Material Notes:	SMC 2500 is a special SMC for high voltage isolating applications. The glass level has been selected to combine good mouldability with good strength and stiffness properties. Even without a specific fire retardant, the fire retardancy level HB according to UL 94 is achieved. The electrical properties have been improved to achieve high isolating properties. When moulding this material, a high moulding pressure is very important. Only highly densified material guaranties the high isolating properties. Typical applications are isolating components and functional components within high voltage power systems. The material can be used within a SF6 atmosphere. Information Provided by Menzolit
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Physical Properties	Original Value	Comments

Density	1.80 g/cc	ISO 1183
Water Absorption	<= 0.30 %	ISO 62
Linear Mold Shrinkage	0.00050 cm/cm	ISO 2577

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	60.0 MPa @Temperature 22.0 °C	25 mm flat samples, compression molded; ISO 527-4
Tensile Strength, Yield	60.0 MPa @Temperature 22.0 °C	25 mm flat samples, compression molded; ISO 527-4
Elongation at Break	0.00 %	ISO 527-4
Modulus of Elasticity	11.0 GPa	25 mm flat samples, compression molded; ISO 527-4
Flexural Strength	145 MPa @Temperature 22.0 °C	25 mm wide 100 mm long, flat samples; ISO 14125
Flexural Modulus	9.00 GPa @Temperature 22.0 °C	25 mm wide 100 mm long, flat samples; ISO 14125
Poissons Ratio	0.30
Shear Modulus	4.20 GPa	in plane
Charpy Impact, Notched	6.50 J/cm²	ISO 179

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+16 ohm-cm	IEC 60093
Surface Resistance	1.00e+13 ohm	IEC 60093
Dielectric Constant	4.0	IEC 60250
Dielectric Strength	36.0 kV/mm	IEC 60243-1
Dissipation Factor	0.010	IEC 60250
Comparative Tracking Index	600 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	12.0 µm/m-°C	ISO 11359-2
Specific Heat Capacity	1.10 J/g-°C
Thermal Conductivity	0.700 W/m-K
Maximum Service Temperature, Air	165 °C
Deflection Temperature at 1.8 MPa (264 psi)	>= 200 °C	ISO 75-2
Minimum Service Temperature, Air	-40.0 °C
Glass Transition Temp, Tg	170 °C	ISO 11357-2
Flammability, UL94	HB @Thickness 3.00 mm
Oxygen Index	22 %	ISO 4589-2
Glow Wire Flammability Index	750 °C	IEC 60695-2-12

Processing Properties	Original Value	Comments
Processing Temperature	135 - 150 °C	Compression molding, matched metal die

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