Raschig Group AMPLA® 7500 melamine-modified polyester

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Raschig Group AMPLA® 7500 melamine-modified polyester
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Polyester, TS
Material Notes:	Organically and inorganically filled melamine modified Polyester molding compound. Low post-shrinkage, very good electrical values, excellent heat resistance, very good sliding behavior and wear stability, excellent elasticity. 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 Applications: Moulded parts in electrical engineering, mainly electromechanical parts like Contact breakers, Relays, Switches, Contact terminals Information provided by the Raschig Group
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Physical Properties	Original Value	Comments

Specific Gravity	1.60 - 1.70 g/cc	ISO 1183
Apparent Bulk Density	0.700 - 0.900 g/cc	ISO 60
Water Absorption	<= 1.4 % @Temperature 23.0 °C, Time 86400 sec	ISO 62
Linear Mold Shrinkage	0.0070 - 0.010 cm/cm	Compression; ISO 2577
	0.0090 - 0.012 cm/cm	Injection; ISO 2257

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	30.0 - 50.0 MPa	Compression; ISO 527
	50.0 - 60.0 MPa	Injection; ISO 527
Modulus of Elasticity	4.00 - 6.00 GPa	Compression; ISO 527
	5.00 - 7.00 GPa	Injection; ISO 527
Flexural Strength	70.0 - 90.0 MPa	Compression; ISO 178
	90.0 - 110 MPa	Injection; ISO 178
Flexural Modulus	6.00 - 8.00 GPa	Injection and Compression; ISO 178
Compressive Strength	150 - 200 MPa	ISO 604
Charpy Impact Unnotched	1.00 - 1.20 J/cm² @Temperature 23.0 °C	Compression; ISO 179/ 1eU
	1.20 - 1.40 J/cm² @Temperature 23.0 °C	Injection; ISO 179/ 1eU
Charpy Impact, Notched	0.200 - 0.300 J/cm²	Injection and Compression; ISO 179/ 1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+11 - 1.00e+12 ohm-cm	IEC 60093
Surface Resistance	1.00e+10 - 1.00e+11 ohm	IEC 60093
Dielectric Constant	4.0 - 5.0 @Frequency 1e+6 Hz	IEC 6025
	5.0 - 7.0 @Frequency 100 Hz	IEC 60250
Dielectric Strength	30.0 - 40.0 kV/mm	IEC 60243-1
Dissipation Factor	0.030 - 0.050 @Frequency 1e+6 Hz	IEC 6025
	0.10 - 0.20 @Frequency 100 Hz	IEC 60250
Comparative Tracking Index	600 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	20.0 - 30.0 µm/m-°C @Temperature 50.0 - 100 °C	ISO 11359-2
Thermal Conductivity	0.600 - 0.700 W/m-K	ASTM E1461
Maximum Service Temperature, Air	140 °C	20,000 h; IEC 216/T1
	190 °C	< 50 h; IEC 216/T1
Deflection Temperature at 1.8 MPa (264 psi)	180 - 200 °C	Injection; ISO 75-A
Deflection Temperature at 8.0 MPa	80.0 - 100 °C	Injection; ISO 75-C
Flammability, UL94	V-0 @Thickness 1.40 mm
Shrinkage	0.20 - 0.40 % @Temperature 110 °C, Time 605000 sec	Post shrinkage; ISO 2577

Processing Properties	Original Value	Comments
Shelf Life	6.00 Month @Temperature 15.0 - 25.0 °C

Descriptive Properties
Arc resistance	4 Stufe	ASTM D495
Glow wire ignitability test	825/1	IEC 60695 2-13
Glow-wire flammability test	960/1	IEC 60695 2-12
Water Absorption	<80 mg	ISO 62; 24h / 23°C

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PRASCH36 / 65321

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