Mar-Bal AltraSet MB5500 Thermoset Polyester - Superior Heat Resistance Grade

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Mar-Bal AltraSet MB5500 Thermoset Polyester - Superior Heat Resistance Grade
Categories:	Polymer; Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	MB5500 provides a superior heat resistant material for applications with a UL RTI rating of 160°C-170°C. Key features include 160°C/170°C RTI as well as rated UL 94 5VA @2.3mm. UL file number E80533 Information provided by Mar-Bal, Inc.
Vendors:	Mar-Bal is the leading integrated compounder and molder of BMC Thermoset composite products and value added finishing services. Call 440-543-7526 or visit Mar-Bal.com Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	1.75 - 1.80 g/cc	0.0632 - 0.0650 lb/in³	ASTM D792
Water Absorption	0.12 %	0.12 %	ASTM D570
Linear Mold Shrinkage	0.0050 - 0.020 cm/cm	0.0050 - 0.020 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Barcol	35 - 45	35 - 45	ASTM D2583
Tensile Strength	41.4 - 55.2 MPa	6000 - 8000 psi	ASTM D638
Flexural Strength	117 - 131 MPa	17000 - 19000 psi	ASTM D790
Flexural Modulus	11.0 - 12.4 GPa	1600 - 1800 ksi	ASTM D790
Compressive Strength	89.6 - 103 MPa	13000 - 15000 psi	ASTM D695
Izod Impact, Notched	4.27 - 5.34 J/cm	8.00 - 10.0 ft-lb/in	ASTM D256

Electrical Properties	Metric	English	Comments
Dielectric Strength	13.8 kV/mm	350 kV/in	ASTM D149
Arc Resistance	>= 185 sec	>= 185 sec	ASTM D495
Track Resistance	>= 60000 sec	>= 60000 sec	Inclined-Plane Tracking; ASTM D2303-85

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	>= 260 °C	>= 500 °F	ASTM D648
UL RTI, Electrical	160 °C	320 °F	UL746B
UL RTI, Mechanical with Impact	160 °C	320 °F	UL746B
UL RTI, Mechanical without Impact	170 °C	338 °F	UL746B
Flammability, UL94	V-0 @Thickness 1.30 mm	V-0 @Thickness 0.0512 in
	5VA @Thickness 2.30 mm	5VA @Thickness 0.0906 in

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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