Polytek TekBoard™ MB-3500 Polyurethane Board

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Polytek TekBoard™ MB-3500 Polyurethane Board
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	TekBoard™ Tooling & Modeling Boards are pre-fabricated, highly machinable, dimensionally stable block materials that assist engineers, model makers, mechanical designers, and prototype developers in meeting the demanding needs of the aerospace, automotive, modeling, and prototyping industries. The Polytek® portfolio includes varying densities of urethane, aluminum-filled urethane and epoxy board materials. TekBoard™ MB-3500 is a gray colored urethane board with a ~48 lb/ft3 density. MB-3500 can replace aluminum and other metals for checking, holding, and assembly fixtures, short run foundry patterns, various prototypes, and design models. Information provided by Polytek
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Physical Properties	Metric	English	Comments

Density	0.769 g/cc	0.0278 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	71 - 75	71 - 75
Tensile Strength	44.99 MPa	6525 psi
Flexural Strength	80.39 MPa	11660 psi
Flexural Modulus	2.325 GPa	337.2 ksi

Thermal Properties	Metric	English	Comments
CTE, linear	52.2 µm/m-°C	29.0 µin/in-°F
Deflection Temperature at 1.8 MPa (264 psi)	93.3 °C	200 °F
Glass Transition Temp, Tg	102 °C	215 °F

Descriptive Properties
Color	Gray

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.

PPTK5099 / 251091

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