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	Original Value	Comments

Density	48.0 lb/ft³

Mechanical Properties	Original Value	Comments
Hardness, Shore D	71 - 75
Tensile Strength	6525 psi
Flexural Strength	11660 psi
Flexural Modulus	337200 psi

Thermal Properties	Original Value	Comments
CTE, linear	29.0 µin/in-°F
Deflection Temperature at 1.8 MPa (264 psi)	200 °F
Glass Transition Temp, Tg	215 °F

Descriptive Properties
Color	Gray

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PPTK5099 / 251091

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