BCC Products Proto-Kast BC 8163 Urethane Casting

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BCC Products Proto-Kast BC 8163 Urethane Casting
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	BC 8163 is a very low viscosity, rapid setting, rigid urethane compound. This system will cure quickly to a hard, tough, impact resistant casting. BC 8163 is non-sensitive to moisture after cure and will readily bond to itself if stage pours are required. The one-to-one volume mix ratio makes the system readily adaptable for machine mixing and dispensing. BC 8163 is recommended in applications where a "thermoplastic feel" is desired. Information provided by BCC Products, Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.07 g/cc	1.07 g/cc
Brookfield Viscosity	50 cP @Temperature 23.9 °C	50 cP @Temperature 75.0 °F	Part A
	100 - 150 cP @Temperature 25.0 °C	100 - 150 cP @Temperature 77.0 °F	Part B
Linear Mold Shrinkage	0.0029 cm/cm	0.0029 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	73 - 83 @Temperature 23.9 °C	73 - 83 @Temperature 75.0 °F
Tensile Strength, Ultimate	38.6 MPa	5600 psi	ASTM D638
Elongation at Break	3.5 %	3.5 %	ASTM D790
Flexural Strength	54.30 MPa	7875 psi	ASTM D790
Flexural Modulus	15.2 GPa	2200 ksi	ASTM D 790
Compressive Strength	27.48 MPa	3985 psi
Izod Impact, Notched	0.801 J/cm	1.50 ft-lb/in	ASTM D256

Thermal Properties	Metric	English	Comments
CTE, linear	238 µm/m-°C	132 µin/in-°F	ASTM 696
Heat Distortion Temperature	57.2 °C	135 °F	ASTM D648

Processing Properties	Metric	English	Comments
Cure Time	20.0 - 60.0 min @Temperature 24.0 °C	0.333 - 1.00 hour @Temperature 75.2 °F	demold time
	10080 min @Temperature 25.0 °C	168.0 hour @Temperature 77.0 °F	full cure
Pot Life	2.0 - 2.5 min @Temperature 24.0 °C	2.0 - 2.5 min @Temperature 75.2 °F	1 lb. mass

Descriptive Properties
Mix Ratio	100:96 by weight or 1:1 volume

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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PBCC052 / 107279

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