BCC Products BC 8782 Urethane Casting

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BCC Products BC 8782 Urethane Casting
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	BC 8782 produces a high impact rigid 82 Shore D material that is commonly used to make clear or tinted castings of all kinds. When used at room temperature castings 1/8" thick or larger can be readily cast. Castings that are less than 1/8" thick generally require a mild post-cure. This system is not recommended for use with tin cure silicones. Information provided by BCC Products, Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.04 g/cc	1.04 g/cc
Brookfield Viscosity	550 cP	550 cP	Part B
	650 cP	650 cP	Mixed
	600 cP @Temperature 25.0 °C	600 cP @Temperature 77.0 °F	Part A
Linear Mold Shrinkage	0.00030 cm/cm	0.00030 in/in	ASTM D2566

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	82 @Temperature 23.9 °C	82 @Temperature 75.0 °F	ASTM D2240-68
Tensile Strength, Ultimate	32.4 MPa	4700 psi	ASTM D638-82
Elongation at Break	7.0 - 10 %	7.0 - 10 %	ASTM D790
Tensile Modulus	>= 0.621 GPa	>= 90.0 ksi	5% strain; ASTM D790

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	73.9 °C	165 °F

Processing Properties	Metric	English	Comments
Cure Time	360 - 480 min @Temperature 24.0 °C	6.00 - 8.00 hour @Temperature 75.2 °F	demold time
	7200 - 10080 min @Temperature 24.0 °C	120 - 168.0 hour @Temperature 75.2 °F	full cure
Pot Life	12 - 14 min @Temperature 24.0 °C	12 - 14 min @Temperature 75.2 °F	mass dependent

Descriptive Properties
Mix Ratio	100:85 by weight, 100:88 by volume, resin/harder

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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PBCC056 / 107283

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