BCC Products BC 8675E Polyurethane Elastomer

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BCC Products BC 8675E Polyurethane Elastomer
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced; Rubber or Thermoset Elastomer (TSE)
Material Notes:	BC 8675E is a multi-purpose elastomer that can perform many functions. Typical product features are: easy to use, cures at room temperature, resists moisture absorption, excellent in use for molds for casting of concrete and plaster, does not contain MOCA, MDA, TDI or MDI. Product uses include: mold fabrication, shock absorbent pads and liners, excellent as an adhesive for high strength and resilient bonds, electrical potting and cable sealing applications, various types of urethane rubber parts. Information provided by BCC Products, Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.05 g/cc	1.05 g/cc
Water Absorption	2.8 %	2.8 %	2 weeks; ASTM D570
Brookfield Viscosity	3000 cP	3000 cP
Linear Mold Shrinkage	0.0015 cm/cm	0.0015 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	73 - 77	73 - 77	ASTM D2240
Tensile Strength, Ultimate	15.9 MPa	2300 psi	ASTM D412
Elongation at Break	650 %	650 %	ASTM D412
Tear Strength	33.3 kN/m	190 pli	ASTM 4-624-54 D Die C

Processing Properties	Metric	English	Comments
Cure Time	480 - 840 min @Temperature 24.0 °C	8.00 - 14.0 hour @Temperature 75.2 °F	demold time
	4320 - 7200 min @Temperature 24.0 °C	72.0 - 120 hour @Temperature 75.2 °F	full cure
Working Life	25 min @Temperature 25.0 °C	25 min @Temperature 77.0 °F
Gel Time	40 min @Temperature 24.0 °C	40 min @Temperature 75.2 °F	gel time (180g)

Descriptive Properties
Mix Ratio	100:45 by weight (resin/hardener)

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PBCC066 / 107293

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