Northstar Polymers MPS-M23B Room-Temperature Curable Microcellular Foam

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Northstar Polymers MPS-M23B Room-Temperature Curable Microcellular Foam
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced
Material Notes:	This foam polyurethane formulation is designed to yield closed-cell microcellular foam by either hand-mixing or machine casting method at room temperature. The components are liquid at room temperature. It is designed to be used in compression molding process with 10% or higher compression rate. For a small quantity, this can be batched manually by hand tools. This can also be cast with a multi-component meter-mixing/dispensing machine. The free-rise density of the foam is 23 pounds-per-cubic-foot. Information provided by Northstar Polymers.
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Processing Properties	Metric	English	Comments

Processing Temperature	21.1 - 32.2 °C	70.0 - 90.0 °F	Prepolymer Temperature
	21.1 - 32.2 °C	70.0 - 90.0 °F	Curing Agent Temperature
Mold Temperature	37.8 - 48.9 °C	100 - 120 °F
Cure Time	15.0 min @Temperature 43.3 °C	0.250 hour @Temperature 110 °F	De-mold Time
	2880 min @Temperature 25.0 °C	48.0 hour @Temperature 77.0 °F	Complete Cure Cycle
Pot Life	0.750 min	0.750 min

Descriptive Properties
Curing Agent	PBD-025
Mixing Time	10		minimum for mixing by hand
Prepolymer	MSA-018
Weight Ratio	1:1.762		Prepolymer to Curing Agent Ratio

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PNORTH884 / 162600

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