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Master Bond adhesives

Northstar Polymers SAI-1 Low Viscosity Variable Ratio Polyurethane Gel
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced

Material Notes: SAI-1 is custom formulated polyurethane gel material to yield very soft elastomer gel material from low viscosity components at room temperature. This material is variable mixing ratio so that the user can change the properties of the product simply by changing the same combination of part-A and part-B liquid components. The material does not contain plasticizer so that it will not leach plasticizer to affect the other plastic material surrounding the gel part, or to cause a severe hardness change in long term use.

Possible application for this material includes potting and encapsulation of optical cables, manufacturing of puncture-free tire layer, cushioning and padding parts by open-cast molding, and many other custom applications. This material is not designed to be cast directly into flexible film casings.

Information provided by Northstar Polymers.

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Processing PropertiesMetricEnglishComments
Processing Temperature 21.1 - 32.2 °C70.0 - 90.0 °FPrepolymer Temperature
 21.1 - 32.2 °C70.0 - 90.0 °FCuring Agent Temperature
Mold Temperature 21.1 - 32.2 °C70.0 - 90.0 °F
Cure Time  60.0 - 180 min
@Temperature 25.0 °C
1.00 - 3.00 hour
@Temperature 77.0 °F
De-mold Time
 4320 - 5760 min
@Temperature 25.0 °C
72.0 - 96.0 hour
@Temperature 77.0 °F
Complete Cure Cycle
Pot Life 11.0 - 12.0 min11.0 - 12.0 min
 
Descriptive Properties
Curing AgentPAA-109
PrepolymerMPC-022
Weight Ratio1:10.391Prepolymer to Curing Agent Ratio, Shore Hardness OO <0.1
 1:7.422Prepolymer to Curing Agent Ratio, Shore Hardness OO 48-53
 1:7.917Prepolymer to Curing Agent Ratio, Shore Hardness OO 35-40
 1:8.412Prepolymer to Curing Agent Ratio, Shore Hardness OO 28-33
 1:9.402Prepolymer to Curing Agent Ratio, Shore Hardness OO 3-6

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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PNORTH870 / 162586

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