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Ensinger PEI

Northstar Polymers MSS-A95BQ Ester Base High Performance Polyurethane
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Liquid

Material Notes: This high-performance quasi-polyester system is one of a family of polymer systems developed by Northstar Polymers for demanding work environments. Urethane elastomers molded with this system exhibit high tear strength, high tensile elongation, excellent oil resistance, and outstanding abrasion resistance. They also meet the requirements of 21 CFR 177.1680, FDA direct dry food contact. This combination of features makes elastomers molded from MSS-A95BQ perfect for many applications including the handling of wood chips, grain, sand, gravel and other commodities, mining, and many custom applications. For long-term use in constant aqueous environments, consider a polyether or hybrid product system.

Information provided by Northstar Polymers.

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Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 9595ASTM D2240
Tensile Strength 37.9 MPa5500 psiASTM D412
Elongation at Break 700 %700 %ASTM D412
Tear Strength 101 kN/m576 pliSplit; ASTM D624
 160 kN/m913 pliDie C; ASTM D624
Taber Abrasion, mg/1000 Cycles 7575ASTM D4060
 
Processing PropertiesMetricEnglishComments
Processing Temperature 82.2 - 93.3 °C180 - 200 °FPrepolymer Temperature
 82.2 - 93.3 °C180 - 200 °FCuring Agent Temperature
Mold Temperature 82.2 - 93.3 °C180 - 200 °F
 
Compliance PropertiesMetricEnglishComments
FDA YesYesSee notes for details.
 
Descriptive Properties
Curing AgentSBA-021
PrepolymerMSA-018
Weight Ratio1:1.126Prepolymer to Curing Agent Ratio

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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