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Ensinger PEI

Northstar Polymers MSS-A90A High Performance Polyurethane Cast Elastomer System 90A
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Liquid

Material Notes: This is a Ester/MDI base high-performance polyurethane casting system. This systems is recommended to applications in which the part requires high tensile strength, cut/tear resistance, dry-abrasion resistance, slow response speed, and low energy rebound/response. Ester base systems are generally less expensive than PTMEG base material. Possible applications for this material include skirting for conveyer belts, abrasion resistance liners and parts, and other specialty parts. This is a conventional “full-prepolymer” type material cured with 1,4 BDO. Can be approved for FDA dry food contact.

Information provided by Northstar Polymers.

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Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 9090ASTM D2240
Tensile Strength 29.0 MPa4200 psiASTM D412
Elongation at Break 650 %650 %ASTM D412
Rebound 28 %28 %Bashore Rebound; ASTM D2632
Tear Strength 52.6 kN/m300 pliSplit; ASTM D624
 105 kN/m600 pliDie C; ASTM D624
Taber Abrasion, mg/1000 Cycles 6262ASTM D4060
 
Processing PropertiesMetricEnglishComments
Processing Temperature 25.0 °C77.0 °FCuring Agent Temperature
 82.2 - 93.3 °C180 - 200 °FPrepolymer Temperature
Mold Temperature 82.2 - 93.3 °C180 - 200 °F
Cure Time  30.0 min
@Temperature 93.3 °C
0.500 hour
@Temperature 200 °F
De-mold Time
 960 min
@Temperature 82.2 °C
16.0 hour
@Temperature 180 °F
Complete Cure Cycle
Pot Life 2.50 - 3.00 min2.50 - 3.00 min
 
Descriptive Properties
Curing AgentBNA-005
PrepolymerMSA-052

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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