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Ensinger PEI

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Covestro Bayflex® 952 Polyether-based Polyurethane System, Density 34 pcf
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes: Characterization: Bayflex 952 is a fully compounded polyether-based polyurethane system consisting of two liquid components which can be water-blown.

Properties / Applications: Bayflex 952 is a fully compounded polyether-based polyurethane system consisting of two liquid components which can be water-blown. Component A is a modified diphenylmethane diisocyanate (MDI) prepolymer, and Component B is a polyether polyol system. The Bayflex 952 system is used in the manufacture of microcellular polyurethane shoe soles. Soles prepared from these components combine light weight, comfort, and durability. Processibility and dynamic flexural properties are excellent over a wide range of densities. The combination of excellent physical properties and ease of processing has made the Bayflex 952 system a prime soling material for single-density soles for fashion and casual shoes. As with any product, use of the Bayflex 952 system in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability.

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Physical PropertiesOriginal ValueComments
Specific Gravity 0.500 g/ccMolded
 1.05 g/ccPolyol (Component B)
 1.20 g/ccIsocyanate (Component A)
Viscosity 1100 cPIsocyanate (Component A)
 1100 cPPolyol (Component B)
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 50ASTM D2240
Tensile Strength at Break 3.10 MPaASTM D412
Elongation at Break 400 %ASTM D412
Tear Strength 25.0 pliBlack
 80.0 pliDie C; ASTM D1004
Taber Abrasion, mg/1000 Cycles 70
@Load 1.00 kg
H-18; ASTM D4060
 
Thermal PropertiesOriginal ValueComments
Flash Point 138 °CPolyol (Component B)
 207 °CIsocyanate (Component A)
 
Processing PropertiesOriginal ValueComments
Mold Temperature 49.0 °C
Moisture Content <= 0.38 %Polyol (Component B)
 
Descriptive Properties
AppearanceLight yellow viscous liquidIsocyanate (Component A)
 White liquidPolyol (Component B)
Content18.7-19.1%NCO, Isocyanate (Component A)
Hydroxyl numberPolyol (Component B)

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 go back to viewing the property data in MatWeb's normal format.

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PCOVEST0128 / 201911

Proto3000 – 3D Engineering Solutions

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