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Rulon Bearings

Covestro Bayflex® LSR 10 Elastomer
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes: Characterization: Bayflex LSR 10 is a solid elastomer which has a flexural modulus of 17,500 psi* at room temperature.

Properties / Applications: Bayflex LSR 10 is a solid elastomer which has a flexural modulus of 17,500 psi* at room temperature. It is processed on reaction injection molding (RIM) equipment and is used for glass encapsulation of windows. This system combines rapid demold times, excellent integrity at demold, and outstanding physical properties. The Bayflex LSR 10 system was developed to add a weather-resistant grade to our range of window encapsulation systems. In some cases, the weatherability of this system eliminates the need for post-painting or in-mold coatings. This product is available only in black. Bayflex LSR 10 is a formulated RIM system supplied as two reactive liquid components. Component A is a diphenylmethane diisocyanate (MDI) prepolymer, and component B is a polyether polyol. As with any product, use of the Bayflex LSR 10 system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.

Information provided by Covestro

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.03 g/cc1.03 g/ccPolyol (Component B)
 1.07 g/cc1.07 g/ccIsocyanate (Component A)
Viscosity 100 cP100 cPIsocyanate (Component A)
 1320 cP1320 cPPolyol (Component B)
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A  93
@Time 5.00 sec
93
@Time 0.00139 hour
 94
@Time 1.00 sec
94
@Time 0.000278 hour
Hardness, Shore D  42
@Time 5.00 sec
42
@Time 0.00139 hour
 44
@Time 1.00 sec
44
@Time 0.000278 hour
Tensile Strength at Break 14.1 MPa2050 psi
Elongation at Break 204 %204 %
Flexural Modulus  0.0157 GPa
@Temperature 70.0 °C
2.28 ksi
@Temperature 158 °F
 0.121 GPa
@Temperature 25.0 °C
17.5 ksi
@Temperature 77.0 °F
 0.309 GPa
@Temperature -30.0 °C
44.8 ksi
@Temperature -22.0 °F
Tear Strength 40.3 kN/m230 pli
Compression Set 67 %67 %25% deflection
 
Thermal PropertiesMetricEnglishComments
Flash Point >= 93.3 °C>= 200 °FIsocyanate (Component A)
 >= 121 °C>= 250 °FPolyol (Component B)
 
Processing PropertiesMetricEnglishComments
Mold Temperature 80.0 - 100 °C176 - 212 °F

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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PCOVEST0134 / 201917

Aluminum Castings

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