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Master Bond adhesives

Covestro Baypreg® F Polyurethane, Natural Fiber Glass
Categories: Polymer; Thermoset; Polyurethane, TS

Material Notes: Characterization: Baypreg F system is a two component polyurethane system used in compression molding.

Properties / Applications: Baypreg F system is a two component polyurethane system used in compression molding of natural fiber mats alone, or fiber-reinforced sandwich panels to produce a variety of automotive parts. Some identified applications include door panels, sunshades, spare tire covers, load floors, etc. The Baypreg F system provides lightweight alternatives to ABS, PP, SMC, and wood products while demonstrating very high flexural stiffness and excellent thermal properties. Baypreg F system offers very diverse properties over a wide range of part thicknesses and densities while still providing cost effective substrate parts when combined with reinforcing materials. As with any product, use of the Baypreg F 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 0.800 g/cc0.800 g/ccASTM D792
 1.05 g/cc1.05 g/ccPolyol Blend (Component B)
 1.21 g/cc1.21 g/ccIsocyanate (Component A)
Viscosity 350 cP350 cPIsocyanate (Component A)
 800 cP800 cPPolyol Blend (Component B)
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 17.0 MPa2470 psiASTM D638
Flexural Strength 17.0 MPa2470 psiASTM D790
Flexural Modulus 3.70 GPa537 ksiASTM D790
 
Thermal PropertiesMetricEnglishComments
CTE, linear 30.6 µm/m-°C17.0 µin/in-°FASTM D696
Flash Point 160 °C320 °FPolyol Blend (Component B)
 223 °C433 °FIsocyanate (Component A)
 
Processing PropertiesMetricEnglishComments
Mold Temperature 100 - 120 °C212 - 248 °F
 
Descriptive Properties
AppearanceBlack liquidPolyol Blend (Component B)
 Dark brown liquidIsocyanate (Component A)
Content28.5%NCO, Isocyanate (Component A)
Hydroxyl number[KOH/g], Polyol Blend (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 view all the property values for this datasheet as they were originally entered into MatWeb.

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PCOVEST0216 / 201999

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