Covestro Bayfill® 53IF40 U Polyurethane Structural Foam RIM

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Covestro Bayfill® 53IF40 U Polyurethane Structural Foam RIM
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced
Material Notes:	Characterization: This is a semi-rigid polyurethane foam system composed of Bayfill 53IF40 U polyol blend and Desmodur® 58IF07 M polyisocyanate. Properties / Applications: This is a semi-rigid polyurethane foam system composed of Bayfill 53IF40 U polyol blend and Desmodur® 58IF07 M polyisocyanate. It is used in the production of soft-touch panels, such as automotive instrument panels. The foam system is supplied as two liquid components. Component A, Desmodur 58IF07 M, is a polymeric diphenylmethane diisocyanate product. Component B , Bayfill 53IF40 U, is a formulated polyether polyol blend. As with any product, use of Bayfill 53IF40 U system in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	0.138 g/cc	0.138 g/cc	ASTM D3574
	1.03 g/cc	1.03 g/cc	Polyol (Component B)
	1.24 g/cc	1.24 g/cc	Isocyanate (Component A)
Viscosity	50 - 60 cP	50 - 60 cP	Isocyanate (Component A)
	1500 cP	1500 cP	Polyol (Component B)

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	0.310 MPa	45.0 psi	ASTM D3574
Elongation at Break	70 %	70 %	ASTM D3574
Compressive Strength	0.0750 MPa @Strain 50 %	10.9 psi @Strain 50 %	ASTM D3574
Compression Set	10 %	10 %	50% compression; ASTM D3574

Thermal Properties	Metric	English	Comments
Flash Point	>= 199 °C	>= 390 °F	PMCC, Polyol (Component B)
	>= 200 °C	>= 392 °F	PMCC, Isocyanate (Component A)

Processing Properties	Metric	English	Comments
Mold Temperature	40.0 °C	104 °F	lid
	42.0 °C	108 °F	cavity

Descriptive Properties
Appearance	Black liquid		Polyol (Component B)
	Dark brown liquid		Isocyanate (Component A)
Content	>32%		NCO, Isocyanate (Component A)
Hydroxyl number	[mg KOH/g], Polyol (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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PCOVEST0106 / 201889

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