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Master Bond adhesives

Covestro Baydur® 730 IBS Polyurethane Structural Foam RIM, Density 25 pcf
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced
Material Notes: Characterization: Baydur 730 IBS is a rigid polyurethane structural foam system used in the reaction injection molding (RIM) process.

Properties / Applications: Baydur 730 IBS is a rigid polyurethane structural foam system used in the reaction injection molding (RIM) process. This system incorporates a specially engineered interactive blowing system (IBS) and is supplied as two reactive liquid components. Component A is a modified polymeric diphenylmethane diisocyanate (PMDI) prepolymer blend, and Component B is a formulated polyol system containing no CFC- or HCFC-blowing additives. The Baydur 730 IBS system was designed for general-purpose applications and is used in the construction, agricultural, consumer products, industrial and specialty automotive markets. The applications typically take advantage of the material ’s strength, as well as its excellent surface finish, large part capability and good flowability. As with any product, use of the Baydur 730 IBS 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  0.400 g/cc
@Thickness 6.35 mm		0.400 g/cc
@Thickness 0.250 in		ASTM D792
 0.400 g/cc
@Thickness 12.7 mm		0.400 g/cc
@Thickness 0.500 in		ASTM D792
Linear Mold Shrinkage  0.0070 - 0.0090 cm/cm
@Thickness 6.35 mm		0.0070 - 0.0090 in/in
@Thickness 0.250 in
 0.0070 - 0.0090 cm/cm
@Thickness 12.7 mm		0.0070 - 0.0090 in/in
@Thickness 0.500 in
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D  50
@Thickness 6.35 mm		50
@Thickness 0.250 in		ASTM D2240
 75
@Thickness 12.7 mm		75
@Thickness 0.500 in		ASTM D2240
Tensile Strength at Break  8.27 MPa
@Thickness 6.35 mm		1200 psi
@Thickness 0.250 in		ASTM D638
 23.4 MPa
@Thickness 12.7 mm		3390 psi
@Thickness 0.500 in		ASTM D638
Elongation at Break  10 %
@Thickness 6.35 mm		10 %
@Thickness 0.250 in		ASTM D638
 10 %
@Thickness 12.7 mm		10 %
@Thickness 0.500 in		ASTM D638
Flexural Strength  13.8 MPa
@Thickness 6.35 mm		2000 psi
@Thickness 0.250 in		ASTM D790
 48.3 MPa
@Thickness 12.7 mm		7010 psi
@Thickness 0.500 in		ASTM D790
Flexural Modulus  0.400 GPa
@Thickness 6.35 mm		58.0 ksi
@Thickness 0.250 in		ASTM D790
 1.23 GPa
@Thickness 12.7 mm		178 ksi
@Thickness 0.500 in		ASTM D790
Charpy Impact Unnotched  1.22 J/cm²
@Thickness 6.35 mm		5.81 ft-lb/in²
@Thickness 0.250 in
 3.36 J/cm²
@Thickness 12.7 mm		16.0 ft-lb/in²
@Thickness 0.500 in
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 0.46 MPa (66 psi)  70.0 °C
@Thickness 6.35 mm		158 °F
@Thickness 0.250 in
 100 °C
@Thickness 12.7 mm		212 °F
@Thickness 0.500 in

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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PCOVEST0093 / 201876




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