Covestro DESMODUR® MDQ24163 + BAYTEC® D24 + BAYTEC® XL B (Catalyst SD2.4) 65 A Polyurethane, MDI-Ester

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Covestro DESMODUR® MDQ24163 + BAYTEC® D24 + BAYTEC® XL B (Catalyst SD2.4) 65 A Polyurethane, MDI-Ester
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	1.01 g/cc	1.01 g/cc	BAYTEC® XL B
	1.17 g/cc	1.17 g/cc	DESMODUR® MDQ24163
	1.17 g/cc	1.17 g/cc	BAYTEC® D24
	1.21 g/cc	1.21 g/cc
Viscosity	30 cP	30 cP	BAYTEC® XL B
	1200 cP	1200 cP	DESMODUR® MDQ24163
	2000 cP	2000 cP	BAYTEC® D24

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	65	65	DIN 53505
	64 @Temperature 80.0 °C	64 @Temperature 176 °F	DIN 53505
	70 @Temperature -5.00 °C	70 @Temperature 23.0 °F	DIN 53505
Tensile Strength at Break	43.0 MPa	6240 psi	DIN 53504
Tensile Stress at Strain	0.700 MPa @Strain 10 %	102 psi @Strain 10 %	DIN 53504
Elongation at Break	530 %	530 %	DIN 53504
100% Modulus	2.90 MPa @Strain 100 %	421 psi @Strain 100 %	DIN 53504
200% Modulus	4.10 MPa @Strain 200 %	595 psi @Strain 200 %	DIN 53504
300% Modulus	5.80 MPa @Strain 300 %	841 psi @Strain 300 %	DIN 53504
Resilience	59	59	[%]; DIN 53512
Tear Strength	24.0 kN/m	137 pli	with nick; ISO 34-1
	61.0 kN/m	348 pli	without nick; ISO 34-1
Abrasion	40	40	[mm3]; ISO 4649
Compression Set	41 % @Temperature 70.0 °C, Time 79200 sec	41 % @Temperature 158 °F, Time 22.0 hour	ISO 815-1

Processing Properties	Metric	English	Comments
Processing Temperature	40.0 °C	104 °F	BAYTEC® XL B
	40.0 °C	104 °F	DESMODUR® MDQ24163
	50.0 °C	122 °F	BAYTEC® D24
Mold Temperature	80.0 °C	176 °F
Pot Life	4.167 min	4.167 min

Descriptive Properties
Appearance	liquid		DESMODUR® MDQ24163
	solid		BAYTEC® D24
	solid		BAYTEC® XL B
Content	0.35		Catalyst SD2.4 % / total (by weight) catalyst at the head **
	100		Parts by weight of prepolymer
	16.2-16.6%		NCO
	170		Parts by weight of BAYTEC® D24
	9.9		Parts by weight of BAYTEC® XL 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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PCOVEST0458 / 202241

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