Covestro DESMODUR® MDQ24163 + BAYTEC® D24 + BAYTEC® XL B (Catalyst SD2.4) 85 A Polyurethane, MDI-Ester

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Covestro DESMODUR® MDQ24163 + BAYTEC® D24 + BAYTEC® XL B (Catalyst SD2.4) 85 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
	1.22 g/cc	1.22 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	82	82	DIN 53505
	84 @Temperature 80.0 °C	84 @Temperature 176 °F	DIN 53505
	91 @Temperature -5.00 °C	91 @Temperature 23.0 °F	DIN 53505
Tensile Strength at Break	57.0 MPa	8270 psi	DIN 53504
Tensile Stress at Strain	2.30 MPa @Strain 10 %	334 psi @Strain 10 %	DIN 53504
Elongation at Break	515 %	515 %	DIN 53504
100% Modulus	6.90 MPa @Strain 100 %	1000 psi @Strain 100 %	DIN 53504
200% Modulus	10.3 MPa @Strain 200 %	1490 psi @Strain 200 %	DIN 53504
300% Modulus	15.2 MPa @Strain 300 %	2200 psi @Strain 300 %	DIN 53504
Resilience	49	49	[%]; DIN 53512
Tear Strength	41.0 kN/m	234 pli	with nick; ISO 34-1
	105 kN/m	599 pli	without nick; ISO 34-1
Abrasion	45	45	[mm3]; ISO 4649
Compression Set	25 % @Temperature 70.0 °C, Time 79200 sec	25 % @Temperature 158 °F, Time 22.0 hour	ISO 815-1

Processing Properties	Metric	English	Comments
Processing Temperature	40.0 °C	104 °F	DESMODUR® MDQ24163
	40.0 °C	104 °F	BAYTEC® XL B
	50.0 °C	122 °F	BAYTEC® D24
Mold Temperature	80.0 °C	176 °F
Pot Life	3.25 min	3.25 min

Descriptive Properties
Appearance	liquid		DESMODUR® MDQ24163
	solid		BAYTEC® D24
	solid		BAYTEC® XL B
Content	0.2		Catalyst SD2.4 % / total (by weight) catalyst at the head **
	100		Parts by weight of prepolymer
	13.9		Parts by weight of BAYTEC® XL B
	16.2-16.6%		NCO
	80		Parts by weight of BAYTEC® D24

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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PCOVEST0462 / 202245

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