Covestro DESMODUR® MD15120 +BAYTEC® D15 + BAYTEC® XL B, 90 A Polyurethane, MDI-Ester

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Covestro DESMODUR® MD15120 +BAYTEC® D15 + BAYTEC® XL B, 90 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
	1.15 g/cc	1.15 g/cc	DESMODUR® MD15120
	1.18 g/cc	1.18 g/cc	BAYTEC®D15
	1.20 g/cc	1.20 g/cc
Viscosity	30 cP	30 cP	BAYTEC® XL B
	390 cP	390 cP	BAYTEC®D15
	700 cP	700 cP	DESMODUR® MD15120

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	90	90	DIN 53505
	87 @Temperature 80.0 °C	87 @Temperature 176 °F	DIN 53505
	94 @Temperature -5.00 °C	94 @Temperature 23.0 °F	DIN 53505
Tensile Strength at Break	48.0 MPa	6960 psi	DIN 53504
Tensile Stress at Strain	3.60 MPa @Strain 10 %	522 psi @Strain 10 %	DIN 53504
Elongation at Break	450 %	450 %	DIN 53504
100% Modulus	6.40 MPa @Strain 100 %	928 psi @Strain 100 %	DIN 53504
200% Modulus	8.90 MPa @Strain 200 %	1290 psi @Strain 200 %	DIN 53504
300% Modulus	12.5 MPa @Strain 300 %	1810 psi @Strain 300 %	DIN 53504
Resilience	46	46	[%]; DIN 53512
Tear Strength	52.1 kN/m	297 pli	with nick; ISO 34-1
	104 kN/m	593 pli	without nick; ISO 34-1
Abrasion	30	30	[mm3]; ISO 4649
Compression Set	36 % @Temperature 70.0 °C, Time 79200 sec	36 % @Temperature 158 °F, Time 22.0 hour	ISO 815-1

Processing Properties	Metric	English	Comments
Processing Temperature	45.0 °C	113 °F	BAYTEC® XL B
	80.0 °C	176 °F	DESMODUR® MD15120
	80.0 °C	176 °F	BAYTEC®D15
Mold Temperature	100 °C	212 °F
Pot Life	4.33 min	4.33 min

Descriptive Properties
Appearance	solid		DESMODUR® MD15120
	solid		BAYTEC®D15
	solid		BAYTEC® XL B
Content	10.5-10.9%		NCO
	100		Parts by weight of prepolymer
	50		Parts by weight of BAYTEC® D15
	6.7		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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PCOVEST0430 / 202213

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