Covestro DESMODUR® MLQ22165 + BAYTEC® L20 + BAYTEC® XL B (Catalyst SD11-2) 80 A Polyurethane, MDI- Caprolactone

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Covestro DESMODUR® MLQ22165 + BAYTEC® L20 + BAYTEC® XL B (Catalyst SD11-2) 80 A Polyurethane, MDI- Caprolactone
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
	1.04 g/cc	1.04 g/cc	BAYTEC® L20
	1.13 g/cc	1.13 g/cc	DESMODUR® MLQ22165
	1.15 g/cc	1.15 g/cc
Viscosity	30 cP	30 cP	BAYTEC® XL B
	300 cP	300 cP	BAYTEC® L20
	560 cP	560 cP	DESMODUR® MLQ22165

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	80	80	DIN 53505
	78 @Temperature 80.0 °C	78 @Temperature 176 °F	DIN 53505
	84 @Temperature -5.00 °C	84 @Temperature 23.0 °F	DIN 53505
Tensile Strength at Break	50.0 MPa	7250 psi	DIN 53504
Tensile Stress at Strain	1.90 MPa @Strain 10 %	276 psi @Strain 10 %	DIN 53504
Elongation at Break	520 %	520 %	DIN 53504
100% Modulus	5.30 MPa @Strain 100 %	769 psi @Strain 100 %	DIN 53504
200% Modulus	8.10 MPa @Strain 200 %	1170 psi @Strain 200 %	DIN 53504
300% Modulus	12.3 MPa @Strain 300 %	1780 psi @Strain 300 %	DIN 53504
Resilience	63	63	[%]; DIN 53512
Tear Strength	39.1 kN/m	223 pli	with nick; ISO 34-1
	89.1 kN/m	508 pli	without nick; ISO 34-1
Abrasion	20	20	[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	45.0 °C	113 °F	DESMODUR® MLQ22165
	45.0 °C	113 °F	BAYTEC® XL B
	70.0 °C	158 °F	BAYTEC® L20
Mold Temperature	100 °C	212 °F
Pot Life	7.50 min	7.50 min

Descriptive Properties
Appearance	solid		DESMODUR® MLQ22165
	solid		BAYTEC® L20
	solid		BAYTEC® XL B
Content	0.18		SD11-2 catalyst % / total (by weight), (catalyst at the head)
	100		Parts by weight of prepolymer
	100		Parts by weight of BAYTEC® L20
	12.8		Parts by weight of BAYTEC® XL B
	16.3-16.7%		NCO

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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PCOVEST0496 / 202279

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