Covestro DESMODUR® MTQ25130-F + BAYTEC® T20-F + BAYTEC® XL B –F (Catalyst SD10-F), 90 A Polyurethane, MDI- PTMEG

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Covestro DESMODUR® MTQ25130-F + BAYTEC® T20-F + BAYTEC® XL B –F (Catalyst SD10-F), 90 A Polyurethane, MDI- PTMEG
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	0.980 g/cc	0.980 g/cc	BAYTEC® T20-F
	1.01 g/cc	1.01 g/cc	BAYTEC® XL B-F
	1.10 g/cc	1.10 g/cc	DESMODUR ® MTQ25130-F
	1.11 g/cc	1.11 g/cc
Viscosity	30 cP	30 cP	BAYTEC® XL B-F
	800 cP	800 cP	DESMODUR ® MTQ25130-F
	1200 cP	1200 cP	BAYTEC® T20-F

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	90	90	DIN 53505
	92 @Temperature -5.00 °C	92 @Temperature 23.0 °F	DIN 53505
	92 @Temperature 80.0 °C	92 @Temperature 176 °F	DIN 53505
Tensile Strength at Break	41.0 MPa	5950 psi	DIN 53504
Tensile Stress at Strain	4.30 MPa @Strain 10 %	624 psi @Strain 10 %	DIN 53504
Elongation at Break	480 %	480 %	DIN 53504
100% Modulus	9.80 MPa @Strain 100 %	1420 psi @Strain 100 %	DIN 53504
200% Modulus	13.3 MPa @Strain 200 %	1930 psi @Strain 200 %	DIN 53504
300% Modulus	18.1 MPa @Strain 300 %	2630 psi @Strain 300 %	DIN 53504
Resilience	53	53	[%]; DIN 53512
Tear Strength	50.0 kN/m	285 pli	with nick; ISO 34-1
	125 kN/m	713 pli	without nick; ISO 34-1
Abrasion	50	50	[mm3]; ISO 4649
Compression Set	19 % @Temperature 70.0 °C, Time 79200 sec	19 % @Temperature 158 °F, Time 22.0 hour	ISO 815-1

Processing Properties	Metric	English	Comments
Processing Temperature	45.0 °C	113 °F	DESMODUR ® MTQ25130-F
	45.0 °C	113 °F	BAYTEC® T20-F
	45.0 °C	113 °F	BAYTEC® XL B-F
Mold Temperature	110 °C	230 °F
Pot Life	2.25 min	2.25 min

Descriptive Properties
Appearance	liquid		DESMODUR ® MTQ25130-F
	solid		BAYTEC® T20-F
	solid		BAYTEC® XL B-F
Content	0.15		SD10-F % / total (in weight) (catalyst at the head)
	100		Parts by weight of prepolymer
	12		Parts by weight of BAYTEC® XL B-F
	12.9-13.3%		NCO
	40		Parts by weight of BAYTEC® T20-F

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.

PCOVEST0543 / 202326

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