Covestro Desmodur® MS-092 + Baytec XL B/Baytec XL HQEE, 93A/43D Polyurethane, MDI- Ester

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Covestro Desmodur® MS-092 + Baytec XL B/Baytec XL HQEE, 93A/43D Polyurethane, MDI- Ester
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Characteristics: Properties: Excellent wear and tear resistance Superior tensile strength & elongation Good solvent resistance Low compression set Comments: Suitable for forklift tires, sheet goods, wheels, & rollers Suitable for sprocket wheels & die-cut pads Ideal for gaskets & seals Excellent general purpose elastomer Improved temperature resistance with HQEE Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.13 g/cc	Desmodur MS-092
Viscosity	8.0 cP	Baytec XL B
	365 cP	Desmodur MS-092

Mechanical Properties	Original Value	Comments
Hardness, Shore A	93	ASTM D2240
Hardness, Shore D	43	ASTM D412
Tensile Strength at Break	47.4 MPa	ASTM D412
Elongation at Break	510 %	ASTM D412
100% Modulus	0.0102 GPa @Strain 100 %	ASTM D412
200% Modulus	0.0135 GPa @Strain 200 %	ASTM D412
300% Modulus	0.0179 GPa @Strain 300 %	ASTM D412
Compressive Strength	22.9 MPa @Strain 50 %	ASTM D575
Resilience	43	[%], Bayshore; ASTM D2632
Tear Strength	675 pli	Die C; ASTM D624
	675 pli	Split; ASTM D1938
Taber Abrasion, mg/1000 Cycles	30 @Load 1.00 kg	H-18 wheel; ASTM D4060
Compression Set	22 % @Temperature 70.0 °C, Time 79200 sec	ASTM D395-B

Processing Properties	Original Value	Comments
Processing Temperature	50.0 - 70.0 °C	Baytec XL B
	80.0 - 95.0 °C	Desmodur MS-092
	100 - 110 °C	Baytec XL HQEE
Mold Temperature	100 - 110 °C
Pot Life	2.00 - 6.00 min

Descriptive Properties
Appearance	clear liquid	Baytec XL B
	tan solid	Baytec XL HQEE
	yellow liquid	Desmodur MS-092
Content	0.034	Dabco33LV catalyst at 0.5 % by weight of Baytec XL B
	100	Parts by weight of Desmodur MS-092 prepolymer*
	45 EW	NCO, Baytec XL B
	8.95-9.74%	NCO, Desmodur MS-092
	9.34	Parts by weight of Baytec XL B*
	99 EW	NCO, Baytec XL HQEE

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PCOVEST0502 / 202285

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