Covestro DESMODUR® TDL639 + BAYTEC® XL 1705, 80 A Polyurethane, TDI- Adipate

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Covestro DESMODUR® TDL639 + BAYTEC® XL 1705, 80 A Polyurethane, TDI- Adipate
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Information provided by Covestro
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Specific Gravity	1.20 g/cc	1.20 g/cc	DESMODUR® TDL639
	1.21 g/cc	1.21 g/cc	BAYTEC® XL 1705
	1.23 g/cc	1.23 g/cc
Viscosity	690 cP	690 cP	BAYTEC® XL 1705
	800 cP	800 cP	DESMODUR® TDL639

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	80	80	DIN 53505
	77 @Temperature 80.0 °C	77 @Temperature 176 °F	DIN 53505
	88 @Temperature -5.00 °C	88 @Temperature 23.0 °F	DIN 53505
Tensile Strength at Break	55.0 MPa	7980 psi	DIN 53504
Tensile Stress at Strain	2.20 MPa @Strain 10 %	319 psi @Strain 10 %	DIN 53504
Elongation at Break	510 %	510 %	DIN 53504
100% Modulus	5.80 MPa @Strain 100 %	841 psi @Strain 100 %	DIN 53504
200% Modulus	7.80 MPa @Strain 200 %	1130 psi @Strain 200 %	DIN 53504
300% Modulus	11.3 MPa @Strain 300 %	1640 psi @Strain 300 %	DIN 53504
Resilience	35	35	[%]; DIN 53512
Tear Strength	70.0 kN/m	399 pli	with nick; ISO 34-1
	100 kN/m	571 pli	without nick; ISO 34-1
Abrasion	85	85	[mm3]; ISO 4649
Compression Set	28 % @Temperature 70.0 °C, Time 79200 sec	28 % @Temperature 158 °F, Time 22.0 hour	ISO 815-1

Processing Properties	Metric	English	Comments
Processing Temperature	80.0 °C	176 °F	DESMODUR® TDL639
	80.0 °C	176 °F	BAYTEC® XL 1705
Mold Temperature	100 °C	212 °F
Pot Life	4.00 min	4.00 min

Descriptive Properties
Appearance	liquid		BAYTEC® XL 1705
	solid		DESMODUR® TDL639
Content	100		Parts by weight of prepolymer
	3.65-4.05%		NCO, DESMODUR® TDL639
	9.3		Parts by weight of BAYTEC® XL 1705

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.

PCOVEST0607 / 202390

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message