Covestro Desmodur® ME-230 + BaytecT20 + Baytec XL B, 85A Polyurethane, MDI-Ester

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.

(Viewing data as-entered. Click here to return)

Covestro Desmodur® ME-230 + BaytecT20 + Baytec XL B, 85A Polyurethane, MDI-Ester
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Characteristics: Properties: Good abrasion resistance Excellent hydrolysis resistance Low temperature performance High resilience Good microbial resistance Comments: Suitable for skate board and roller skate wheels Production of seals, gaskets & hydrocyclones Ideal for snow plow blades 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	Original Value	Comments

Specific Gravity	1.08 g/cc	Desmodur ME-230
Viscosity	8.0 cP	Baytec XL B
	80 cP	Desmodur ME-230

Mechanical Properties	Original Value	Comments
Hardness, Shore A	85	ASTM D2240
Tensile Strength at Break	20.9 MPa	ASTM D412
Elongation at Break	540 %	ASTM D412
100% Modulus	0.00503 GPa @Strain 100 %	ASTM D412
200% Modulus	0.00655 GPa @Strain 200 %	ASTM D412
300% Modulus	0.00848 GPa @Strain 300 %	ASTM D412
Resilience	66	[%], Bayshore; ASTM D2632
Tear Strength	80.0 pli	Split; ASTM D1938
	410 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	7.0 @Load 1.00 kg	H-18 wheel; ASTM D4060
Compression Set	23 % @Temperature 70.0 °C, Time 79200 sec	ASTM D395-B

Processing Properties	Original Value	Comments
Processing Temperature	45.0 - 60.0 °C	Baytec XL B
	65.0 °C	Desmodur ME-230
	70.0 °C	Baytec T20
Mold Temperature	80.0 °C
Pot Life	3.00 - 4.00 min

Descriptive Properties
Appearance	liquid	Desmodur ME-230
	solid	Baytec T20
	solid	Baytec XL B
Content	0.025	Parts by weight of Dabco T-12 per 100 parts of Baytec XL B
	0.5-0.7	Parts by weight of Dabco 33LV per 100 parts of Baytec XL B
	100	Parts by weight of Desmodur ME-230 prepolymer
	1000 EW	NCO, Baytec T20
	15	Parts by weight of Baytec XL B
	185	Parts by weight of Baytec T20
	22.7-23.3%	NCO, Desmodur ME-230
	45 EW	NCO, 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 go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
Covestro Desmodur GS-V85A + Baytec GS-V85A Polyol + Baytec XL B, 93A Polyurethane, MDI-Ester
Dow SZ-1175 Silicone Surfactant
Lanxess Addocat® 104 PU Catalyst/Activator
Covestro Desmodur 352 + Baytec 352P + Baytec XL B 76A Polyurethane, MDI Ester
Covestro Bayflex® XGT-16 Polyurethane Elastomeric RIM, MDI-based 2-Component Liquid System

PCOVEST0484 / 202267

	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