MatWeb - Material Property Data Advertise with MatWeb!     Register Now
Data sheets for over 180,000 metals, plastics, ceramics, and composites.
MatWeb - Material Property Data HOME  •   SEARCH  •   TOOLS  •   SUPPLIERS  •   FOLDERS  •   ABOUT US  •   FAQ  •   LOG IN    
Recently Viewed Materials (most recent at top)  

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.

  Searches:   Advanced  | Category  | Property  | Metals  | Trade Name  | Manufacturer  | Recently Viewed Materials
  

Rulon Bearings

Covestro Desmodur 352 + Baytec 352P + Baytec XL B 76A Polyurethane, MDI Ester
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.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.22 g/cc1.22 g/ccat processing temp, Desmodur 352
Viscosity 8.0 cP8.0 cPat processing temp, Baytec XL B
 105 - 175 cP105 - 175 cPat processing temp, Desmodur 352
 1620 cP
@Temperature 73.0 °C
1620 cP
@Temperature 163 °F
at processing temp, Baytec 352P
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 7676ASTM D2240
Tensile Strength at Break 16.6 MPa2410 psiASTM D412
Elongation at Break 409 %409 %ASTM D412
Resilience 2727[%], Bayshore; ASTM D2632
Tear Strength 13.0 kN/m74.0 pliSplit; ASTM D1938
 71.7 kN/m409 pliDie C; ASTM D624
Taber Abrasion, mg/1000 Cycles 8080mg loss; ASTM D3489
Compression Set 69 %
@Temperature 70.0 °C,
Time 79200 sec
69 %
@Temperature 158 °F,
Time 22.0 hour
ASTM D395-B
 
Processing PropertiesMetricEnglishComments
Processing Temperature 25.0 °C77.0 °FDesmodur 352
 45.0 - 60.0 °C113 - 140 °FBaytec XL B
 80.0 °C176 °FBaytec 352P
Mold Temperature 110 °C230 °F
Pot Life 4.00 - 5.00 min4.00 - 5.00 min
 
Descriptive Properties
AppearanceliquidDesmodur 352
 liquidBaytec XL B
 white solidBaytec 352P
Content0.025Parts by weight of Dabco T-12 per 100 parts of Baytec XL B
 100Parts by weight of Desmodur 352 prepolymer
 1145 EWNCO, Baytec 352P
 15.11Parts by weight of Baytec XL B per 100 parts of Desmodur 352 prepolymer
 25.5-26.5%NCO, Desmodur 352
 302.11Parts by weight of Baytec 352P polyol per 100 parts of Desmodur 352 prepolymer
 45 EWNCO, 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 view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
Covestro Acclaim® 2200 Polyol
Covestro Desmodur® BL 1100/1 Polyurethane
Covestro Desmodur® E 1160 MPA/X Polyurethane
Covestro Desmodur® E 15 Polyurethane
Covestro Desmodur® E 21 Polyurethane

PCOVEST0317 / 202100

Aluminum Castings

Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at info@matweb.com. We appreciate your input.

The contents of this web site, the MatWeb logo, and "MatWeb" are Copyright 1996-2025 by MatWeb, LLC. MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.