Modified Diphenylmethane Diisocyanate (MDI) Terminated Polyester Prepolymers
itwc offers a proven line of high quality polyester prepolymers with flexible processing parameters and properties such as excellent tear strength, low compression set, and resistance to grease and oil.
Flexible foam, microcellular and adhesives applications calling for 95A Shore hardness are suggested for IT-11. The NCO range is 8.9 to 9.2 and higher NCOs are available.
The largest prepolymer product line for itwc, IT-22 yields a 86A Shore hardness when processed with EXT-1006. Standard NCO range is 6.5 to 6.75 and higher NCOs are also available. High performance elastomers are an excellent application for IT-22.
With a Shore hardness of 93A when processed with EXT1006, suggested applications include high performance elastomers.
For high property elastomers, coatings and adhesive, IT-32 has a Shore hardness of 85A and a standard NCO range of 6.4 to 6.7. Higher NCOs are also available.
With a Shore hardness of 87A, suggested applications include high property elastomers, coatings and adhesives. Standard NCO range is 6.9 to 7.2 and higher NCOs are also available. p>
High property elastomers, coatings and adhesives are suggested applications for IT-34 with its 88A hardness and NCo range of 7.6 to 7.9. HIgher NCOs are also available.
All urethane products must be tested – including field testing – in advance by the user to determine suitability of the selected product(s) in that application. All information on this website is for general information purposes only. Please contact us or your ITWC sales representative for more information and/or material selection assistance.