NCO content of IPDI(isophorene diisocyanate) is 37.5%...Some papers claim that the NCO content after mixing this IPDI with D-2000 in 1 to 1 ratio results in 15%.... How do I calculate this?
Abdelkader BOUAZIZ
Dear Khanisya Palaniandy, these RG links and the attached file answer your question. My Regards
http://www.pmahome.org/main/resources-and-publications/virtual-technical-library/section-5/
https://www.researchgate.net/post/What_is_the_NCO_OH_ratio_and_what_does_it_mean_How_can_I_calculate_it/amp
https://www.researchgate.net/post/How_to_do_back-titration_of_NCO_prepolymer_using_di-n-butylamine/amp
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