HDI trimer Covesro N3390 author: malin Post: 09/27/2023 115read Comments Off HDI trimer Covesro N3390 This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.allhdi.com/archives/9420 tag:HDI trimer Covesro N3390