Covestro Desmophen polyethers 1380 BT, 5028 GT author: Post: 09/05/2023 37read Comments Off This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemhdi.com/archives/1375 tag:5028 GT Covestro Desmophen polyethers 1380 BT