Marine airbag guard string Give you a detailed introduction Marine airbag guard string Product classification of, including Marine airbag guard string The purpose, model, scope, pictures, news and price of all products under. At the same time, we have selected Marine airbag guard string The classified industry information, price quotations, exhibition information, picture materials, etc. have won praise from users nationwide. For more details, please click to visit!
-
1、 Brief introduction of polyurethane (PU), which is called polyurethane in full, is a general term for macromolecular compounds containing repeated carbamate groups on the main chain. It is an organic polymer material that is reacted by polyisocyanates and polyols and has multiple carbamate segments. It was first developed by Bayer in 1937
Published on: June 21, 2019 Number of hits: 59