news Marine wind power blade core material tri(dimethylaminopropyl)amine CAS 33329-35-0 salt spray corrosion resistance foaming system Ocean wind power blade core material tri(dimethylaminopropyl)amine CAS 33329-35-0 salt spray corrosi... 03/2019Marine wind power blade core material tri(dimethylaminopropyl)amine CAS 33329-35-0 salt spray corrosion resistance foaming system