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... 03/2090Marine wind power blade core material tri(dimethylaminopropyl)amine CAS 33329-35-0 salt spray corrosion resistance foaming system