Numekuku ƒe ŋgɔyiyi kple ŋgɔyiyi ƒe nɔnɔmewo le rababa mɔ̃ɖaŋununya si gblẽna me .
South China Mɔ̃ɖaŋununya Yunivɛsiti wɔ polyester rababa (BBPR) si wotu ɖe bio dzi to glutaric acid/sebacic acid copolymerization dzi, si na be tensile strength si nye 10 MPa kple compatibility kple contrally vulcanization processes.