Aramid fiber yog hu ua polybenzoylenediamine, thiab carbon fiber, ultra-siab molecular hnyav polyethylene fiber ntau thiab lub ntiaj teb no peb loj-kev ua tau zoo fiber ntau, kuj me me ntom, siab zog, siab modulus, kub kuj, corrosion kuj, rwb thaiv tsev, yog dav .. .
Nyeem ntxiv