Letlalo la PVC, lebitso le felletseng la letlalo la maiketsetso la polyvinyl chloride, ke lesela le entsoeng ka lesela le koahetsoeng ka polyvinyl chloride (PVC) resin, plasticizers, stabilizers le li-additives tse ling tsa lik'hemik'hale. Ka linako tse ling e boetse e koahetsoe ka lera la filimi ea PVC. E sebetsoa ka mokhoa o ikhethileng.
Melemo ea letlalo la PVC e kenyelletsa matla a phahameng, theko e tlaase, phello e ntle ea mokhabiso, ts'ebetso e ntle ea ho thibela metsi le tekanyo e phahameng ea tšebeliso. Leha ho le joalo, hangata ha e khone ho finyella phello ea letlalo la sebele ho latela maikutlo le elasticity, 'me ho bonolo ho tsofala le ho thatafala ka mor'a tšebeliso ea nako e telele.
Letlalo la PVC le sebelisoa haholo libakeng tse sa tšoaneng, tse kang ho etsa mekotla, likoahelo tsa setulo, li-linings, joalo-joalo, hape li sebelisoa ka tloaelo mekotleng e bonolo le e thata tšimong ea mokhabiso.