Phapang pakeng tsa PVC e bonolo le PVC e thata

PVC e ka aroloa ka lisebelisoa tse peli: PVC e thata le PVC e bonolo. Lebitso la saense la PVC ke polyvinyl chloride, e leng karolo ea mantlha ea polasetiki 'me hangata e sebelisoa ho etsa lihlahisoa tsa polasetiki. E theko e tlaase ebile e sebelisoa haholo. PVC e thata e nka karolo ea bobeli ho tse tharo ea 'maraka, athe PVC e bonolo e nka karolo ea boraro. Joale, phapang ke efe pakeng tsa PVC e bonolo le PVC e thata?

1. Likhato tse fapaneng tsa bonolo le boima

Phapang e kholo ka ho fetisisa e teng ka boima ba bona bo fapaneng. PVC e thata ha e na li-softeners, e na le maemo a bonolo, e bonolo ho theha, 'me ha e brittle habonolo, ha e chefo ebile ha e na tšilafalo, e na le nako e telele ea polokelo,' me e na le tsoelo-pele e kholo le boleng ba kopo. PVC e bonolo, ka lehlakoreng le leng, e na le li-softeners tse nang le bonolo bo botle, empa li na le tšekamelo ea ho brittleness le bothata ba ho boloka, kahoo ho sebetsa ha eona ho lekanyelitsoe.

1. Themefuta ea lisebelisoali fapane

Ka lebaka la ho tenyetseha ha eona hantle, PVC e bonolo e atisa ho sebelisoa bakeng sa bokaholimo ba masela a tafole, fatše, siling le letlalo; Hard polyvinyl chloride e sebelisoa haholo liphaepheng tse thata tsa PVC, li-fittings le profiles.

3. Thelitšobotsili fapane

Ho latela pono ea litšobotsi, PVC e bonolo e na le mela e metle ea ho otlolla, e ka atolosoa, 'me e na le khanyetso e ntle ea mocheso o phahameng le o tlaase. Ka hona, e ka boela ea sebelisoa ho etsa masela a tafole a bonaletsang. Thempereichara ea tšebeliso ea PVC e thata ka kakaretso ha e fete likhato tse 40, 'me haeba mocheso o phahame haholo, lihlahisoa tse thata tsa PVC li ka senyeha.

4. Thethepali fapane

Boima ba PVC e bonolo ke 1.16-1.35g/cm ³, Sekhahla sa ho monya metsi ke 0.15 ~ 0.75%, mocheso oa phetoho ea khalase ke 75 ~ 105 ℃, 'me sekhahla sa ho honyeha ha ho bopa ke 10 ~ 50 × 10- ³cm/cm. PVC e thata ka tloaelo e na le bophara ba 40-100mm, marako a ka hare a boreleli a nang le khanyetso e tlase, ha e na sekala, e seng chefo, e se nang tšilafalo, le thepa e thibelang ho bola. Mocheso oa tšebeliso ha o moholo ho feta likhato tse 40, kahoo ke pipe ea metsi a batang. Ho hanyetsa botsofali hantle le ho thibela lelakabe.