Lub tshav kub tsis kam ntawm pvc siab npaum li cas?

Lub tshav kub tsis kam ntawm pvc siab npaum li cas?

Hauv peb lub neej niaj hnub, ntau tus neeg yuav nruab qee cov ntaub ntawv pvc hauv lawv lub tsev, yog li cas pvc tuaj yeem tiv taus qhov kub thiab txias?

1. Muaj pes tsawg degrees tuaj yeem pvc tiv taus kub

a. Ordinary pvc tuaj yeem tiv taus qhov kub ntawm 60 degrees. Qee tus neeg hais tias PVC tuaj yeem tiv taus qhov kub ntawm 100 degrees. Qhov ntawd yog tsis yooj yim sua, thiab pvc tsis tuaj yeem dais qhov kub ntawm 100 degrees feem ntau. Raws li cov ntaub ntawv pov thawj tam sim no, pvc Qhov kub siab tshaj plaws tuaj yeem tiv taus txog 80 degrees rau lub sijhawm ntev.

b. Nws tuaj yeem tiv taus cov ntim ntawm li 80 degrees, thiab tuaj yeem raug tshav ntuj ntev ntev. Nyob rau hauv cov cheeb tsam no, lub hardness ntawm pvc yuav tsis txo tab sis yuav nce, thiab lub toughness kuj yuav ntxiv dag zog rau, thiab tseem ceeb tshaj, nws yuav tsis cuam tshuam rau pvc. xim.

c. Raws li ib txwm muaj, pvc tuaj yeem siv tau ntawm 60 degrees rau lub sijhawm ntev. Yog tias pvc siab dua 100 degrees, qee zaus ib zaug lossis ob zaug, tsuav nws tsis tshaj peb lossis tsib feeb, yuav tsis muaj teeb meem, tab sis yog tias nws dhau qhov no Lub sijhawm pvc kuj tsis tuaj yeem tiv taus qhov kub thiab txias.

2. Kev ceev faj rau kev siv pvc yog dab tsi

a. Thaum peb siv pvc, yog tias peb tsis ua qhov kev tsim kho rau lub sijhawm luv luv, sim tsis txhob muab pvc tso rau hauv lub hnub kom ntau li ntau tau, uas yuav ua rau kom muaj kev laus ntawm cov yeeb nkab pvc lub cev. Txawm hais tias pvc tiv taus qhov kub thiab txias, cov yeeb nkab pvc dav dav Nws muaj qee cov ntaub ntawv yas, uas yuav ua rau nkig thiab tawg ntawm qhov kub thiab txias rau lub sijhawm ntev.

b. Thaum siv pvc, tsis txhob tsim hauv qhov chaw qis dua 5 degrees. Txhua tus paub tias pvc muaj lub neej ntev thiab qhov pib yuav tsis muaj teeb meem, tab sis nws tsis haum rau qhov kub thiab txias. Kev tsim kho, qhov no kuj yuav cuam tshuam rau nws lub neej.

Cov saum toj no yog cov ntaub ntawv tseem ceeb thiab cov ntsiab lus ntawm qhov kub thiab txias ntawm PVC uas peb tau sau tseg rau koj. Kuv vam tias nws yuav pab tau koj. Yog tias koj muaj lus nug, koj tuaj yeem tiv tauj peb txhua lub sijhawm, thiab peb yuav daws koj cov teeb meem raws sijhawm.