Cov txheej txheem:
Video: Yuav ua li cas yaj PVA kua nplaum?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Yuav Ua Li Cas Tshem PVA
- Siv ib txheej nyias ntawm cov dab dawb rau saum npoo kom huv si siv daim ntaub huv.
- Siv daim ntaub thib ob thiab tsau nws hauv dej sov, xab npum.
- Rov ua cov kauj ruam rau tshem tawm tag nrho cov qhuav PVAc.
- Tshem tawm tawv PVAc residue nrog lub qub, tseem-ntse rab chais hniav.
- Siv lub tshuab nqus tsev vacuum yog tias koj tseem ua tsis tau tshem tawm lub PVAc.
Cov lus nug tseem yog, koj ua li cas yaj PVA?
Yuav ua li cas yaj PVA
- Dej sov. Cov dej sov yuav txo lub sijhawm so.
- Sib tov. Siv nplawm / khiav dej kom txo tau lub sij hawm yaj.
- Pliers. Koj tuaj yeem ua kom ceev PVA tawg los ntawm kev tso cov ntawv luam tawm hauv dej li ntawm 10 feeb, tom qab ntawd tshem tawm feem ntau ntawm kev txhawb nqa nrog cov pliers.
Ib yam li ntawd, yog PVA kua nplaum dej soluble? PVA yog saj zawg zog, mus tas li thiab tsuas yog lom yog tias koj noj nws. Nws muaj qhov nruab nrab pH tus nqi. PVA yog dej soluble . Koj ntxiv tau dej rau tuab kua nplaum koj tus kheej los tsim ib tug thinner, tsawg gloopy ib tug.
Raws li qhov no, koj yuav ua li cas tshem PVA kua nplaum ntawm pob zeb?
Sim cornmeal. Moisten ib daim ntaub thiab dipped nyob rau hauv ib co cornmeal. RUB nws nyob rau hauv ib ncig ntawm lub cheeb tsam kom txog rau thaum lub nplaum raug tshem tawm. Yog cov residue nyuaj rau tshem tawm , siv lub tshuab ntxhua khaub ncaws thiab cia nws teem rau ob peb feeb ua ntej txhuam.
Puas yog PVA kua nplaum dej soluble thaum qhuav?
Lub ntsiab siv ntawm PVA kua nplaum yog li ntoo kua nplaum . Txawm tias feem ntau PVA kua nplaum siv industrially yog dej resistant rau qib 2, uas txhais tau hais tias lawv tuaj yeem txhawb nqa ntau lub voj voog ntawm kev ntub dej / ziab tsis muaj lub kua nplaum ua tsis tau, lawv tsis Waterproof.
Pom zoo:
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