PVA lo: kev specifications thiab nta

PVA kua nplaum, cov kev yam ntxwv uas koj yuav saib tau hauv qab no, yog ib qho aqueous dispersion ntawm polyvinyl acetate nyob rau hauv cov txheej txheem rau nws mus ntxiv tshwj xeeb cov neeg ua hauj thiab plasticizers. Qhov no muaj pes tsawg leeg yog thov rau tsevneeg tag nrho cov hom ntawm cov chaw rau cov hom ntoo, ntawv, textiles thiab tawv.

Siv cov kev faib thiab domestic PVC

PVA kua nplaum, uas yuav pab tau koj txiav txim seb cov kev yam ntxwv nrog ib tug xaiv tej zaum yuav domestic, nws yog tej zaum hu ua wallpapering. Nws yog siv rau tsevneeg cov khoom ua los ntawm daim ntawv-raws li, rau cov ntoo, stucco thiab xis mas chaw. Yog lwm ntau yam ntawm no muaj pes tsawg leeg, uas yog hu ua lub tsev thiab yog siv rau cov tsevneeg iav fiber, daim ntawv thiab yas wallpaper. Qhov no sib tov yuav muab ntxiv rau primer compositions rau kev txhim kho cov kev siv technology tshiab zog thiab adhesion raws li plastering thiab hauv ob sab phlu compositions.

universal PVC

PVA kua nplaum, cov kev yam ntxwv uas yog nyob rau hauv no tsab xov xwm yuav ua tau universal. Nws muaj hauv daim ntawv ntawm ib tug homogeneous khov loj dawb los yog yellowish xim. Siv rau kev sib nplaum ntawv los yog ntaub iav, ntoo los sis hlau chaw. Nws yog siv raws li kev tivthaiv shpaklovok, primers, cementitious compositions ua dej-puag. Universal muaj pes tsawg leeg ntawm no zoo tso cai los lo rau qhov chaw ntawm linoleum, pobzeb, ntaub pua plag, ntaub lo phab ntsa, cov khoom cua. Bonding yuav nqa tawm nyob rau hauv lub tsev daim phiaj, ib daim ntawv substrate los yog ib tug txheej ntawm cork.

kev yam ntxwv

PVA lo sau, cov yam ntxwv uas pab tus nyeem ntawv muaj ib tug creamy kev ntxhib los mos thiab muaj ib tug tsw ntawm yas haus dej haus cawv. Qhov no muaj pes tsawg leeg yog tsis mob toxic, nws ua mob ab tsi rau daim tawv nqaij. Additives txawv tej friendliness, thiab cov yooj yim cov yam ntxwv xws li zoo heev nplaum muaj peev xwm, uas sib txawv los ntawm 400 mus 550 N / m. Cov nyob tus yeees yog tsis tawg los yog hluav taws kub ruaj, muaj ib tug zoo ntawm cov kua impermeability thiab dej kuj. Av nplaum PVA Universal, kev specifications uas yuam tau txais kev pab kom koj yaum tau nws xaiv yog nws txoj kev, uas tsis yog-tshuaj lom thiab yuav siv tau txawm nyob rau hauv lub chaw ua si. Nws dries li nrog rau feem ntau tsawg heev shrinkage thiab yuav tau sau nyob rau hauv tag nrho cov qhov khoob. Nws yuav siv tau los tsim ib tug pob tshab nyias zaj duab xis uas muaj siab zog. Cov nyob tus yeees yog soluble nyob rau hauv ib tug xov tooj ntawm cov tshuaj, uas broadens lub Scope ntawm siv. Cov nplaum yog ib tug uas tsis muaj nqi, uas qhia cov nyob rau rau tus neeg.

Nta ib tug ntxiv chav kawm ntawv-E

Nrog rau qhov no muaj pes tsawg leeg yog nqa tsevneeg cov khoom ua los ntawm vapor permeable khoom. Cov yav tas yog tsis raug mus rau tshwj xeeb uas yuav tsum tau rau tsevneeg thiab cov lag luam technology. Muaj pes tsawg leeg npaj siv rau cov plywood, ntoo, daim ntawv thiab cov duab los qhia.

Nta nplaum dispersion

PVA kua nplaum, specifications uas yuav tsum tau nyeem ua ntej purchase, ua raws li additive rau mortars siv nyob rau hauv lub khob, printing, thiab lwm qhov chaw ntawm lub khau. Qhov sib ntxiv ntawm lub dispersion pab txoj kev zoo ntawm tuav thiab muab cov khoom zog thiab ductility.

GOST 18992-80

PVA kua nplaum, specifications, Standard uas muaj qhia saum toj no, nws muaj ib tug txias kuj, uas yog manifested rau 4 mus. Khw muaj pes tsawg leeg tom qab siv yuav rau lub hlis. Qhov no sib tov qhia tau hais tias ib tug uas tsis muaj tus nqi ndlwg. Ib square Meter yuav tsum tau 100 rau 900 grams ntawm cov muaj pes tsawg leeg, qhov kawg daim duab yuav nyob ntawm seb hom ntawm kev ua hauj lwm ua. Tag nrho cov hardening tshwm sim nyob rau hauv ib hnub twg.

Lub leeg puv saj zawg zog thiab siab zog. Freezing tsis txhob ua rau kom brittleness thiab yuav ua hauj lwm nrog khoob, cov dav uas yog ob peb millimeters. Emulsified tivthaiv yog soluble nyob rau hauv cov organic tshuaj thiab acetic acid. Cov sib tov yog cov soluble nyob rau hauv cov dej.

Lub tswv yim rau kev ua hauj lwm nrog cov kua nplaum

Thaum uas siv cov muaj pes tsawg leeg nyob rau hauv lub kho los yog kev siv ntawm nws daim ntawv thov yuav nqa tawm ntawm ib tug tshwj xeeb nozzle los yog syringe. Tej yam ua yuav tsum tau nqa tawm los ntawm lub hauv paus feem ntawm tsab xov xwm mus rau lub npoo. Nyob rau hauv thiaj li yuav ua rau kom cov tsevneeg lub zog, qhov chaw yuav tsum tau nias ua ke. Nyob ntawm seb lub hom lo compression yuav ua tau ntev ntev los yog luv luv. Cov thawj cov ntaub ntawv hais txog ib tug technology uas yuav siv ntawm lub ruaj.

xaus

Thaum sib nplaum daim ntawv mus kaws lub tsim ntawm bubbles, qhov no ua rau muaj peev xwm ua tau tiav los ntawm kev siv ib tug menyuam. Yog hais tias muaj pes tsawg leeg tuaj rau pem hauv ntej saum npoo, ces tshem tawm cov nws, koj muaj peev xwm siv cov cuab yeej hu ua Anticlea.