Kev tsim cov hydrophilic fibers xws li cov ntaub so ntswg los yog cov kab hluavtaws tuaj yeem siv los ntxiv micro hmoov pva 17-99 micro hmoov rau lub tshuab pulping. Nyob rau hauv chav tsev kub, pva 17-99 micro hmoov absorbs dej thiab swells, tab sis tsis yaj. vim nws...
nplaum yog cov neeg siv khoom lag luam tseem ceeb vae emulsion, suav txog li 40%. Feem ntau yog siv los ua cov khoom siv rau cov nplaum xws li ntoo, tawv, ntaub, ntawv, cement, qhob, aluminium ntawv ci, galvanized steel daim hlau, thiab lwm yam, nws tuaj yeem siv los ua ib qho ...
cement additivepva raws li cov cement additive tuaj yeem ua kom cov nplaum thiab fluidity ntawm cov cement, qeeb lub sij hawm ziab ntawm cov cement nto, ua kom muaj kev sib haum xeeb, thiab tiv thaiv kev tawg ntawm cov cement txheej. haum rau phab ntsa...
cov hnab ntim khoom pov tseg rau cov ntxhua khaub ncaws ntxhua khaub ncaws, tshuaj dawb, tshuaj pleev xim, tshuaj tua kab, tshuaj ntim tshuaj, ntxhua khaub ncaws hauv tsev kho mob thiab cov neeg mob khaub ncaws, physiological paj rwb, thiab lwm yam.
pom zoo qib: pva 0588, pva 1788.
pva ua rau kev daws teeb meem nrog formaldehyde nyob rau hauv catalysis ntawm hydrochloric acid, uas ua rau cov dej-resistant pva formaldehyde polymer tebchaw, uas yog dav siv nyob rau hauv sab hauv thiab sab nrauv phab ntsa coatings, hniav ...
pva zaj duab xis muaj lub zog zoo, toughness, smoothness, hnav tsis kam, thiab adhesion rau fibers. nws muaj qhov qis me me thiab cov txiaj ntsig zoo, thiab tuaj yeem kho cov ntaub ntawm cov xov paj zoo suav thiab cov khoom siv high-density high-end textiles.
pva muaj...
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