HomelinessKuvaka

Polyurethane pendi - pendi uri

Recent emakore zvakaratidza kuti kukura yazvino haagumiri kuti wechipiri. Dzakabudirira coatings dzakawanda itsva, kwakavandudzwa ano, kuwedzera mikana vavaki uye vatengi vanoda. The chikuru chezvinonhuwira kukura ano rava rakagadzirwa nevanhu zvinhu - polyurethane. Rinoshandiswa nevakawanda, asi kazhinji inogona kuonekwa sechinhu yokutsiva rwokuzvarwa rabha uye rabha. Zvisinei, mashoko nemamwe ehupfumi kuti polyurethane kuvabvumira kuti kutsiva mapurasitiki uye kunyange simbi.

Zvino, zvisinei, tichataura pamusoro chigadzirwa ichi ave polyurethane pendi. zvinhu kwakadaro ane zvakakwana chaizvo maitiro, ane mari shoma, uye unopikiana zvokuimba deformation, angakudzivisai navanopinda tembiricha siyana uye ane zvakakwana refu upenyu basa.

Polyurethane pendi zvakare dzinoratidzwa anokudzwa kurwisa kune zvinoparadza kufurirwa acids uye alkalis, nemafuta siyana uye peturu. Kwakadaro pendi coatings inogona mapoka mapoka maviri: chimwe chikamu uye vaviri-chikamu.

Sezvo zita rinoreva, musiyano mukuru pakati mapoka maviri aya ane mari zvinoriumba. Mumwe-chinoumba pendi chinhu anonzwisisa rabha-kufanana pendi, iyo sokunge akangofananawo pendi. yeimwe kwakadaro dzinotengeswa pakarepo vakagadzirira kushandisa, izvo zvinoreva kuti hapana mamwe matanho kuti gadziriro yayo, izvo zvinoderedza zvikuru ya basa rokugadziridza.

Panguva iyoyowo, peya yenhengo kuti vanoumba iri polyurethane unhani - achirapa mumiririri uye anotsvedzerera anobuda pamiti nemakwenzi marongerwo - dziri mumidziyo siyana. Vanofanira kuva chokuita chaiyo kukura. Zvisinei, ruzivo urwu ane zvakawanda zvakanaka zvinhu:

1. Kana unhani inofanira nokuomesa kana polymerization kuti murwiyo. Iye zvinobudirira Anomhanyira pasina unyoro, uye naizvozvo, zvakadai maitiro runoita kwete kuteerera kuakunda zvinhu zvakadai sechando, mvura, bvungapfunga.

2. Easy kubudisa aida Vhoriyamu pendi zvinhu. Kuva mukana ruminant chete yaidiwa uwandu ingi kunogona kuderedza kuparadzwa kwayo uye, naizvozvo, kuti tichengetedze kutenga zvinhu. Zvisinei, polyurethane pendi havaratidzi mudura dilution iri kwenguva yakareba. Kunyange pasi zvimwe ezvinhu.

3. Use Zvinoguma hwakasimba uye hunogara unhani. Nezvenyaya iyi, vaviri-chinoumba unhani ane chinokosha paanopfuura dzose kuroorwa zvinoriumba.

Somugumisiro, polyurethane unhani inopa kusakara nemishonga kwakavharwa nenyama unhani riri zvakakwana husingakwanisi zvokuimba kukuvadza uye makemikari, uye unopikiana UV. bemhapemha kwakadaro zvinowanzodavirwa rakapararira nokushandiswa pakawanda: zvinokwanisika uye kwokunze uye zvemukati mufanidzo.

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