{"id":163,"date":"2026-06-04T09:38:16","date_gmt":"2026-06-04T09:38:16","guid":{"rendered":"https:\/\/defoamer.net\/?p=163"},"modified":"2026-06-04T09:42:04","modified_gmt":"2026-06-04T09:42:04","slug":"defoamer-shtesa-e-vogel-qe-ndalon-shkumen-te-shkaterroje-te-gjithe-serine","status":"publish","type":"post","link":"https:\/\/defoamer.net\/sq\/defoamer-the-small-addition-that-stops-foam-from-wrecking-an-entire-batch\/","title":{"rendered":"Defoamer: Shtesa e vog\u00ebl q\u00eb ndalon shkum\u00ebn t\u00eb shkat\u00ebrroj\u00eb t\u00ebr\u00eb serin\u00eb"},"content":{"rendered":"<div>\n<p dir=\"auto\">Pas m\u00eb shum\u00eb se nj\u00ebzet e pes\u00eb vjet\u00ebsh pun\u00eb n\u00eb impiantet e boj\u00ebrave dhe t\u00eb veshjeve, kam par\u00eb q\u00eb shuma e tep\u00ebrt e krijuar nga ajri ka kthyer at\u00eb q\u00eb duhej t\u00eb ishte nj\u00eb proces prodhimi i thjesht\u00eb n\u00eb nj\u00eb dit\u00eb t\u00eb gjat\u00eb me refuzime dhe ripunime. Nuk ka r\u00ebnd\u00ebsi sa i mir\u00eb \u00ebsht\u00eb shp\u00ebrndarja e pigmentit ose sistemi i rezin\u00ebs \u2014 n\u00ebse shuma e q\u00ebndrueshme arrin n\u00eb boj\u00ebn e p\u00ebrfunduar, p\u00ebrfundoni me vrima t\u00eb im\u00ebta, kratera, rrjedhje t\u00eb dob\u00ebt dhe klient\u00eb t\u00eb pak\u00ebnaqur. Defoamer\u00ebt jan\u00eb shtesa q\u00eb n\u00eb heshtje parandalojn\u00eb shumic\u00ebn e k\u00ebtyre problemeve, por vet\u00ebm kur zgjidhni llojin e duhur dhe e p\u00ebrdorni si duhet.<\/p>\n<p dir=\"auto\"><!--more--><\/p>\n<p dir=\"auto\">Shkuma formohet kur ajri p\u00ebrfshihet n\u00eb l\u00ebng gjat\u00eb p\u00ebrzierjes me prerje t\u00eb lart\u00eb, pompimit ose mbushjes, dhe flluskat stabilizohen nga t\u00eb nj\u00ebjtat surfaktant\u00eb dhe dispersant\u00eb q\u00eb jan\u00eb t\u00eb nevojsh\u00ebm p\u00ebr formulimin. N\u00eb sistemet me baz\u00eb uji problemi zakonisht \u00ebsht\u00eb m\u00eb i keq p\u00ebr shkak t\u00eb niveleve m\u00eb t\u00eb larta t\u00eb surfaktant\u00ebve. Nj\u00eb defoamer i mir\u00eb vepron duke pasur tension sip\u00ebrfaq\u00ebsor shum\u00eb t\u00eb ul\u00ebt, k\u00ebshtu q\u00eb p\u00ebrhapet shpejt n\u00eb sip\u00ebrfaqen e fllusk\u00ebs, zhvendos film\u00ebn stabilizuese dhe b\u00ebn q\u00eb muri i fllusk\u00ebs t\u00eb hollohet dhe t\u00eb shp\u00ebrthej\u00eb. Shum\u00eb produkte moderne p\u00ebrmbajn\u00eb gjithashtu grimca t\u00eb vogla hidrofobike q\u00eb ndihmojn\u00eb n\u00eb shpuarjen e film\u00ebs nga brenda.<\/p>\n<p dir=\"auto\">Ka tre familje kryesore q\u00eb i p\u00ebrdor rregullisht. Defoamer\u00ebt me baz\u00eb vaji mineral jan\u00eb t\u00eb q\u00ebndruesh\u00ebm dhe me kosto efektive, ve\u00e7an\u00ebrisht n\u00eb veshjet industriale dhe t\u00eb mir\u00ebmbajtjes. Produktet me baz\u00eb silikoni, zakonisht polidimetilsiloksane t\u00eb modifikuara, ofrojn\u00eb ulje t\u00eb shpejt\u00eb t\u00eb shkum\u00ebs me doza shum\u00eb t\u00eb ul\u00ebta dhe p\u00ebrdoren gjer\u00ebsisht n\u00eb boj\u00ebrat arkitektonike dhe ato me shk\u00eblqim t\u00eb lart\u00eb me baz\u00eb uji. Opsionet me baz\u00eb polimer\u00ebsh ose pa silikon jan\u00eb b\u00ebr\u00eb m\u00eb t\u00eb njohura aty ku shqet\u00ebsimet rregullatore ose t\u00eb p\u00ebrputhshm\u00ebris\u00eb p\u00ebrjashtojn\u00eb silikonet tradicionale.<\/p>\n<p dir=\"auto\">Mbaj mend ende nj\u00eb projekt me boj\u00eb enamel akrilike industriale me baz\u00eb uji para disa vitesh q\u00eb tregoi dallimet e v\u00ebrteta. Ne po shp\u00ebrndanim TiO\u2082 dhe pigmente organike n\u00eb 32 % PVC n\u00eb nj\u00eb dispersim akrilik. Pa asnj\u00eb defoamer, baza e mullirit krijoi shum\u00eb shkum\u00eb. Pas dhjet\u00eb minutash dispersimi me shpejt\u00ebsi t\u00eb lart\u00eb n\u00eb nj\u00eb cilind\u00ebr graduar 250 ml, lart\u00ebsia e shkum\u00ebs arriti 175 mm dhe q\u00ebndroi aty. Boja e p\u00ebrfunduar tregoi nj\u00eb mesatare prej 14 vrimash t\u00eb im\u00ebta p\u00ebr 10 cm\u00b2 n\u00eb mostrat e t\u00ebrheqjes, shk\u00eblqimi n\u00eb 60\u00b0 ishte vet\u00ebm 64 nj\u00ebsi, dhe panelet e sp\u00ebrkatura kishin kratera t\u00eb dukshme.<\/p>\n<p dir=\"auto\">Pastaj ne zbatuam t\u00eb nj\u00ebjt\u00ebn formul\u00eb baz\u00eb me tre defoamer\u00eb t\u00eb ndrysh\u00ebm t\u00eb shtuar n\u00eb 0.3 % aktiv gjat\u00eb faz\u00ebs s\u00eb letdown:<\/p>\n<ul dir=\"auto\">\n<li>Nj\u00eb defoamues standard me vaj mineral uli lart\u00ebsin\u00eb e shkum\u00ebs n\u00eb 70 mm. Poret e vogla ran\u00eb n\u00eb rreth 5 p\u00ebr 10 cm\u00b2, por filmi i thar\u00eb kishte nj\u00eb mjegull t\u00eb leht\u00eb dhe shk\u00eblqimi arriti vet\u00ebm 71 nj\u00ebsi. Pas dy jav\u00ebsh n\u00eb 50 \u00b0C pam\u00eb nj\u00eb ndarje t\u00eb leht\u00eb n\u00eb sip\u00ebrfaqe.<\/li>\n<li>Nj\u00eb emulsioni silikoni konvencional uli lart\u00ebsin\u00eb e shkum\u00ebs n\u00eb 18 mm dhe eliminoi vrimat e vogla n\u00eb t\u00eb dy mostrat e t\u00ebrheqjes dhe n\u00eb panelet e sp\u00ebrkatura. Shk\u00eblqimi u p\u00ebrmir\u00ebsua n\u00eb 82 nj\u00ebsi. Stabiliteti gjat\u00eb magazinimit ishte i mir\u00eb, megjithat\u00eb v\u00ebrejt\u00ebm nj\u00eb rritje t\u00eb leht\u00eb t\u00eb rr\u00ebshqitjes q\u00eb m\u00eb von\u00eb shkaktoi probleme t\u00eb vogla kur klienti d\u00ebshironte t\u00eb rip\u00ebrpunonte sip\u00ebrfaqen.<\/li>\n<li>Nj\u00eb silikon i modifikuar me polieter dha lart\u00ebsi t\u00eb shkum\u00ebs prej 15 mm, pa vrima t\u00eb vogla dhe shk\u00eblqimin m\u00eb t\u00eb lart\u00eb prej 86 nj\u00ebsish. Ai gjithashtu tregoi stabilitetin m\u00eb t\u00eb mir\u00eb afatgjat\u00eb \u2014 pa ndarje apo ndryshim t\u00eb viskoziteti pas 30 dit\u00ebsh n\u00eb temperatur\u00eb dhome. E vetmja kompromis ishte nj\u00eb rritje e vog\u00ebl e rr\u00ebshqitjes sip\u00ebrfaq\u00ebsore, t\u00eb cil\u00ebn e menaxhuam duke ulur doz\u00ebn n\u00eb 0,25 %.<\/li>\n<\/ul>\n<p dir=\"auto\">Versioni me silikon t\u00eb modifikuar u b\u00eb standardi yn\u00eb p\u00ebr at\u00eb linj\u00eb sepse ofronte filmin m\u00eb t\u00eb past\u00ebr pa krijuar defekte t\u00eb reja. Ne e ndam\u00eb sasin\u00eb e shtes\u00ebs \u2014 gjysm\u00ebn n\u00eb mullim dhe gjysm\u00ebn n\u00eb letdown \u2014 gj\u00eb q\u00eb ofroi pak m\u00eb shum\u00eb q\u00ebndrueshm\u00ebri sesa shtimi i gjith\u00e7kaje nj\u00ebher\u00ebsh.<\/p>\n<p dir=\"auto\">Ai test theksoi m\u00ebsimet q\u00eb kam par\u00eb t\u00eb p\u00ebrs\u00ebriten n\u00eb shum\u00eb impiante. Doza \u00ebsht\u00eb kritike me silikonet; zakonisht mjafton 0,1\u20130,4 %. Nj\u00eb doz\u00eb shum\u00eb m\u00eb e lart\u00eb shpesh krijon defekte t\u00eb tipit \"fish-eye\" ose kratera, ve\u00e7an\u00ebrisht n\u00eb sisteme me shk\u00eblqim t\u00eb lart\u00eb ose q\u00eb mund t\u00eb rip\u00ebrpunojn\u00eb. Pika e shtimit ka gjithashtu r\u00ebnd\u00ebsi. Vendosja e gjith\u00eb doz\u00ebs n\u00eb mullim mund t\u00eb ul\u00eb efektivitetin m\u00eb von\u00eb p\u00ebr shkak t\u00eb forc\u00ebs prer\u00ebse. Testimi i kompatibilitetit mbi substratin aktual dhe me formulimin e plot\u00eb \u00ebsht\u00eb i pakompromentuesh\u00ebm \u2014 nj\u00eb produkt q\u00eb funksionon n\u00eb m\u00ebnyr\u00eb t\u00eb p\u00ebrkryer n\u00eb nj\u00eb akrilik mund t\u00eb krijoj\u00eb kratera t\u00eb m\u00ebdha n\u00eb nj\u00eb tjet\u00ebr kur jan\u00eb t\u00eb pranish\u00ebm disa agjent\u00eb lag\u00ebsie.<\/p>\n<p dir=\"auto\">Nga p\u00ebrvoja, impiantet q\u00eb kan\u00eb m\u00eb pak probleme me shkum\u00eb trajtojn\u00eb zgjedhjen e defoamer-it si nj\u00eb pun\u00eb serioze formulimi, jo si nj\u00eb mendim t\u00eb m\u00ebvonsh\u00ebm. Ata kryejn\u00eb prova t\u00eb duhura krahasuese, matin lart\u00ebsin\u00eb e shkum\u00ebs menj\u00ebher\u00eb dhe pas 24 or\u00ebsh, kontrollojn\u00eb film\u00ebn e thar\u00eb n\u00ebn ndri\u00e7im t\u00eb mir\u00eb dhe gjithmon\u00eb verifikojn\u00eb stabilitetin gjat\u00eb magazinimit dhe performanc\u00ebn e rip\u00ebrmbulesh\u00ebs. Gjithashtu mbajn\u00eb regjistra se cilat cil\u00ebsi performojn\u00eb m\u00eb mir\u00eb me kombinimet e tyre specifike t\u00eb pigmentit dhe rezin\u00ebs.<\/p>\n<p dir=\"auto\">Asnj\u00eb defoamues i vet\u00ebm nuk zgjidh \u00e7do problem. Llojet e vajrave mineral\u00eb mund t\u00eb shkaktojn\u00eb mjegull n\u00eb veshjet e qarta. Disa silikone ndikojn\u00eb n\u00eb aderimin nd\u00ebrmjet shtresave. Produktet me baz\u00eb polimeresh ndonj\u00ebher\u00eb k\u00ebrkojn\u00eb doza m\u00eb t\u00eb larta. Aft\u00ebsia e v\u00ebrtet\u00eb q\u00ebndron n\u00eb p\u00ebrputhjen e kimis\u00eb me burimin e shkum\u00ebs, metod\u00ebn e aplikimit dhe k\u00ebrkesat p\u00ebr filmin p\u00ebrfundimtar, dhe m\u00eb pas n\u00eb konfirmimin e zgjedhjes me testime praktike, n\u00eb vend q\u00eb t\u00eb mb\u00ebshtetesh vet\u00ebm te flet\u00ebt e t\u00eb dh\u00ebnave.<\/p>\n<p dir=\"auto\">Kur p\u00ebrdoret defoameri i duhur n\u00eb nivelin e duhur dhe shtohet n\u00eb faz\u00ebn e duhur, shumica e njer\u00ebzve as nuk e v\u00ebrejn\u00eb q\u00eb ai ka qen\u00eb aty. Prodhimi shkon m\u00eb rrjedhsh\u00ebm, refuzimet bien, dhe veshja e p\u00ebrfunduar duket ashtu si\u00e7 duhej. Kjo besueshm\u00ebri e qet\u00eb \u00ebsht\u00eb arsyeja pse, pas gjith\u00eb k\u00ebtyre viteve, ende e konsideroj zgjedhjen e defoamerit nj\u00eb nga vendimet me ndikimin m\u00eb t\u00eb madh n\u00eb \u00e7do formulim.<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<div><\/div>","protected":false},"excerpt":{"rendered":"<p>After more than twenty-five years working in paint and coatings plants, I\u2019ve seen foam turn what should have been a straightforward production run into a long day of rejects and rework. It doesn\u2019t matter how good the pigment dispersion or resin system is \u2014 if persistent foam carries through to the finished paint, you end [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-163","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/posts\/163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/comments?post=163"}],"version-history":[{"count":4,"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/posts\/163\/revisions"}],"predecessor-version":[{"id":167,"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/posts\/163\/revisions\/167"}],"wp:attachment":[{"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/media?parent=163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/categories?post=163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/defoamer.net\/sq\/wp-json\/wp\/v2\/tags?post=163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}