Bakelite varnishes: bayani dalla-dalla, tsari da halaye da kuma aikace-aikace reviews

A halin yanzu, Bakelite varnishes ne m kayayyakin amfani a cikin shiri. Suna samar da danshin na phenol da formaldehyde. Kuma wannan shi ne wajibi ne don yin musamman guduro bayani ne barasa-tushen. Don babban aka gyara shiga tare a dauki, ammonia ne kara da cewa. Wannan yanayin ba da ƙãre qagaggun wasu wari.

key Features

Bakelite varnishes ne mai guba, kamar yadda a samar da tsari vapors ne phenol da formaldehyde. Akwai iyaka gaban wannan abu a cikin samar da zauren. Taro 0.3 MG / m ne ba kawo hadari ga mutane. Higher rates kai ga guba, da kuma a wasu lokuta - da kuma mutuwa.

Bakelite lacquer abun da ke ciki wanda qunshi wani flammable abu, kuma yana da wata flash batu na 15 ° C. Complete ƙonewa auku a zazzabi sama gabanin adadi. Bakelite varnishes na wuta ne a cikin aji A. Basic bayanai game da kaddarorin da abu da aka bayyana a cikin normative takardu, wato Gost 12.1.044. Idan wani wuta da ya faru a samar zauren, da ruwa amfani domin ta sarrafawa, yashi, kazalika da musamman irin sinadaran da kuma inji kumfa.

Bakelite varnish: yin amfani da

Wadannan abubuwa ana amfani da daban-daban da masana'antu. Babban manufar - ne kariya daga saman da aka gyara daga danshi ko wasu lalatattu abubuwa. Suna kuma amfani ga zanen gas tankuna. Bakelite varnishes ne m zuwa wasu iri kayayyakin a cikin aiki, tun suna amfani ga impregnating da gluing na raba sassa bayani.

A mafi akai-akai bi da tare da wannan qagaggun fallasa plywood. Bakelite varnish fasaha halaye kamar yadda aka bayyana a cikin labarin, an yi amfani da ba kawai a yi amma kuma a sauran masana'antu. Daga cikin su akwai wadannan:

• Shipbuilding - samar da cikas, daga jirgi da yachts.
• mota masana'antu - samar da ƙananan cover, kazalika da mutum aka gyara.
• yi - dabe, na waje ado na gine-gine, rassanta, da dakuna ado da furniture masana'antu.
• domin yi bindigogi da kuma wasa da wuraren.
• domin yi na yara kayayyakin, da kuma more.

Kan aiwatar da samun wani varnish

Don samar da irin wannan abun da ke ciki, da wadannan kayan ya kamata a yi amfani da: phenol, ethyl barasa, formalin da ammonia. Mene ne halaye na bakelite lacquer da muka sani? Sun dogara ne a kan halaye na bijiro da batun kafa sassa.

Halaye na bijiro da batun kafa kayan

Saboda haka, na farko abu - a phenol. Yana da wani kwayoyin fili wanda dissolves a lamba tare da ruwa. Its daskarewa zafin jiki ne 40 ° C. Formalin - wannan shi ne mai hadarin gaske mai guba abu, wanda aka dauke mai guba. Shi ne bayyananne ruwa da ciwon low matakin na reactivity. Ammonia ne ba a yi amfani da m siffar amma an yi shi da wani rauni ruwa-ruwa bayani.

Ethyl barasa da ake amfani da famfo carbon dauke da abubuwa. A karshen sakamakon shi ne bayyananne ruwa. Yana za a iya fentin a launi daban-daban. Har ila yau a cikin lacquer hada da kayan lambu mai da cellulose. Kafin ƙara da shi ya wuce sosai magani.

The main iri

Yau akwai 9 main iri bakelite lacquers. Kowane daga cikinsu yana amfani da wani musamman masana'antu. Bugu da ƙari kuma, suna da daban-daban percentages na bijiro da batun kafa abubuwa, Ina nufin phenol, formaldehyde, ethanol da ammonia. Tare da canji a cikin adadin daya daga cikin Manuniya cewa canza da kaddarorin na varnish da ayyuka. Alal misali, za mu iya kwatanta brands irin varnishes:

• SBS-1 - don aiki na roba da kuma plywood, wanda ake amfani da su a waje da ciki ado na gidan.
• Lbs-4 - domin daban-daban robobi dauke da ma'adinai fillers.
• Lbs-1 da kuma lbs-2 - dauke bakelite varnishes mafi ingancin da kuma aka yi amfani da shafi robobi da kuma articles steklotekstilnyh.

A varnish amfani da surface na kayan gini ko aka gyara tare da wani goga ko nadi. A karshe sakamakon da aka kafa a kan surface na musamman fim kunsha na Organic ko inorganic abubuwa. Yana kare surface daga danshi da kuma sauran lalatattu abubuwa.

Amfani da gyara

Wannan irin lacquer aka yi amfani da duka biyu na ciki da kuma na waje aiki. Da taimakon na musamman fenti ne mai yiwuwa a cimma da ake so launi daga cikin samfurin. A Properties daga cikin varnish kasance canzawa. Duk da haka, ta yin amfani a cikin gida ne rikitarwa. Kafin da ake ji da surface dole ne a tsabtace wuce haddi tarkace da kuma bushe shi. Bayan shafi, da varnish surface dole ne kadan bi. A zazzabi ya kamata isa 160 ° C. Don cimma wannan zai yi.

Halitta bushewa ne da za'ayi a kan surface 4 hours. Domin a more sosai kariya ne amfani a saman na biyu Layer wanda ya ƙunshi wani takamaiman filler. Duk wadannan suna unfilled. Daga qarshe, da fim kauri kai 0.5 mm.

Don inganta inji ƙarfi daga cikin surface da aka yi amfani da auduga masana'anta cewa an impregnated da bakelite varnish. An sanya a 3 Layer. Wannan fasaha ne kamar haka: na farko masana'anta ya kamata a sosai wanke da kuma bushe don rabu da sitaci.

An yanke a kananan sanduna da kuma tsoma a cikin wani akwati na Paint. Ya kamata jiƙa for 5 da minti. Bugu da ari, nama cire daga ganga da kuma yin amfani da roba safar hannu wring. A impregnated guda jure da waje iska da kuma bushe, don haka cewa gaban sauran ƙarfi da aka rage girmanta. Primed masana'anta ne amfani da bushe a kan surface kuma a saman da buroshi amfani lacquer. Idan ya zama dole mu ƙara inji ƙarfi daga cikin bututu, da masana'anta da aka yanka a cikin wani tsiri na kananan nisa. A hanya sai ta bi shi da guda Lines.

Daga qarshe fim da aka kafa a kan surface na yi, wanda zai kare abu daga daukan hotuna zuwa danshi da kuma wasu dalilai. Yana iya lalace a karkashin dama yanayi:

• idan fiye da 20 ° C surface da zazzabi za a shafa na dogon lokaci.
• idan surface rufi da lacquer, samun hasken rana kai tsaye.

Duk da cewa gyara na bakelite varnish sa wasu wahala, kuna hukunta da sake dubawa na masu amfani da, wannan abu ya rage quite rare.

farashin siyasa

The kudin tsarin ne quite bambance bambancen, dangane da iri, kazalika da yin amfani da sararin samaniya. Farashin irin formulations ne a cikin kewayon daga 300 zuwa 1000 aninai da lita.

ƙarshe

Kamar yadda suka ce da maigida, bakelite varnish ne mai rare kayan da aka yi amfani da ba kawai a cikin masana'antu, amma kuma a cikin rayuwar yau da kullum. Ana amfani da samar da daban-daban da sinadarai da kuma kayayyakin. Mutanen da suka yi amfani da su, ce cewa ta aikace-aikace da fasaha ne fairly sauki. Su ne kawai jaddada cewa wasu sharudda da ya kamata a bi idan aiki tare da fenti. A farko stained yanki ya kamata a ventilated. Yana ba zai iya zama dogon, kamar yadda condensing vapors na phenol gubar zuwa guba.

Saboda haka, za mu gano cewa, wannan shi ne wani bangare, da kuma koya abin da suke da halaye na bakelite lacquer.