Silicone fili ga mold yin: fasaha bayani dalla-dalla

Silicone fili ne manufa abu ga yi kyawon tsayuwa burbushin Lifecasting da kuma sauran m abubuwa. Kamar yadda ruwa latex, shi ya ba da wani sauki, m, high aminci siffar. Har ila yau yana da ƙarin abũbuwan amfãni - a tsawon rayuwa da kuma juriya ga sinadarai da kuma bazuwar. Wannan ne shawarar abu don samar da zaunanniya siffofin m samfurori. Silicone kyawon tsayuwa ga plaster za a iya sanya a kasa lokaci fiye da latex mold, idan ka yi amfani da "sauri" catalysts. The kawai drawback shi ne cewa shi ne mafi tsada fiye da latex, kuma ba haka ba na roba, abu don katsewa da kuma lalacewa.

Abun da ke ciki na Silicone Material

Wannan abu ya kunshi silicon manna a matsayin tushe da kuma wani platinum mai kara kuzari, wanda accelerates da hardening.

A lokacin da samar da siffofin amfani da wani silicone fili karara, ja, yellow, fari da kuma sauran launuka. A hardener iya samun daban-daban palette ko zama colorless.

Bayan hadawa da biyu aka gyara a dakin da zazzabi silicone abun da ke ciki zama da wuya da kuma zama rubbery bayyanar. Average magance lokaci ga masu rinjaye - tsakanin 18-24 hours, amma hardening lokaci za a iya da yawa rage ta yin amfani da high-yi catalysts.

Iri silicone mahadi

Mafi na kowa roba mahadi amfani don samar da kyawon tsayuwa - wannan RTV, RTV-2 da kuma HTV. Ba kamar roba RTV (dakin da zazzabi vulcanizing) silicone HTV bukatar solidification zazzabi yanayi wucewa 100 ° C.

Daga cikin wadanda suka nuna silicone fili, kowa da kowa yana kokarin yi mai yawa silicones da catalysts tare da daban-daban danko, launi da kuma sauran fasali.

Akwai biyu main azuzuwan na RTV-silicones

1. Tin catalyzed silicones.

2. Silicones a platinum catalysts.

Kowace daga cikinsu yana da abũbuwan amfãni, kuma disadvantages. Tin-catalyzed silicones ne kullum mai rahusa da kuma sauki don amfani. Bã su da wani danko daga low zuwa matsakaici, don haka samfurin kwarara a kusa da rijiyar. A bambanci, platinum suppressed yawa mahadi samu a cikin yanayi, musamman sulfur, tin, amines, sabuwar kerarre polyester, epoxy ko urethane roba articles. Ko bayan da shafi labarin acrylic lacquer silicone fili ta samar da wata platinum-tauri, a gaban sulfur da kuma dauki tare da tinny saman. Wannan ya sa su m ga mutane da yawa na halitta abubuwa. Duk da haka, bayan hardening, suna da mafi girman sinadaran, microbiological da zafi-resistant ikon, kuma kullum kasance m shekaru da yawa. A bambanci, da tin-catalyzed silicones ayan zama gaggautsa bayan 'yan shekaru na amfani da fara raba ko da hawaye. Domin wadannan dalilai, silicones tin kungiyar sukan yi amfani da aiki low girma da simintin. Kuma platinum da ake amfani da aiki mai muhimmanci, musamman a cikin manyan yawa.

ajiya lokaci

Mutane da yawa silicones za a iya amfani da nasarar zuwa 5 shekaru daga sayan kwanan wata idan adana yadda ya kamata a danne a kwantena a wani sanyi, bushe wuri. Duk da haka catalysts rasa su tasiri da sauri, ko da lokacin da ya kamata adana, suna mafi kyau amfani a cikin wani shekara.

inda ya nema

Silicone RTV-2 fili amfani da samar da mahara kofe na figurines. Har ila yau, Kai kayayyakin da polyester, epoxy resins, kakin zuma, plaster, kyandirori, toys, soaps, da dai sauransu

Silicone fili "Pentelast" shi ne abinci da kuma lafiya. A amfani da wannan abu shi ne cewa shi ne mai matuƙar m, kuma ba ya lalata samfur a lokacin kau, wannan roba kyawon tsayuwa za a iya amfani da akai-akai. Ganin cewa wannan abinci-sa silicone da platinum mai kara kuzari, tare da shi ba za ka iya yin silicone kyawon tsayuwa ga plaster kyawon tsayuwa ga wuri da kuma muffins, da wuri da kuma sauran confectionery kayayyakin.

Safety Note

A silicone fili ne in mun gwada hadari da samfur odorless lokacin amfani da daidai, duk da haka da catalysts da thickeners zai zama mai guba da idanu da kuma fata, duk da haka, wadannan sassa na jiki da za a kare.

Hanya a samar da kyawon

• Surface kofe samfurin da aka tsabtace da kuma degreased. Idan ya cancanta, da man shafawa amfani da kakin zuma, da sabulu bayani ko petrolatum.

• The abu ne sosai gauraye, tun a precipitate za a iya kafa a lokacin ajiya.

• Pre-shirye ganga a cikin abin da tushe ga alama. Kamar wancan ganga iya zama wani roba kofin, kwalban ko akwatin. Ya kamata a gwada mike kasa da kuma bangarorin ba tare da fasa kuma ramukan.

• A wani akwati mai tsabta diluted-akai da kuma hardener har wani taro yi kama.

• Domin kimanta da adadin silicone ake bukata, kana bukatar yin lissafi da girma zuba, don haka da cewa samfurin da aka rufe gaba daya. Wani zabin - za ka iya kawai rufe surface na samfurin, tare da ramukan da kuma cavities, bayan da hardening na silicone cika a cikin sauran rabi, a cikin wannan yanayin silicone da kuma ajiye kudi. Domin gaba ɗaya rufe samfur, yana da kyawawa don zuba silicone ko amfani a cikin biyu ko fiye da jam'iyyun. Na biyu jam'iyyar da aka sa a saman ƙarfafa farko, amma har yanzu m. Zaka kuma iya amfani da gauze ko wasu baiwa, kayan da za a saka tsakanin yadudduka, da sa, don samar da wani m form.

• A catalysts aka gauraye a rabbai dangane da irin silicone. Wasu daga cikin su yi amfani da wani tushe don kara kuzari rabo daga 50:50. Dama za su iya zama mechanically ko da hannu tare da cokali ko sanda. Daya ba zai iya samun shiga a cikin dogon wannan tsari ba fiye da 2 da minti, matuƙar aiwatar samar da wani yawa na iska kumfa a cikin cakuda. Domin a san ko uniform daidaito sa, mafi alhẽri ya dauki wani launi hardener.

• Bayan stirring da cakuda da aka zuba da sauri. A kayan warkar da wani rubbery jihar cikin 24 hours. A yanayin zafi a kasa +23 ° C saitin lokaci zai zama ya fi tsayi.

Abin da kuke bukatar la'akari da

Iska kumfa za a iya rage ga kome ba, idan na fara mix kananan rabo garwayayye, kuma yin amfani da buroshi, da samfurin ya rufe shi. Saboda haka, sakewa da aka cimma ba kawai kumfa amma kuma da tsabta daga cikin shaci siffar. Bayan depositing wani bakin ciki Layer da samfurin zuwa bar a sauran a dakin da zazzabi, har sai da cakuda shi ne free daga iska da kuma ba za ta yi ɗauri. Sa'an nan Mix da sauran rabo daga hardener da tushe da kuma ajiye a yadudduka a kan kayayyakin da ƙãre siffar. Karkashin awon yanayi, wannan hanyar tafi sauki, kamar yadda aka aikata da taimakon inji cewa girgiza mold zuba da saki da iska. A karkashin kasa da yanayi da za a iya girgiza, kai tapping da surface.

Idan samfurin yana da wani halitta iyakoki su hana yada na silicone a lokacin zuba, shi zai zama dole don gina wani tsarẽwa bango a kusa da samfurin. Wannan za a iya yi amfani da wani inert abu kamar itace alluna, allon, kwali, da dai sauransu Ƙarfafa, kuma Ya sanya hãtimi a cikin Can bango ta hanyar m tef zuwa silicone ba zuba ta hanyar da tsaguwa.

Gargadi! Wasu iri silicone iya dan kadan discolored, wasu iri kankara daga wanda wani mold da aka sanya. Kafin aikin da aka samarwa a gwada kuma su yi gwaji tare da negligible samfurin kafin yin amfani da su domin muhimmanci da abubuwa.