Silicone compound maka ebu Ndinam: oru nkọwa

Silicone compound bụ ezigbo ihe maka imewe nke Ebu fossils Lifecasting na ndị ọzọ na ike ihe. Dị ka mmiri mmiri latex, ọ na-enye ihe dị mfe, mgbanwe, elu nruwe udi. Ọzọkwa ya nwere ọzọ uru - a ogologo ndụ na-eguzogide ndị Chemicals na decomposition. Nke a bụ na-atụ aro ihe maka mmepụta nke na-adịgide adịgide iche nke oké egwu n'omume. Silicone Ebu maka plaster nwere ike obere oge karịa latex ebu, ma ọ bụrụ na ị na-eji "ngwa ngwa" akpali. The naanị drawback bụ na ọ bụ ihe dị oké ọnụ karịa latex, na ọ bụghị otú ahụ na-agbanwe, na-eduga-agbawa, mebiri.

Mejupụtara nke Silicone Ihe

Nke a ihe onwunwe mejupụtara sịlịkọn tapawa dị ka a isi na a platinum mkpali, nke accelerates obi.

Mgbe na-eke forms eji a silicone compound doro anya, red, odo, na-acha ọcha na ndị ọzọ na agba. The hardener nwekwara ike nwere a dị iche iche palette ma ọ bụ na-colorless.

Mgbe agwakọta abụọ mmiri na ụlọ okpomọkụ silicone mejupụtara na-aghọ siri ike na-aghọ rubbery anya. Nkezi bụla. oge n'ihi na ọtụtụ - n'etiti 18-24 awa, ma ndị na-ekwesi oge nwere ike ukwu belata site na iji elu-arụmọrụ akpali.

Types of silicone ogige

The kasị roba ogige iji na-emepụta Ebu - a RTV, RTV-2 na HTV. N'adịghị ka roba RTV (ụlọ okpomọkụ vulcanizing) silicone HTV achọ solidification okpomọkụ ọnọdụ uku 100 Celsius C.

N'etiti ndị na-emepụta silicone compound, onye ọ bụla na-agbalị ime a otutu silicones na akpali iche iche na viscosity, na agba na ndị ọzọ na atụmatụ.

E nwere isi ihe abụọ na klas nke RTV-silicones

1. gbamgbam catalyzed silicones.

2. Silicones na platinum akpali.

Onye ọ bụla n'ime ha nwere ya uru na ọghọm. Gbamgbam-catalyzed silicones bụ n'ozuzu dị ọnụ ala karịa na mfe iji. Ha nwere a viscosity si ala na-ajụ, otú ngwaahịa eruba gburugburu ọma. N'ụzọ dị iche, platinum ewute ọtụtụ ogige ndị sitere n'okike, akpan akpan sọlfọ, tin, amines, ọhụrụ arụpụtara polyester, epoxy ma ọ bụ urethane roba isiokwu. Ọbụna mgbe mkpuchi isiokwu acrylic lacquer silicone compound na-etolite a platinum-Obi na ọnụnọ nke sọlfọ na mmeghachi omume na tinny ebupụta. Nke a na-eme ka ha ekwesighi ka ọtụtụ eke ihe. O sina dị, mgbe na-ekwesi, ha nwere ndị kasị elu chemical, microbiological na okpomọkụ na-eguzogide ike, na n'ozuzu-anọgide na-agbanwe maka ọtụtụ afọ. N'ụzọ dị iche, tin-catalyzed silicones agbasaghị ibu kenkuwa mgbe a afọ ole na ole nke iji na-amalite kewaa ma ọ bụ dọkatụrụ adọka. N'ihi nke a, silicones tin otu na-eji na-arụ ọrụ dị ala olu nkedo. Na platinum na-eji maka ọrụ dị mkpa, karịsịa na nnukwu quantities.

nchekwa oge

Ọtụtụ silicones ike ga-eji ihe ịga nke ọma ka 5 afọ si zuo ụbọchị ma ọ bụrụ na echekwara kwesịrị ekwesị na-akàrà containers na a jụụ, n'ebe kpọrọ nkụ. Otú ọ dị akpali ida irè ngwa ngwa, ọbụna mgbe kwesịrị ekwesị echekwara, ha na-kacha mma na-eji n'ime otu afọ.

ebe itinye

Silicone RTV-2 compound eji maka mmepụta nke otutu mbipụta nke ụmụ obere ihe oyiyi. -Gi bu kwa ngwaahịa nke polyester, epoxy resins, wax, plaster, kandụl, ji egwuri egwu, ncha nke abịanyere, wdg

Silicone compound "Pentelast" bụ nri na nchebe. Ihe nke a na ihe onwunwe bụ na ọ bụ ukwuu mgbanwe, na-anaghị emebi ngwaahịa n'oge mwepụ, dị roba Ebu ike ga-eji ugboro ugboro. Nyere na a nri-ọkwa silicone na a platinum mkpali, na ya ị pụrụ ime ka silicone Ebu maka plaster Ebu maka achịcha na muffin, achịcha na ndị ọzọ na confectionery ngwaahịa.

Safety Note

The silicone compound dịtụ mma ngwaahịa odorless mgbe eji n'ụzọ ziri ezi, Otú ọ dị ndị akpali na thickeners nwere ike na-egbu egbu anya na anụ ahụ, Otú ọ dị, ndị a akụkụ ahụ a ga-echebe.

Usoro na-eke Ebu

• N'elu depụtaghachiri sample na-kpochara na degreased. Ọ bụrụ na ọ dị mkpa, na mmanu eji wax, a ncha ngwọta ma ọ bụ petrolatum.

• The ihe onwunwe na-juputara weere, ebe ọ bụ na a ịkpali nwere ike kpụrụ mgbe nchekwa.

• Nga njikere akpa n'ime nke isi maka echiche. N'ihi ya na akpa nwere ike ịbụ a plastic cup, a kalama ma ọ bụ igbe. Ọ ga-abụ dịtụ ogologo ala na n'akụkụ enweghị cracks na oghere.

• Na a dị ọcha akpa diluted ndabere na hardener ruo mgbe a homogeneous uka.

• Iji na-eme atụmatụ na ego nke silicone chọrọ, gị mkpa gbakọọ olu wụsara, nke mere na ngwaahịa e kpuchiri. Ọzọ nhọrọ - ị nwere ike dị ekpuchi elu nke ngwaahịa, tinyere oghere na cavities, mgbe hardening nke silicone jupụta na ndị ọzọ òkè, na nke a silicone na-azọpụta ego. Iji uniformly ekpuchi gbasirila, ọ na-achọsi ike ka ọ wụsa silicone ma ọ bụ n'ọrụ na abụọ ma ọ bụ karịa ndị ọzọ. The abụọ ọzọ na-etinye on top nke sikwuo ike mbụ, ma ka na-nnyapade. I nwekwara ike iji fere fere ma ọ bụ ndị ọzọ nwee ume ihe ndị a ga agbakwunyere n'etiti n'ígwé, nke na-enyere na-emepụta a siri ike ụdị.

• The akpali e weere na otosịrị iru dabere na ụdị nke silicone. Ụfọdụ n'ime ha na-eji a isi mkpali ruru nke 50:50. Aghara nwere ike ịbụ mechanically ma ọ bụ aka na a ngaji ma ọ bụ mkpisi. Otu onye nwere ike na-etinye aka na ogologo nke a abụghị ihe karịrị 2 nkeji, otú ahụ ogologo oge dị ka usoro na-arụpụta a ọtụtụ ikuku egosipụta na ngwakọta. Iji mara ma a edo anọgidesi rụpụtara, mma iji a na agba hardener.

• Mgbe na-akpali ngwakọta na-wụsara dị ka ngwa ngwa o kwere omume. The ihe onwunwe gwọọkwa ka a rubbery obodo n'ime awa 24. Na okpomọkụ n'okpuru +23 Celsius C ọnọdụ oge ga-aba.

Gịnị dị mkpa ka ị tụlee

Air egosipụta nwere ike na-ebelata ka ihe ọ bụla, ma ọ bụrụ na malite mix obere akụkụ mixtures na iji a ahịhịa, na sample ikpuchi ya. N'ihi ya, kagbuo a na-enweta bụghị naanị egosipụta kamakwa ihe doo anya ndepụta udi. Mgbe depositing a mkpa oyi akwa nke ngwaahịa na-ahapụ na-ezu ike na ụlọ okpomọkụ ruo mgbe, ruo mgbe ngwakọta bụ free si ikuku na ga akpọchila. Ekem mix ndị fọdụrụ òkè nke hardener na isi na edebe n'ígwé na ngwaahịa na okokụre udi. N'okpuru laabu ọnọdụ, usoro a mfe, dị ka ọ na-eme na-enyemaka nke ígwè ọrụ na ịma jijiji na ebu wụsara ma hapụ ikuku. Na ala ọnọdụ nwere ike maa jijiji, onwe na ịme ọpịpị elu.

Ọ bụrụ na ndị sample nwere enweghị obi ókè iji gbochie na-agbasa nke silicone n'oge agbapụtara, ọ ga-adị mkpa na-ewu a retaining mgbidi gburugburu sample. Nke a nwere ike mere site na iji ọ bụla inert ihe onwunwe ndị dị otú ahụ dị ka osisi planks, mbadamba, katọn, wdg Inokota ma mechie pụrụ mgbidi site nrapado teepu na silicone anaghị ihihi site nchawa.

Warning! Ụdị ụfọdụ nke silicone nwere ike ubé discolored, ụfọdụ ụdị nke nkume nke a ebu na-mere. Tupu ọrụ chọrọ iji nwalee na-enwe ịchọpụta na negligible sample n'ihu iji ha maka bara uru ihe.