Ọrụ igwe nke plastering moletter emeela nnukwu ọganihu n'afọ ndị na-adịbeghị anya. Plastering moletter etolitekwala site na ngwakọta onwe onye nke ebe ọdịnala ruo na ngwa agha akọrọ na ngwa agha mmiri. Ọkwa arụmọrụ ya na nkwụsi ike ya bụ isi ihe ndị na-akwalite mmepe nke plastering melter, a na-ejikwa cellulose ether dị ka ngwa agha plastering. Ihe mgbakwunye isi nwere ọrụ a na-apụghị ịgbanwe agbanwe. Na nnwale a, site na ịgbanwe viscosity na idobe mmiri nke cellulose ether, na site na mgbanwe sịntetik, a mụrụ mmetụta nke ihe ngosi nnwale dị ka ọnụego idobe mmiri, mfu nhazi awa 2, oge mepere emepe, iguzogide sag, na mmiri mmiri nke plastering moletter na owuwu igwe. N'ikpeazụ, achọpụtara na cellulose ether nwere njirimara nke oke njide mmiri na ezigbo ihe mkpuchi, ọ dabara adaba karịsịa maka owuwu igwe nke plastering moletter, ihe ngosi niile nke plastering moletter na-emezu ụkpụrụ mba.
Ọnụego njigide mmiri nke plastering mortar
Ọkwa nchekwa mmiri nke ihe e ji eme plastering bụ ihe na-abawanye mgbe viscosity nke cellulose ether dị site na 50,000 ruo 100,000, ọ na-ebelatakwa mgbe ọ dị site na 100,000 ruo 200,000, ebe ọ̀tụ̀tụ̀ nchekwa mmiri nke cellulose ether maka ịgbasa igwe erutela ihe karịrị 93%. Ka ọ̀tụ̀tụ̀ nchekwa mmiri nke ihe e ji eme plaster ahụ dị elu, otú ahụ ka ọ̀tụ̀tụ̀ nchekwa mmiri nke ihe e ji eme plaster ahụ ga-ebelata. N'oge nnwale ịgbasa mmiri na igwe ịgbasa moto, achọpụtara na mgbe ọ̀tụ̀tụ̀ nchekwa mmiri nke cellulose ether dị ala karịa 92%, mortar ahụ na-enwekarị ọbara ọgbụgba mgbe e tinyere ya ruo oge ụfọdụ, na mmalite ịgbasa mmiri, ọ dị mfe karịsịa igbochi paịpụ ahụ. Ya mere, mgbe ị na-akwadebe ihe e ji eme plastering nke dabara adaba maka owuwu igwe, anyị kwesịrị ịhọrọ cellulose ether nwere ọ̀tụ̀tụ̀ nchekwa mmiri dị elu.
Mkpọchi plasta nke awa 2 nke enweghị nguzozi
Dịka ihe GB/T25181-2010 chọrọ si dị, ihe achọrọ maka mbelata nha nhata nke ihe mkpuchi plasta nkịtị erughị 30%. E jiri viscosity nke 50,000, 100,000, 150,000, na 200,000 mee ihe maka nnwale mbelata nhata nke awa 2. A pụrụ ịhụ na ka viscosity nke cellulose ether na-abawanye, uru mbelata nhata nke ihe mkpuchi ga-ebelata nwayọ nwayọ, nke na-egosikwa na viscosity nke cellulose ether Ka uru ahụ dị elu, otú ahụ ka nkwụsi ike nke ihe mkpuchi ahụ ka mma ma ka mma arụmọrụ mgbochi delamination nke ihe mkpuchi ahụ. Agbanyeghị, n'oge a na-agba mmiri n'ezie, achọpụtara na n'oge ọgwụgwọ nhazi mgbe e mesịrị, n'ihi na viscosity nke cellulose ether dị oke elu, njikọ dị n'etiti ihe mkpuchi na trowel ga-adị ukwuu, nke na-adịghị mma maka owuwu. Ya mere, n'ihe gbasara ijide n'aka na ihe mkpuchi ahụ anaghị ada ma ọ bụghị delaminate, ka uru viscosity nke cellulose ether na-ebelata, ka mma.
Oge mmeghe nke ite ụrọ plasta
Mgbe a fesasịrị ihe mkpuchi plastering n'elu mgbidi ahụ, n'ihi mmiri nke ihe mkpuchi mgbidi ahụ na mmiri na-asọpụta n'elu ihe mkpuchi ahụ, ihe mkpuchi ahụ ga-emepụta ike ụfọdụ n'ime obere oge, nke ga-emetụta nhazi ọkwa na-esote. A tụlere oge mkpuchi ahụ. Uru viscosity nke cellulose ether dị n'etiti 100,000 ruo 200,000, oge ntọala anaghị agbanwe nke ukwuu, ọ nwekwara njikọ ụfọdụ na ọnụego nchekwa mmiri, ya bụ, ka ọnụego nchekwa mmiri dị elu, otú ahụ ka oge ntọala nke ihe mkpuchi ahụ dị ogologo.
Mmiri nke ụrọ plastering
Mfu nke ngwa ịgbasa ihe nwere ọtụtụ ihe jikọrọ ya na mmiri nke ihe mkpuchi plastering. N'okpuru otu oke mmiri ahụ, ka viscosity nke cellulose ether dị elu, ka uru mmiri nke ihe mkpuchi cellulose dị ala., nke pụtara na ka viscosity nke cellulose ether dị elu, otú ahụ ka viscosity nke ihe mkpuchi plaster si dịkwuo elu ma na-emebi ngwa ahụ. Ya mere, maka owuwu nke ihe mkpuchi plastering nke e ji ígwè rụọ, obere viscosity nke cellulose ether ka mma.
Nguzogide sag nke plastering mortar
Mgbe a fesachara ihe mkpuchi plastering ahụ n'elu mgbidi, ọ bụrụ na ihe mkpuchi ahụ adịghị mma, ihe mkpuchi ahụ ga-ada ma ọ bụ ọbụna daa, nke ga-emetụta ịdị larịị nke ihe mkpuchi ahụ, nke ga-akpata nnukwu nsogbu na owuwu nke ikpeazụ. Ya mere, ihe mkpuchi dị mma ga-enwerịrị ezigbo thixotropy na iguzogide sag. Nnwale ahụ chọpụtara na mgbe e guzobere ihe mkpuchi cellulose nke nwere viscosity nke 50,000 na 100,000 kwụ ọtọ, taịlị ndị ahụ na-ada ozugbo, ebe ihe mkpuchi cellulose nke nwere viscosity nke 150,000 na 200,000 anaghị amị amị. Akụkụ ahụ ka kwụ ọtọ, ọ gaghịkwa amị amị.
Ike nke ngwa agha plastering
Site na iji ihe ether cellulose 50,000, 100,000, 150,000, 200,000, na 250,000 iji kwadebe ihe atụ nke ihe e ji arụ ụlọ, achọpụtara na ka viscosity nke cellulose ether na-abawanye, uru ike nke ihe e ji arụ ụlọ na-ebelata. Nke a bụ n'ihi na ihe ether cellulose na-emepụta ihe ngwọta dị elu na mmiri, a ga-ewebatakwa ọtụtụ afụ ikuku kwụsiri ike n'oge usoro ngwakọta nke ihe e ji arụ ụlọ ahụ. Mgbe simenti siri ike, afụ ikuku ndị a ga-emepụta ọtụtụ oghere, si otú a na-ebelata uru ike nke ihe e ji arụ ụlọ ahụ. Ya mere, a ga-enwerịrị ike iru uru ike nke ihe e ji arụ ụlọ ahụ, a ga-ahọrọkwa ihe ether cellulose kwesịrị ekwesị.
Oge ozi: Maachị-15-2023