ʻO ka plastering plaster ka mea nui o ka pā hale i loko o ka wā e hiki mai ana
ʻO ka plastering gypsum i hoʻohana ʻia no nā paia o loko he mau hiʻohiʻona o ka paona māmā, ka hoʻoheheʻe ʻana i ka wai, ka hoʻohaʻahaʻa leo, a me ka hōʻoluʻolu ola ikaika. E lilo ana nā mea hoʻopalapala gypsum i mea maʻamau no ka hoʻopili ʻana i ka paia o loko i ka wā e hiki mai ana.
ʻO ka gypsum hemihydrate i hoʻohana ʻia no ka hoʻopili ʻana i ka paia o loko i kēia lā, ʻo ia ka β-hemihydrate gypsum, a ʻo ka hemihydrate desulfurized gypsum, a i ʻole gypsum maoli, a i ʻole phosphogypsum e kū pono ana i nā koi palekana kaiapuni. ʻO ka ikaika o ke kino gypsum mai 2.5 MPa a i 10 MPa. ʻOkoʻa loa ka maikaʻi o ka gypsum hemihydrate i hana ʻia e nā mea hana gypsum ma muli o ka ʻokoʻa o ke kumu kumu a me ke kaʻina hana.
ʻO ka hoʻolālā hoʻolālā o ka plastering Gypsum no ka ʻenekinia
ʻO ka gypsum plastering i hoʻohana ʻia i ka ʻenekinia he mea kaumaha a me ke one plastering gypsum. Ma muli o ka wahi kūkulu nui, ʻoi aku ka mānoanoa o ka pae ma mua o 1 cm. Pono nā mea hana i ka pae wikiwiki, no laila pono ka gypsum e loaʻa ka thixotropy maikaʻi. ʻO ka ʻōpala maikaʻi, ka manaʻo lima māmā, maʻalahi ke ʻike i ka mālamalama a pēlā aku.
kālailai:
1. Hana maikaʻi ka pae ʻana. ʻOi aku ka maikaʻi o ka gradation o ke one, e hoʻohana i ke one waena me ke one maikaʻi.
2. thixotropy maikaʻi. Pono e ʻoi aku ka maikaʻi o ka hoʻopiha piha ʻana i ka waiwai. Hiki ke loaʻa ka mānoanoa, hiki ke loaʻa ka lahilahi.
3. ʻAʻohe poho o ka ikaika. E hoʻohana i ka mea hoʻopaneʻe amino acid, e like me ka Italian Plast Retard PE.
Manaʻo ʻia no ka ʻenekinia plastering gypsum:
β-hemihydrate desulfurized gypsum: 250 kg (ʻo ka ikaika o ka gypsum ma kahi o 3 MPa)
150-200 mesh calcium kaumaha: 100 kg (ʻaʻole maʻalahi ka calcium kaumaha i ka maikaʻi loa)
1.18-0.6mm one: 400 kg (14 mesh-30 mesh)
0.6-0.075mm one: 250 kg (30 mesh-200 mesh)
HPMC-40,000: 1.5 kg (Ua paipai ʻia e holoi i ka HPMC ʻekolu manawa, ka huahana maʻemaʻe, ka pua ʻana o ka gypsum, haʻahaʻa viscosity, ka manaʻo lima maikaʻi, a me ka leo liʻiliʻi e komo i ka ea).
Rheological agent YQ-191/192: 0.5 kg (anti-sag, hoʻonui i ka hoʻopiha, lima lima lima, hoʻopau maikaʻi).
ʻO ka Plast Retard PE: 0.1 kg (ʻaʻole paʻa ka dosage, hoʻoponopono ʻia e like me ka manawa coagulation, protein, ʻaʻohe nalo ikaika).
Laʻana mea maka:
1.18-0.6 mm one
0.6-0.075mm one
β hemihydrate desulfurized gypsum (ma kahi o 200 mesh)
ʻO nā hiʻohiʻona o kēia ʻano: kūkulu maikaʻi, ikaika wikiwiki. Maʻalahi i ka pae, haʻahaʻa haʻahaʻa, kūpaʻa maikaʻi, ʻaʻole maʻalahi e haki. He kūpono no ka ʻenekinia.
Kamaʻilio mai ka ʻike
1. Pono e nānā ʻia ka gypsum i hoʻihoʻi ʻia mai kēlā me kēia puʻupuʻu me ke ʻano hana e hōʻoia ai ʻaʻole i loli ka manawa hoʻonohonoho a i ʻole i loko o ka palena hiki ke hoʻopaʻa ʻia. A i ʻole, lōʻihi loa ka manawa hoʻonohonoho a maʻalahi ke haki. Inā pōkole ka manawa, ʻaʻole lawa ka manawa kūkulu. ʻO ka maʻamau, ʻo ka manawa hoʻonohonoho mua o ka hoʻolālā he 60 mau minuke, a ʻo ka manawa hoʻonohonoho hope o ka gypsum e pili kokoke ana i ka manawa hoʻonohonoho mua.
2. ʻAʻole pono ka nui o ka lepo o ke one, a e mālama ʻia ka lepo ma 3%. ʻO ka nui o ka lepo e maʻalahi ke haki.
3. HPMC, haʻahaʻa viscosity, kūlana kiʻekiʻe i paipai. He haʻahaʻa ka paʻakai i ka holoi ʻia ʻana o ka HPMC, a ʻoi aku ka liʻiliʻi o ka hau o ka gypsum mortar. ʻO kēia paʻakikī a me ka ikaika o ka ʻili he OK
4. I ka hui ʻana i ka pauka maloʻo, ʻaʻole pono e lōʻihi ka manawa hui. Ma hope o ka hānaiʻana i nā meaʻai a pau, e hoʻoulu i 2 mau minuke. No ka pauka maloʻo, ʻoi aku ka lōʻihi o ka manawa hui ʻana, ʻoi aku ka maikaʻi. Ma hope o ka manawa lōʻihi, e nalowale ana ka retarder. He mea pili i ka ʻike.
5. Nānā laʻana o nā huahana. Manaʻo ʻia e laʻa a nānā i nā huahana i hoʻopau ʻia mai ka hoʻomaka, waena a me ka hopena o kēlā me kēia ipu. Ma kēia ala, e ʻike ʻoe he ʻokoʻa ka manawa hoʻonohonoho, a pono e hoʻoponopono pono ʻia ka retarder e like me nā pono.
Ka manawa hoʻouna: Jan-18-2023