Cov txheej txheem:

Dawb ntoo kua nplaum yog dab tsi?
Dawb ntoo kua nplaum yog dab tsi?

Video: Dawb ntoo kua nplaum yog dab tsi?

Video: Dawb ntoo kua nplaum yog dab tsi?
Video: Lus Qhuab Qhia | “Txoj Kev Yug Los Ua Neeg Yog Dab Tsi?” 2024, Kaum ib hlis
Anonim

Polyvinyl acetate (PVA), tseem hu ua " kua nplaum dawb "los yog "kev nyiam ua thiab khoom siv tes ua", tsis muaj tshuaj lom thiab siv tau yooj yim, tab sis nyuaj kho txij li feem ntau kua nplaum (xws li PVA nws tus kheej) tsis ua raws li PVA hardened kua nplaum . Elmer tus Kua nplaum -Txhua yam yog piv txwv ntawm PVA nplaum.

Yog li ntawd, qhov txawv ntawm cov kua nplaum ntoo thiab cov kua nplaum dawb yog dab tsi?

Lub ntsiab sib txawv yog lub ntoo kua nplaum muaj cov ntsiab lus dej tsawg tshaj li qhov kua nplaum dawb . Cov ntoo kua nplaum tsawg dua yuav warp ntoo . Cov kua nplaum dawb yuav tawg hauv dej. Cov ntoo kua nplaum yuav tsis.

Ib sab saum toj no, cov kua nplaum dawb siv rau dab tsi? Raws li ib qho emulsion hauv dej, PVAc emulsions yog siv los ua cov nplaum rau cov ntaub ntawv ntxeem tau, tshwj xeeb tshaj yog rau ntoo, ntawv, thiab ntaub, thiab raws li ib tug consolidant rau porous tsev pob zeb, tshwj xeeb yog sandstone. Siv: li ntoo kua nplaum , PVAc yog lub npe hu ua " kua nplaum dawb "thiab daj li "tus kws ntoo kua nplaum ".

Xav txog qhov no, cov kua nplaum dawb puas zoo rau ntoo?

Li qub Cov kua nplaum dawb Qhov no kua nplaum yog tsim los ntawm txhua yam khoom ntuj tsim thiab yog zoo rau cov khoom siv tes ua me me. Nws tseem muaj kev nyab xeeb noj uas ua rau nws nrov hauv cov chaw zov me nyuam, pre-schools, thiab kindergartens. Cov kua nplaum dawb dries meej dhau lub sijhawm tab sis tsis muaj kev sib koom ua ke uas xav tau los ua kev sib raug zoo ntoo.

Dab tsi yog qhov zoo tshaj plaws ntoo kua nplaum?

Qhov zoo tshaj plaws Wood nplaum

  1. Gorilla Wood kua nplaum. Saib Ntxiv Kev Ntsuam Xyuas.
  2. Titebond 1414 III Ultimate Wood Glue. Saib Ntxiv Kev Ntsuam Xyuas.
  3. Elmer's E7310 Carpenter's Wood Glue Max. Saib Ntxiv Kev Ntsuam Xyuas.
  4. Gorilla Clear kua nplaum. Saib Ntxiv Kev Ntsuam Xyuas.
  5. Franklin International 5005 Titebond II Premium Wood Glue.
  6. Evo-Stik Resin W Exterior Weatherproof Wood Glue.

Pom zoo: