Yuav ua li cas kub tau ntoo kua nplaum?
Yuav ua li cas kub tau ntoo kua nplaum?

Video: Yuav ua li cas kub tau ntoo kua nplaum?

Video: Yuav ua li cas kub tau ntoo kua nplaum?
Video: 6 Nqi Lus Qhia Kev Ua neej ( leej twg mloog lub neej yuav zoo tuaj) 2024, Kaum ib hlis
Anonim

Nws khi rau feem ntau kho ntoo nplaum (tshwj tsis yog PVA). Ob chav epoxy nplaum yog resistant rau dej ntsev, feem ntau epoxy yog kub resistant mus txog 350 ° F (177 ° C), cov formulations uas muaj hmoov hlau thiab roj hmab los yog plasticizers yog heev tawv thiab poob siab resistant.

Ntawm no, qhov kub thiab txias li cas ntoo kua nplaum yaj?

Peb kuj tau pom, tias cov kua nplaum pib yaj hauv qhov kub thiab txias saum toj no 120 ° C , yog li daim ntawv cog lus tuaj yeem rhuav tshem yam tsis muaj kev puas tsuaj rau ntoo. Peb kuj tau sim qhov sib txawv ntawm qhov ruaj khov tom qab cua sov qhov sib koom ua ke (40-140 ° C) thiab cia nws txias rau 20 ° C.

Tom qab ntawd, lo lus nug yog, ntev npaum li cas cov kua nplaum yuav tuav? Cov nplaum muaj peev xwm tuav mus txog 75 los yog ntau tshaj xyoo. Hws noo ua tau ruin ib ua kua nplaum sib koom hauv tsawg dua ib xyoos. Nws yog txhua yam hais txog yuav ua li cas cov rooj tog tiv thaiv los ntawm ya raws. Zoo tu rau Antique rooj tog ua tau pom ua kua nplaum nrog qub zais kua nplaum thiab tseem zoo li qub.

Yog li ntawd, cov kua nplaum ntoo puas tiv taus cua sov?

Ntoo muaj cov khoom zoo insulative, thiab nws yuav siv sij hawm ib ntus, yog li ceev faj tsis txhob ua kom puas cov haujlwm nrog cov khaus kub . Dawb kua nplaum react rau kub yooj yim dua daj, tab sis a kub phom teem rau qis, 150 ° F kub tseem txo lub zog ntawm lub tom kawg los ntawm ib nrab.

Cov kua nplaum twg yog qhov muaj zog tshaj?

Polyurethane kua nplaum yog ib qho ntawm cov muaj zog thiab ruaj khov ntau hom ntoo kua nplaum. Nws yog ntau yam zoo li nws tuaj yeem siv rau ntau yam khoom sib txawv xws li ntoo, yas, pob zeb, hlau, ceramic, ua npuas ncauj, iav, thiab pob zeb. Gorilla-Wood-Glue yog ib qho ntawm feem nrov polyurethane-raws li ntoo kua nplaum khoom muaj.

Pom zoo: