amakuru

Lithopone ni ibara ry'umweru rigizwe n'uruvange rwa barium sulfate na zinc sulfide, ubusanzwe mu gipimo cya 1:1. Iyi mvange idakora, yakozwe binyuze mu buryo bw'imiti hagati ya barium sulfide na zinc sulfate, imaze imyaka irenga ijana ikoreshwa mu gusiga irangi mu nganda, muri pulasitiki no mu kwisiga, ihabwa agaciro kubera umweru wayo ugaragara, kudahinduka, no kugabanya ikiguzi.

Kimwe mu bintu biyiranga cyane ni ubushobozi bwayo bwo guhisha cyane, bungana n’ubwa dioxyde ya titanium mu bikorwa bimwe na bimwe, bigatuma iba nziza cyane mu kurangiza neza. Igaragaza ubudahangarwa bwiza na alkali, nubwo ishobora kwangiza imiterere yayo. Bitandukanye n’amabara amwe na amwe, lithopone ntihinduka ibara mu gihe cy’urumuri, bigatuma ihora ihamye mu bicuruzwa byo hanze no mu nzu. Ifite amavuta make kandi yongera imikorere yayo mu irangi no mu irangi, bigatuma ikoreshwa neza kandi igatemba neza.
Mu gikorwa cyo gukora, barium sulfide isukuye na zinc sulfate biravangwa, bigatera uduce twa lithopone kuyungurura, tukagezwa, tukanikwa, tugasugurwa kugira ngo tugere ku bunini bukwiye bw'uduce - ubusanzwe kuva kuri mikorometero 0.5 kugeza kuri 5. Uku gusya neza byongera ubushobozi bwo gukwirakwira kwayo mu buryo butandukanye, kuva ku marangi akozwe mu mavuta kugeza kuri resins za pulasitiki.
Inganda zikora irangi zishingiye cyane kuri lithopone mu gusiga amarangi imbere, primer, na enamel, aho itanga ishingiro ry'umweru rimwe kandi ikanoza uburyo bwo gutwikira. Muri pulasitiki, ikora nk'umusemburo w'isukura no kweza uruhu mu bicuruzwa nk'imiyoboro ya PVC, ibikinisho, no mu gupfunyika, yongera imiterere n'imiterere. Imiterere y'ubwiza, nk'ifu yo mu maso n'amavuta, ikoresha lithopone kugira ngo irangire neza kandi ishobore kugaragaza urumuri, bigatuma uruhu rugira ibara ryiza kandi ringana.


Igihe cyo kohereza: Nyakanga-09-2025