Njira zodziwira mkuwa woyera ndi chiyani

1. Yang'anani kuuma: ndipamwamba kukongola kwamkuwazodzikongoletsera, zofewa ndi zoyera komanso zosalala pamwamba.Opanga aloyi yamkuwa amatenga zibangili zamkuwa za pafupifupi magalamu 60 monga chitsanzo.Ngati amakokedwa ndi dzanja, palibe elasticity, ndipo fineness yawo ndi pafupifupi 95%.Ngati pali elasticity pang'ono, fineness ndi za 80% -90%;ngati elasticity ndi yaikulu, fineness ndi pansi 70%.
2. Yang'anani pa chiputu: dulani kapena pindani zodzikongoletsera zamkuwa kuti muwone mtundu wa chiputu.Ngati zodzikongoletsera ndi zofewa, chiputu ndi chakuda ndi chofewa, chofiira pang'ono, ndipo mtundu uli pafupi 95%;ngati kuli kovuta kupindika ndi dzanja, chiputu ndi choyera ndi imvi, kapena chofiira pang'ono, ndipo mtundu uli pafupifupi 90%;ngati kuuma kuli pafupi 90% Kukulirapo, chiputu chimakhala chofiira, chachikasu-choyera kapena imvi, ndipo fineness ndi pafupifupi 80%;ngati chiputu chili cholimba, chiputu ndi chofiira, chachikasu, khaki ndi mitundu ina, ndipo fineness ndi pafupifupi 70%;ngati lipstick ndi yakuda, Kapena yachikasu ndi yakuda, ndipo fineness ili pansi pa 60%.
3. Njira yopindika: kutsina ndi kupindana ndi zala, zofewa zapamwamba komanso zosinthika, zosavuta kupindika komanso zosavuta kuthyola;kupindika kwapamwamba kumakhala kolimba, kapena sikungapindike, ndipo ena sangathe kupindika ndi zala;Chovala chamkuwa Chonyezimira chidzang'ambika pambuyo popindika kapena kugogoda ndi nyundo kangapo;yabodzayo siingathe kupirira kupindika ndipo ndiyosavuta kuthyoka.Kodi pali phindu lathanzi lomwe limabwera povala zodzikongoletsera za maginito, zomwe nthawi zambiri zimakhala ndi zokongoletsa kwambiri.
4. Njira yoponyera: zodzikongoletsera zamkuwa zapamwamba, zoponyedwa pa bolodi, sizingadumphe pamwamba, pali phokoso la "pop";Zodzikongoletsera zamkuwa zabodza kapena zotsika zimakhala zopepuka, zoponyedwa pa bolodi ndipo zimadumpha kwambiri, zomwe zimapangitsa kuti zimveke bwino.Malangizo abwino kwambiri ogwiritsira ntchito zodzikongoletsera zamkuwa akuphatikizapo kuyesa njira zosiyanasiyana ndi kulingalira za mapeto.Mkuwa wosagwiritsidwa ntchito umakhala ndi sheen yomwe imasintha mtundu pakapita nthawi.Mipiringidzo iwiri yamkuwa pamodzi ndi ulusi ingagwiritsidwe ntchito kupanga ndolo zosangalatsa, mikanda, zibangili ndi mphete.
Mkuwa woyera, monga momwe dzinalo limatanthawuzira, ndi mkuwa wokhala ndi mkuwa wapamwamba kwambiri, chifukwa mtundu wake ndi wofiirira-wofiira, wotchedwanso mkuwa wofiira.Chigawo chachikulu ndi mkuwa ndi siliva, ndipo zomwe zili ndi 99.5-99.95%.Main zodetsa zinthu: phosphorous, bismuth, antimoni, arsenic, chitsulo, faifi tambala, lead, malata, sulfure, nthaka, mpweya, etc. Popanga zipangizo conductive, zitsulo zamkuwa zapamwamba, aloyi mkuwa ofotokoza.