Musiyano pakati pePre-Shrink, Wash uye Sand Wash

Mutextileindasitiri, vamwe vatengi vanoona kuti manzwiro emaoko ezvigadzirwa zvemavara akasiyana neaya ezvigadzirwa zvepakutanga. Imhaka yekuti pre-kudonha, kugeza kana jecha kugeza. Ndeupi musiyano pakati pazvo?

1.Pre-shrink

Nzira yekushandisa nzira dzemuviri kuderedza kuderera kwejira mushure mekunyura mumvura inozivikanwa se mechanical pre-shrinking finishing. Pre-shrinking inonyanya kudzora warp shrinkage yejira. Isati yadzikira, iyo warp shrinkage yejira inowanzoita 7 ~ 8%. Mushure mekutanga kuderera, iyo warp shrinkage yejira inogona kusvika yenyika chiyero 3% kana American standard 3%. Nekuda kweiyo nzira yekuomesa yakasiyana, chinodiwa cheAmerican standard chakakwira. Iyo American standard 3% yakaenzana ne1% yenyika.
 
2.Geza
Kugeza ndiko kuwedzera softener kana detergent mumvura wobva waisa machira mumvura. Inogona kukamurwa kuita kugeza kwakareruka, kugeza kwakajairika uye inorema yakajairika kugeza zvinoenderana nenguva yekugeza uye kuwedzera huwandu hwekupfava. Mushure mekugeza, machira anozove akapfava uye ave akanakakubata. Zvakare vanhu vanozonzwa kuti machira anove akakora.

3.Sand Wash
Nzira yekugeza jecha yakafanana neyekugeza nzira, asi ivo vanowedzerwa zvinhu zvakasiyana. Mukugeza jecha maitiro, kazhinji ndeyekuwedzera alkali kana oxidizing anobatsira. Uye zvakare pachawedzerwa zvinyoro zvinyoro. Kuwedzera alkalivabatsirindeyekukuvadza chimiro chepamusoro chemachira kuti uwane kupfava kwemaoko mushure mekugeza jecha. Zvakare pachave paine fluff pajira rejira. Saka mushure mekugeza jecha, jira rinova rakapfava uye rinorara. Uye jira richaratidzika sekunyepedzera kwekuve mukobvu. Asi jira iri richava nyore kudurura. Inogona kutsemuka kana ikadhonzwa zvishoma. Saka machira matete haakurudzirwe kugezwa jecha.

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