Yuav ua li cas kom paub qhov txawv thawj txheej ntawm cowhide thiab lub thib ob txheej ntawm cowhide?

Yuav ua li cas kom paub qhov txawv thawj txheej ntawm cowhide thiab lub thib ob txheej ntawm cowhide?

Kov, kws, kov, thiab nqaij. Tus layman, nias nrog koj txhais tes, muaj wrinkles thaum nias, tawv tsis tuab, nws yog tiag cowhide, uas yog thawj txheej ntawm tawv, txwv tsis pub nws yog ob txheej ntawm tawv.

Nyob rau hauv cov nqe lus ntawm hom loj, thawj txheej ntawm tawv yeej khaws tag nrho thaj tsam ntawm cov tawv xiav ntub dej, thiab nws cov khoom siv tawv tawv muaj thaj tsam loj dua, thiab cov tawv tawv zoo sib xws. Rau cov txheej txheem thib ob ntawm daim tawv nqaij, yuav muaj qhov poob ntau dua thaum cov tawv taub hau raug txiav, thaj tsam ntawm daim tawv nqaij yuav tsawg dua li ntawm cov tawv taub hau, thiab yuav muaj qhov tsis taus ntau dua.

Tear resistance, raws li qhov yuav tsum tau ntawm cov chaw tsim khoom tsheb, lub kua muag tsis kam ntawm cov khoom siv tawv yog 40 kg / cm². Tshwj xeeb tshaj yog, tus neeg laus tuaj yeem yooj yim rhuav tshem ob txheej ntawm daim tawv nqaij tom qab txiav me me. Thawj txheej ntawm tawv daj yog txiav nrog me me txiav, thiab nws yuav siv sij hawm ib tug neeg laus los rhuav nws.

Grain kev ntxhib los mos Cov tawv taub hau txheej muaj cov papilla txheej, uas muaj lub ntuj granular nto thiab pores. Thaum koj nias nws los ntawm txhais tes, lub ntuj tawv wrinkles yuav stretch. Txawm hais tias ob-txheej tawv tawv muaj cov kab imitation, nws tsis muaj pores. Thaum nws yog nias los ntawm tes, imitation tawv wrinkles ntawm txheej los yog peritoneum yuav tsis hloov los yog ntsws.

Qhov siab dua ntawm thawj txheej ntawm cowhide, lub thinner ntawm daim tawv nqaij, thiab qhov zoo tshaj plaws thawj txheej yog nyias li ntawv. Qhov thib ob txheej ntawm cowhide yog thickest, vim hais tias lub thib ob txheej ntawm cowhide yog thawj txheej ntawm tawv thiab polyethylene cov ntaub ntawv ntxiv. Yog tias cov tawv nqaij tawg, nws yuav tawg ua ntej ntau lawm. Yog li ntawd, cov tawv nqaij yog thicker. Lub sab sauv yuav tawg tom qab siv, thiab tawv yuav yooj yim qhib yam tsis muaj sanding. Yog li ntawd, cov khau tawv ntawm ob txheej cowhide yog ua los ntawm cov tshuab, tsis muaj kua nplaum, thiab tsis muaj kua nplaum tsis hnov ​​tsw.

Tawv khau nrog txheej saum toj kawg nkaus ntawm cowhide yuav polished thaum lub sij hawm tsim khoom. Tsuas yog los ntawm polishing tuaj yeem ua cov kua nplaum firmer. Thaum cov kua nplaum yog glued, nws yuav ib txwm tsw ntawm cov kua nplaum. Thawj txheej ntawm cowhide yog daim tawv nqaij ntawm nyuj. Tus nyuj tsuas muaj ib qho xim xwb, thiab lub gloss tsis zoo li ob txheej ntawm cowhide (xws li fake cowhide), yog li tom qab ntau lawm, polishing tus neeg sawv cev yuav raug txau, yog li nws yuav muaj roj tsw qab.