Yuav ua li cas kom paub cov tawv, bonded tawv thiab faux tawv

- Jul 06, 2018-

Yuav ua li cas kom paub cov tawv, bonded tawv thiab faux tawv

Cov tawv yog feem ntau los ntawm cowhide, uas muab faib rau hauv tawv tawv thiab tawv tawv. Cov tawv no yog ua los ntawm daj hlab. Raws li nws qhov kev xav ntawm physiological, nws muaj ntau lub zog vim nws cov ntaub nplaum fib fib fab loj hauv cov kab mob. Ua tsis taus pa; cov yam ntxwv ntawm cov cowhide yog sov nyob rau lub caij ntuj no thiab txias thaum lub caij ntuj sov. Nws yog tsim rau kev siv kev nyab xeeb. Tib lub sij hawm, nws muaj cov yam ntxwv zoo ntawm kev xav zoo, muaj roj muaj zog, tiv thaiv kev hnyav li qub, thiab lwm yam. Yog li, tus cowhide tiag tiag tsuas yog siv los ntawm bleached, yog li ntawd qhov pore density yog pluag thiab ua pa. Kawm qib siab, zoo nkaus li mos thiab xis.


Lub tawv tawv thiab faux tawv yog imitation tawv, uas yog, tawv tawv, uas tig du thiab zoo nkauj, thiab xav zoo. Muab piv rau cov cowhide, lub ntsiab sib txawv yog: A. Cov kub nyob rau lub caij ntuj no tsis tshua muaj, qhov tawv tawv tsis yog tsis ncaj, uas yog, tawv twb tsis muaj qhov tsis xws li. . B. Vim yog lub ntxig zaj duab xis, huab cua permeability yog pluag, thiab nws yog ib qho yooj yim rau daim ntawv hws nyob tom qab thiab pob tw rau lub caij ntuj sov. C, yooj yim rau ploj, saum npoo zaj duab xis thiab tawv siv rau ib lub sij hawm ntawm lub sij hawm, yuav poob tawm, kho raws ntawm ib nrais muag.


Txoj kev rau kev sib txawv cowhide, bonded tawv thiab faux tawv

Kov: uas yog, kov qhov chaw ntawm daim tawv nrog koj txhais tes. Yog hais tias nws yog tus du, mos, tag nrho, thiab ywj ywm, nws yog tawv. Feem ntau, qhov tawv thiab khoom cua tawv yog cov khov, txhav, thiab muag muag.

Saib: lub ntsej muag ntawm cov tawv nqaij muaj qhov tob hauv cov qauv thiab cov qauv. Cov kabmob daj muaj qhov zoo pores. Cov roj tau tuab thiab nchuav pores. Cov tshis muaj ntses ntsig cov kabmob ntses.

Sniffing: Tag nrho cov tawv tawv nqaij tawv tsw; cov khoom neeg tawv tawv muaj ib lub zog tawv tsw.

Hlawv: Ib me ntsis ntawm cov fiber yog tev tawm ntawm sab nraum daim tawv tawv thiab tawv tawv. Tom qab kauv quav, tus ntxhiab ntawm cov ntxhiab thiab tsim hnoos qeev yog cov tawv tawv; cov tawv uas tawm tuaj plaub hau tsw thiab tsis khawm tawv yog dermis.

Sib Pw: Siv tus ntsia thawv kom raug, yog tias qhov lus teb ceev ceev thiab tsis muaj qhov tsis muaj dab tsi.