Kev txheeb xyuas qhov tseeb thiab cov yam ntxwv ntawm cov hnab tawv

Aniline tawv, uas yog coated nrog aniline, yog tus cwj pwm los ntawm ib tug crystal ntshiab nto uas ci heev, tab sis tsis hnyav, thiab tsis muaj yas xav. Ntuj tawv yog siav rau hauv tawv, thiab cowhide feem ntau yog 5-6mm tuab. Cov txheej txheej saum npoo yog txheej granular, nrog cov ntaub so ntswg zoo thiab cov ntaub so ntswg, du thiab zoo nkauj, thiab zoo zog thiab hnav tsis kam; Sab hauv txheej yog suede txheej, nrog coarse fibers thiab loj qhov khoob, thiab nto nrog fuzz. Thawj txheej tawv muaj ib tug smoother thiab tiaj tus nto tshaj ob txheej tawv, thaum lub thib ob txheej tawv zoo nkaus li ntxhib me ntsis. Ob txheej tawv tuaj yeem coated, xa mus los yog siv los tiv thaiv qhov roughness, tab sis hloov tawv tawv tsis muaj qhov kub thiab txias tsis kam thiab ua rau wrinkles tsawg. Cowhide ob-txheej tawv yog tiaj tus thiab tsis muaj qhov tsis xws luag tom qab embossing, thaum pigskin ob-txheej tawv feem ntau muaj peb pawg ntawm qhov hws faintly pom, uas muaj ib tug dull luster. Thaum sib txawv ntawm shaved tawv thiab pem hauv ntej tawv, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias shaved tawv ua rau cov thawj grain txheej thiab ces nias cov qauv. Cov qauv tuaj yeem coj los ntawm nyuj, yaj, npua tawv, thiab lwm yam, tab sis cov qauv tsis muaj qhov pores thiab ntab rau saum npoo ntawm tawv. Nyob rau hauv pem hauv ntej tawv, pores muaj nyob thiab muaj peev xwm txheeb xyuas tau los ntawm kev ua tib zoo soj ntsuam.