tshuaj pleev xim hluavtaws
1: EP feem ntau yog siv rau ntawm cov tawv nqaij chrome-tanned uas yuav tsum tau mos thiab puv. Nws tuaj yeem muab cov tawv nqaij zoo li daim txhuam cev, cov noob zoo heev, thiab tiv taus lub teeb zoo heev.
2: EP yog tsim rau tawv embossed, tawv qauv tsa, thiab lwm yam, rau kev ua kom cov qauv mos.
3: EP ruaj khov rau cov kua qaub, alkalis thiab ntsev thiab siv tau rau hauv chrome retanning, filling thiab lwm yam txheej txheem.
Kev ntxiv chromium tanning:
Tawv napa sab saud 2-3%; Tawv embossed sab saud 2-3%; Tawv rooj zaum 2-3%
Kev ntxiv cov khoom sau:
Tawv napa sab saud 2-4%; Tawv embossed sab saud 2-4%; Tawv rooj zaum 2-4%
| COV LUS QHIA / COV CIM | COV NTAUB NTAWV/NQI |
| Kev sib xyaw ua ke: | Cov phenolic condensates |
| Tsos: | Kua xim av daj |
| Kev kaj: | Zoo Tshaj Plaws |
| Cov ntsiab lus khov kho: | 50% |
Lub pob yog 250kgs / 120kgs nruas.
Cov khoom no yuav tsum tau khaws cia rau hauv chav txias thiab qhuav, tsis txhob raug tshav ntuj ncaj qha thiab los nag, lub neej txee ntawm 18 lub hlis










