Hkhoom qab zib ardyog raws li qab zib & kua txiv hmab txiv ntoo nrog cov khoom noj khoom haus ntxiv. Cov hom khoom qab zib tawv muaj xws li txiv hmab txiv ntoo saj, qab zib qab zib, txias tsw, tswj dawb, xuab zeb sib tov thiab roasted khoom qab zib thiab lwm yam.
Lub cev khoom qab zib yog tawv thiab tawg yooj yim, yog li nws hu ua qab zib tawv. Nws yog ib hom amorphous amorphous qauv. Lub zog tshwj xeeb yog 1.4 ~ 1.5, thiab cov suab thaj txo qis yog 10 ~ 18%. Nws yaj qeeb hauv qhov ncauj thiab zom tau. Cov suab thaj yog pob tshab, pob tshab thiab tsis pom tseeb, thiab qee qhov raug kos rau hauv cov duab mercerized.
Txoj kev tsim khoom: 1. Yuav cov khoom siv raw thiab cov khoom xyaw raws li cov neeg siv khoom xav tau; 2. Yaj qab zib. Lub hom phiaj ntawm kev yaj qab zib yog kom sib cais tag nrho cov suab thaj siv lead ua los ntawm cov dej kom raug; 3. Ua kom qab zib npau. Lub hom phiaj ntawm kev ua kom qab zib npau yog kom tshem tawm cov dej ntau dhau hauv cov kua qab zib, kom cov kua qab zib tuaj yeem sib sau ua ke; 4. Kev pwm. Cov txheej txheem pwm ntawm cov khoom qab zib tawv tuaj yeem muab faib ua kev pwm txuas ntxiv thiab kev pwm txuas ntxiv.
Khaws cia rau qhov kub thiab txias hauv qab 25 ℃ thiab qhov av noo tsis pub tshaj 50%. Cua txias yog qhov zoo dua.