Ib puag ncig-phooj ywg puas xuab zeb disc 28 yam:

Kev tiv thaiv ib puag ncig-phooj ywg sanding disc 28 yog ua los ntawm cov ntaub ntawv kub ntxhov tshwj xeeb rau ntawm ib puag ncig-hauv ib puag ncig. Lub ib puag ncig-phooj ywg SG (super ntsuab) abrasive disc yog tus cwj pwm los ntawm kev nyab xeeb siab thiab kev hloov zoo; cov ntaub npog thiab substrate yog ob qho zoo ib puag ncig. Cov khoom siv yog siv los txhuam cov vuam tsoo thiab pleev xim nto ntawm cov nkoj, tsheb thiab dav hlau.

Ib puag ncig-phooj ywg puas zeb disc 29 yam:

Cov phooj ywg ib puag ncig zoo xaum xim pob zeb 29 yog ua los ntawm zirconium corundum abrasives, ua cov pob txhaws thiab pob zeb tawv. Cov khoom muaj qhov ua kom txias dua thaum lub tshwj xeeb cov txheej txheem muaj qhov kev ua tau zoo dua. Nws tuaj yeem siv rau kev sib tsoo hlau thoob plaws thiab kuj tsim nyog rau kev sib tsoo qhuav thiab ntub kev sib tsoo.