PCD khob log feem ntau yog siv los tshem tawm ntau yam tuab thiab elastomer txheej xws li epoxy, resin, mastic, residues ntawm cov ntaub pua plag, nyias-puab thiab lwm yam.Feem ntau yog siv ntawm tes tuav grinders los ua haujlwm ntawm cov npoo, cov ces kaum qhov twg hauv pem teb grinders nyuaj mus txog, ntxiv rau qhov twg peb tuaj yeem ncav cuag.Qhov no 5inch khob lub log nrog 6 lub quarter puag ncig PCDs yog ib qho khoom siv zoo heev rau kev npaj hauv pem teb.