Raschig mphete ndiye woyamba kupangidwa mwachisawawa kulongedza, ndi kudula kwa chubu kakang'ono, komwe m'mimba mwake kuli kofanana ndi kutalika kwake, kumapereka malo kuti (re) kutuluka kwa gawo losasunthika kwambiri la refluxing distillate. Ndi zilembo zamphamvu zamakina, zazitali, zazitali kukhazikika kwamankhwala, komanso kupirira bwino kwa kutentha, Ceramic Raschig mphete imatha kukana kutentha kwambiri, asidi (kupatula HF), zamchere, mchere ndi zosungunulira zosiyanasiyana organic.Imagwiritsidwa ntchito kwambiri m'masanja olongedza osiyanasiyana a desiccation, kuyamwa, kuziziritsa, kutsuka, ndi kukonzanso m'mafakitale a petrochemical, mankhwala, zitsulo, mpweya ndi mpweya.Kwa mphete ya raschig yokhala ndi kukula kwakukulu kopitilira 100mm, nthawi zambiri imadzazidwa muzanja mwadongosolo.Ngati kukula kwake kuli kosakwana 90mm, mphete ya raschig imayikidwa pamndandanda mwachisawawa.