Beaker ohun elo PTFE ti o nipọn, sooro otutu giga, acid ati sooro alkali, nozzle diversion, yika isalẹ 50/100/150/200/250/500/1000/2000/3000ml.
Awọn beaker ṣiṣu polypropylene le mu awọn olomi gbona ṣugbọn kii ṣe lo lori ina ti o ṣii tabi awo gbigbona itanna. Wọn ko dara fun lilo pẹlu awọn acids ti o lagbara, awọn ipilẹ, tabi awọn olomi. Ṣiṣu beakers ti wa ni lilo fun dapọ. Awọn ayẹyẹ ipari ẹkọ jẹ isunmọ ati kii ṣe ipinnu fun wiwọn omi deede.