Stopcock does not interfere with grip. Neoprene O-ring . O-ring seal does not require grease, but is not harmed if grease is used. Seal is unaffected by low temperatures down to 0 o C. Perforated plate . Polypropylene plate supplied is 3.2mm thick with 3.2mm diameter perforations for air transfer.
Plate rests on the retaining ledge of bottom section and has a centre hole for easy removal.
Polypropylene bottom section . Has excellent chemical resistance and permits the use of incandescent crucibles with standard size porcelain plates. Flange O.D. Overall Height Price E42020 230mm 260mm each E42025 273mm 311mm each . These stackable cabinets are available in heavy gauge Zn Steel with a high-gloss, white powder coating on the inside and outside. The front of the cabinet has a large glass panel and the door seal is silicone rubber.