Supeltex M-2A Packed Column Ferrule, 1/16 in. Column O.D.

特性：用手拧四分之一圈可紧固密封。可重用性高。不会粘连金属或玻璃。

材料成分：DuPont VESPEL SP-21（85% 聚酰亚胺，15% 石墨）

最高温度：400°C

Ferrules are suitable for the attachment of the column and other glass components to the system. Flexible graphite ferrules withstand high temperatures and are capable of compression.

Supeltex M-2A vespel-ferrules were suitable for closing the opening of sorption tubes to prevent the layers from mixing during determination of concentrations of volatile hydrocarbons in air samples.