Learn more about our low bleed silicone septa alternative. Great value; high quality.
High quality natural rubber septa. Specially formulated for GC.
Unique butyl septa family. Most commonly using in large diameter, EPA septa applications.
Autosampler Bleed Comparison Study Using GC Analysis
See how our low bleed NT series septa stacks up against other available autosampler septa on the market.
Comparison of Various Headspace Septa Using GC Analysis
Headspace analysis is particularly affected by septum bleed. This study evaluates three readily available headspace using GC analysis.
Bleed Comparison Between Natural and Red PTFE Samples Using GC
This study addresses whether PTFE pigmentation has an overall affect on septum bleed.
Elastomer and Film Datasheets
70410 - 40 durometer, natural, low bleed silicone
70411 - 40 durometer, white, silicone
5652 - 60 durometer, burnt orange, natural rubber
BR502 - 50 durometer, red chlorobutyl
View our custom cababilities as it relates to our septa products.