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Home » Products » Chromatography Apparatus » Septa


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Product Code : 01
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Product Description
Barrier Septa (maximum temperature 350 °C. Silicone bonded to aluminum. Use in sealing applications where non-permeability and low volatility are required at temperatures above 177 °C. Affected by many organic solvents.

Butyl (maximum temperature 200 °C). Use with many organic solvents: acetic acid (<50%), acetonitrile, acetone, alcohols, DMSO, phenol. Not compatible with alkanes, benzene, carbon disulfide, chlorinated solvents, cyclohexane.

Red Rubber (maximum temperature 100 °C). Use with many hydrocarbons, acetonitrile, alcohols, cyclohexane. Not compatible with chlorinated solvents.

Silicone (maximum temperature 250 °C). Use with acetone, alcohols, DMSO, ether, aqueous samples. Affected by many organic solvents: acetonitrile, benzene, chloroform, hexane, pyridine, tetrahydrofuran, toluene.

PTFE/rubber (maximum temperature 100 °C). Use with most organic (until pierced). Resistant to chlorosilanes.

PTFE/Silicone (maximum temperature 250 °C). Use with most organic (until pierced). Not recommended for use with chlorosilanes.

 (maximum temperature 300 °C. An improved grade of silicone septa that can be used at higher temperatures. Affected by many organic solvents.

 (maximum temperature 315 °C). Resists mineral oil, aliphatic and aromatic hydrocarbons, high concentrations of acids, high temperatures. Not compatible with strong bases, ketones, low molecular weight esters.

PTFE Liner (maximum temperature 225 °C). The thickness of this material is 0.010". This material is used as an inert barrier for use with hydrocarbons and alcohols.


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  • Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia
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  • All India