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Home » Products » Chromatography Apparatus » Closures with Pre-Cut septa

Closures with Pre-Cut septa

Closures with Pre-Cut septa
Closures with Pre-Cut septa
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Product Code : 02
Product Description

Closures using pre-cut septa are available in a variety of caps and seals. The pre-cut septa are manufactured by making a slit in the silicone layer, but leaving the PTFE barrier uncut.
Less pressure is required for the autosampler needle to penetrate the pre-cut septa as compared to non-slitted septa, resulting in fewer bent and/or broken needles. The uncut PTFE layer provides a better seal than other commercially sold slitted septa until the needle punctures the septa. This design provides the needle with a larger target area for penetration even when the needle doesn′t come down in the center of the septa.
The products are available in four closure styles thatn can be used with crimp style and screw thread vials. They are each sold in packs of 100 each.


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