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Hot Sell Factory Laboratory Wholesale Pre-slit PTFE/Silicone Septa Manufacturer
The slit allows ambient gas to equalize the gas in the vial so that a vacuum is not created in the vial from the tight seal around the needle. If coring or clogging from a narrow needle or needle deflection from highly durable septa material is a concern, then choosing a pre-slit septum is a better choice.
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A PTFE/Silicone with a slitted septum allows for easier needle penetration as well as to release the vacuum that forms when a large volume of sample is withdrawn from a vial.
Details
Pre-slit PTFE / Silicone Septum
In order to pierce easily
Diameter: 8mm to 22mm
Thickness: 1mm, 1.5mm, 3mm
Septa Material: PTFE / Silicone
Septa Feature: Pre-slit I or X
Packing: 100pcs/pack, Inner PE bag; Standard Carton o
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