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13mm Thread Closures
https://aijirentechinc.com/aijirenvials

13mm Thread Closures

The screw cap that comes with the 13mm screw neck cap has knurling on the side, which provides excellent grip and comfort when laboratory personnel use the vial. The silicone rubber/PTFE septa used with the 13mm screw cap is designed to provide adequate resistance to the autosampler needles during sample injection so that they can penetrate the sample vial correctly without damaging the septa or the injection needle. Too much or too little needle resistance will damage the septum and affect resealing. It is also possible that the needle will be blocked due to the core of the septa material, and even the autosampler may be damaged. These septas produced by Aijiren can work even when using a variety of needles: fine needles, blunt needles and even blunt needles. When using aijiren 13mm screw caps, even after multiple injections, the sample or solvent evaporation performance is low.

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Aijiren is a factory specializing in the production of closures. In addition to the common 8mm, 9mm, and 10mm, it also produces 13mm screw closures, because 4ml 13-425 hplc vial is also commonly used in autosamplers in liquid and gas chromatography. Therefore, the matching 13mm screw closures have more demand. Aijiren, as a well-known supplier of chromatography consumables at home and abroad, has always insisted on maintaining brand quality.

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