{"product_id":"premium-quality-100-pack-blue-9-mm-screw-thread-hp","title":"Premium Quality 100 Pack Blue 9 Mm Screw Thread HPLC Vial Caps Featuring Pre Slit PTFE Lined Septa That Pierces Like A Dream For Smooth Autosampler Action And Total Zero Hassle Lab Prep","description":"\u003cdiv\u003e\n\u003cp\u003eBlue Screw Cap Vial Lids For Autosampler Labs\u003cbr\u003e\n✔️ 100 pack blue polypropylene 9mm screw caps with PTFE silicone septum\u003c\/p\u003e \u003cp\u003eThis set of 100 blue screw thread caps seals narrow mouth vials securely during high pressure liquid chromatography and robotic injector runs. The pre slit PTFE covered layer shields injection probes from wear while keeping samples isolated from ambient contamination throughout daily testing workflows.\u003c\/p\u003e ✅ Blue polypropylene shells resist common lab corrosives\u003cbr\u003e\n✅ 9mm internal cavity accommodates standard injection volumes\u003cbr\u003e\n✅ Pre slit PTFE facing guards against needle scoring damage\u003cbr\u003e\n✅ White silicone core delivers consistent sealing torque values\u003cbr\u003e\n✅ 100 unit packing keeps inventory levels steady during peak runs\u003cbr\u003e \u003cp\u003e💡 What makes pre slit PTFE septums better for repeated autosampler injections than solid liners?\u003cbr\u003e\nThe split liner reduces mechanical drag right where the sampling probe connects, which keeps method timing steady across long sequences.\u003cbr\u003e\n- Sharp incisions open wider as the steel tip pushes through, meaning less chance of droplet formation on the cap shoulder.\u003cbr\u003e\n- Chemical inert layers stop leaching into organic solvents, so your peak shapes stay tight without background noise spikes.\u003cbr\u003e\n- Fast replacement cycles save bench space since you can stack spares nearby and grab what you need without pausing the workflow.\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49235056951531,"sku":"VXB0799FXWHT","price":55.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61F2RdgBx-L.jpg?v=1786798171","url":"https:\/\/vxb.com\/products\/premium-quality-100-pack-blue-9-mm-screw-thread-hp","provider":"VXB Bearings","version":"1.0","type":"link"}