网页PTFE and silicone hplc vial septa exporter United Arab Emirates 9-425 screw thread autosampler hplc vial caps, 9mm, pre-slit 2ml 9-425 screw caps specifications: septum: red ptfe / white silicone, white ptfe / red silicone part number: lbsv102css, lbsv002crs diameter: 9 ± 0.05 mm thickness: 1 ± 0.05 mm shore hardness: 45° series: autosampler