{"product_id":"jg-finneran-associates-black-top-hat-threaded-closure","title":"JG Finneran Associates Top Hat Threaded Closure","description":"\u003ch4\u003e\u003cstrong\u003eScrew Caps\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-start=\"128\" data-end=\"463\" class=\"\"\u003e\u003cstrong data-start=\"128\" data-end=\"142\"\u003eScrew caps\u003c\/strong\u003e are threaded closures designed to seal containers such as bottles, vials, tubes, or jars. They are used across labs, manufacturing, and storage environments to ensure \u003cstrong data-start=\"310\" data-end=\"344\"\u003esecure, leak-proof containment\u003c\/strong\u003e of liquids, powders, or samples. They come in various materials, liner types, and thread standards (e.g., GL45, GL18).\u003c\/p\u003e\n\u003chr data-start=\"465\" data-end=\"468\" class=\"\"\u003e\n\u003ch3 data-start=\"470\" data-end=\"496\" class=\"\"\u003e\u003cstrong data-start=\"474\" data-end=\"496\"\u003e Specifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"497\" data-end=\"1266\"\u003e\n\u003cli data-start=\"497\" data-end=\"804\" class=\"\"\u003e\n\u003cp data-start=\"499\" data-end=\"513\" class=\"\"\u003e\u003cstrong data-start=\"499\" data-end=\"513\"\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"516\" data-end=\"804\"\u003e\n\u003cli data-start=\"516\" data-end=\"590\" class=\"\"\u003e\n\u003cp data-start=\"518\" data-end=\"590\" class=\"\"\u003e\u003cstrong data-start=\"518\" data-end=\"540\"\u003ePolypropylene (PP)\u003c\/strong\u003e – autoclavable, chemical-resistant, lightweight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"593\" data-end=\"669\" class=\"\"\u003e\n\u003cp data-start=\"595\" data-end=\"669\" class=\"\"\u003e\u003cstrong data-start=\"595\" data-end=\"616\"\u003ePolyethylene (PE)\u003c\/strong\u003e – economical and flexible, not always autoclavable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"672\" data-end=\"737\" class=\"\"\u003e\n\u003cp data-start=\"674\" data-end=\"737\" class=\"\"\u003e\u003cstrong data-start=\"674\" data-end=\"692\"\u003ePhenolic resin\u003c\/strong\u003e – high temperature and chemical resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"740\" data-end=\"804\" class=\"\"\u003e\n\u003cp data-start=\"742\" data-end=\"804\" class=\"\"\u003e\u003cstrong data-start=\"742\" data-end=\"772\"\u003eMetal (aluminum\/stainless)\u003c\/strong\u003e – for industrial\/chemical use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"805\" data-end=\"943\" class=\"\"\u003e\n\u003cp data-start=\"807\" data-end=\"832\" class=\"\"\u003e\u003cstrong data-start=\"807\" data-end=\"832\"\u003eSizes (thread types):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"835\" data-end=\"943\"\u003e\n\u003cli data-start=\"835\" data-end=\"901\" class=\"\"\u003e\n\u003cp data-start=\"837\" data-end=\"901\" class=\"\"\u003eStandard thread types: \u003cstrong data-start=\"860\" data-end=\"886\"\u003eGL25, GL32, GL45, GL80\u003c\/strong\u003e, or \u003cstrong data-start=\"891\" data-end=\"901\"\u003ecustom\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"904\" data-end=\"943\" class=\"\"\u003e\n\u003cp data-start=\"906\" data-end=\"943\" class=\"\"\u003eDiameter ranges: \u003cstrong data-start=\"923\" data-end=\"943\"\u003e13 mm to 120+ mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"944\" data-end=\"1149\" class=\"\"\u003e\n\u003cp data-start=\"946\" data-end=\"964\" class=\"\"\u003e\u003cstrong data-start=\"946\" data-end=\"964\"\u003eLiner Options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"967\" data-end=\"1149\"\u003e\n\u003cli data-start=\"967\" data-end=\"1036\" class=\"\"\u003e\n\u003cp data-start=\"969\" data-end=\"1036\" class=\"\"\u003e\u003cstrong data-start=\"969\" data-end=\"986\"\u003ePTFE\/Silicone\u003c\/strong\u003e – for aggressive chemicals or air-tight sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1039\" data-end=\"1087\" class=\"\"\u003e\n\u003cp data-start=\"1041\" data-end=\"1087\" class=\"\"\u003e\u003cstrong data-start=\"1041\" data-end=\"1062\"\u003ePolyethylene Foam\u003c\/strong\u003e – general-purpose seal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1090\" data-end=\"1149\" class=\"\"\u003e\n\u003cp data-start=\"1092\" data-end=\"1149\" class=\"\"\u003e\u003cstrong data-start=\"1092\" data-end=\"1125\"\u003eRubber or Teflon-faced rubber\u003c\/strong\u003e – for analytical uses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1150\" data-end=\"1202\" class=\"\"\u003e\n\u003cp data-start=\"1152\" data-end=\"1202\" class=\"\"\u003e\u003cstrong data-start=\"1152\" data-end=\"1163\"\u003eColors:\u003c\/strong\u003e Often color-coded for identification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1203\" data-end=\"1266\" class=\"\"\u003e\n\u003cp data-start=\"1205\" data-end=\"1266\" class=\"\"\u003e\u003cstrong data-start=\"1205\" data-end=\"1222\"\u003eAutoclavable:\u003c\/strong\u003e PP and some others, depending on material\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1268\" data-end=\"1271\" class=\"\"\u003e\n\u003ch3 data-start=\"1273\" data-end=\"1289\" class=\"\"\u003e\u003cstrong data-start=\"1277\" data-end=\"1289\"\u003e🧪 Uses:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1290\" data-end=\"1564\"\u003e\n\u003cli data-start=\"1290\" data-end=\"1336\" class=\"\"\u003e\n\u003cp data-start=\"1292\" data-end=\"1336\" class=\"\"\u003e\u003cstrong data-start=\"1292\" data-end=\"1336\"\u003eSealing laboratory bottles, tubes, vials\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1337\" data-end=\"1388\" class=\"\"\u003e\n\u003cp data-start=\"1339\" data-end=\"1388\" class=\"\"\u003e\u003cstrong data-start=\"1339\" data-end=\"1359\"\u003eChemical storage\u003c\/strong\u003e in reagent or sample bottles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1389\" data-end=\"1436\" class=\"\"\u003e\n\u003cp data-start=\"1391\" data-end=\"1436\" class=\"\"\u003e\u003cstrong data-start=\"1391\" data-end=\"1415\"\u003eTransporting liquids\u003c\/strong\u003e safely without leaks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1437\" data-end=\"1498\" class=\"\"\u003e\n\u003cp data-start=\"1439\" data-end=\"1498\" class=\"\"\u003e\u003cstrong data-start=\"1439\" data-end=\"1467\"\u003ePreventing contamination\u003c\/strong\u003e of sterile samples or reagents\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1499\" data-end=\"1564\" class=\"\"\u003e\n\u003cp data-start=\"1501\" data-end=\"1564\" class=\"\"\u003e\u003cstrong data-start=\"1501\" data-end=\"1524\"\u003eColor-coded systems\u003c\/strong\u003e for reagent or sample differentiation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1566\" data-end=\"1569\" class=\"\"\u003e\n\u003ch3 data-start=\"1571\" data-end=\"1607\" class=\"\"\u003e\u003cstrong data-start=\"1575\" data-end=\"1607\"\u003e Features \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1608\" data-end=\"2184\"\u003e\n\u003cli data-start=\"1608\" data-end=\"1664\" class=\"\"\u003e\n\u003cp data-start=\"1610\" data-end=\"1664\" class=\"\"\u003e✅ \u003cstrong data-start=\"1612\" data-end=\"1632\"\u003eThreaded Design:\u003c\/strong\u003e Ensures secure, reusable seal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1665\" data-end=\"1731\" class=\"\"\u003e\n\u003cp data-start=\"1667\" data-end=\"1731\" class=\"\"\u003e✅ \u003cstrong data-start=\"1669\" data-end=\"1695\"\u003eLeak-Proof \u0026amp; Airtight:\u003c\/strong\u003e With compatible liners or gaskets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1732\" data-end=\"1813\" class=\"\"\u003e\n\u003cp data-start=\"1734\" data-end=\"1813\" class=\"\"\u003e✅ \u003cstrong data-start=\"1736\" data-end=\"1761\"\u003eChemically Resistant:\u003c\/strong\u003e Available materials handle acids, solvents, bases\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1814\" data-end=\"1888\" class=\"\"\u003e\n\u003cp data-start=\"1816\" data-end=\"1888\" class=\"\"\u003e✅ \u003cstrong data-start=\"1818\" data-end=\"1831\"\u003eReusable:\u003c\/strong\u003e Most lab-grade screw caps are durable and autoclavable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1889\" data-end=\"1963\" class=\"\"\u003e\n\u003cp data-start=\"1891\" data-end=\"1963\" class=\"\"\u003e✅ \u003cstrong data-start=\"1893\" data-end=\"1914\"\u003eVariety of Sizes:\u003c\/strong\u003e Fits vials, bottles, and tubes of many volumes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1964\" data-end=\"2034\" class=\"\"\u003e\n\u003cp data-start=\"1966\" data-end=\"2034\" class=\"\"\u003e✅ \u003cstrong data-start=\"1968\" data-end=\"1993\"\u003eOptional Vented Caps:\u003c\/strong\u003e For sterile filtration or gas exchange\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2035\" data-end=\"2108\" class=\"\"\u003e\n\u003cp data-start=\"2037\" data-end=\"2108\" class=\"\"\u003e✅ \u003cstrong data-start=\"2039\" data-end=\"2063\"\u003eColor-Coded Options:\u003c\/strong\u003e Simplifies identification and organization\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2109\" data-end=\"2184\" class=\"\"\u003e\n\u003cp data-start=\"2111\" data-end=\"2184\" class=\"\"\u003e✅ \u003cstrong data-start=\"2113\" data-end=\"2146\"\u003eWide-Mouth or Narrow Options:\u003c\/strong\u003e For easy pouring or precise control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"JG Finneran Associates","offers":[{"title":"13-425mm \/ PTFE and Silicone Lined \/ Screw Cap \/ Black \/ Pack of 100 \/ New - Unopened (Sealed)","offer_id":51516247703879,"sku":"10700862","price":23.77,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/7245\/8055\/files\/R_973bbb16-7a38-4085-993a-f980e5f60c24.jpg?v=1747302819","url":"https:\/\/checkout.wasteless.bio\/products\/jg-finneran-associates-black-top-hat-threaded-closure","provider":"Wasteless Bio","version":"1.0","type":"link"}