{"product_id":"chemglass-hollow-pennyhead-glass-stopper-24-40","title":"Chemglass Hollow Pennyhead Glass Stopper 24\/40 Lot of 4 Stoppers","description":"\u003cp\u003e\u003cspan class=\"citation-322\"\u003eThe \u003c\/span\u003e\u003cspan class=\"citation-322\"\u003eChemglass CG-3000-05\u003c\/span\u003e\u003cspan class=\"citation-322\"\u003e is a high-quality \u003c\/span\u003e\u003cspan class=\"citation-322\"\u003ehollow pennyhead stopper\u003c\/span\u003e\u003cspan class=\"citation-322\"\u003e designed to provide a secure, ground-glass seal for laboratory glassware with a \u003c\/span\u003e\u003cspan class=\"citation-322\"\u003e24\/40 standard taper joint\u003c\/span\u003e\u003cspan class=\"citation-322 citation-end-322\"\u003e.\u003csup data-turn-source-index=\"1\" class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e These are essential for sealing flasks, separation funnels, and other glass apparatus during storage or chemical reactions. Being hollow makes the stopper significantly lighter than solid glass versions, reducing the weight load on delicate glass joints and making them easier to handle. The 24\/40 ground surface is manufactured to strict tolerances to ensure a leak-tight, vacuum-compatible seal when used with a small amount of joint grease or a PTFE sleeve. \u003csup class=\"superscript\" data-turn-source-index=\"7\"\u003e\u003c\/sup\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csup class=\"superscript\" data-turn-source-index=\"7\"\u003eUsed, in great condition.\u003c\/sup\u003e\u003c\/p\u003e","brand":"Chemglass","offers":[{"title":"Default Title","offer_id":48766691672316,"sku":"10377","price":80.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/chemglass-hollow-pennyhead-glass-stopper-2440-lot-of-4-stoppers-jointed-glassware-chemglass-219871.jpg?v=1770938168","url":"https:\/\/lifesciencestrading.com\/products\/chemglass-hollow-pennyhead-glass-stopper-24-40","provider":"Life Sciences Trading","version":"1.0","type":"link"}