{"product_id":"neville-and-more-natural-rubber-stoppers","title":"Neville and More Natural Rubber Stoppers","description":"\u003ch4\u003e\u003cstrong\u003eNatural Rubber Stoppers\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp class=\"\" data-end=\"553\" data-start=\"86\"\u003e\u003cstrong data-end=\"113\" data-start=\"86\"\u003eNatural Rubber Stoppers\u003c\/strong\u003e are small, cylindrical plugs made from \u003cstrong data-end=\"171\" data-start=\"153\"\u003enatural rubber\u003c\/strong\u003e, designed to seal the openings of containers such as t\u003cstrong\u003eest tubes, flasks, bottles, and vials.\u003c\/strong\u003e They are commonly used in laboratories and industrial applications to \u003cstrong\u003eprevent contamination, evaporation, or spillage\u003c\/strong\u003e of contents. Natural rubber stoppers offer excellent elasticity and sealing properties, making them ideal for temporary closures and sealing tasks in various experiments.\u003c\/p\u003e\n\u003chr class=\"\" data-end=\"558\" data-start=\"555\"\u003e\n\u003ch3 class=\"\" data-end=\"583\" data-start=\"560\"\u003e\u003cstrong data-end=\"583\" data-start=\"564\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1593\" data-start=\"584\"\u003e\n\u003cli class=\"\" data-end=\"690\" data-start=\"584\"\u003e\n\u003cp class=\"\" data-end=\"690\" data-start=\"586\"\u003e\u003cstrong data-end=\"599\" data-start=\"586\"\u003eMaterial:\u003c\/strong\u003e 100% natural rubber (sometimes blended with other rubber compounds for added durability)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"813\" data-start=\"691\"\u003e\n\u003cp class=\"\" data-end=\"813\" data-start=\"693\"\u003e\u003cstrong data-end=\"708\" data-start=\"693\"\u003eSize Range:\u003c\/strong\u003e Available in various sizes to fit different container openings, from small test tubes to larger flasks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"910\" data-start=\"814\"\u003e\n\u003cp class=\"\" data-end=\"910\" data-start=\"816\"\u003e\u003cstrong data-end=\"826\" data-start=\"816\"\u003eShape:\u003c\/strong\u003e Typically cylindrical with tapered sides for a snug fit; some may have a flat top\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"999\" data-start=\"911\"\u003e\n\u003cp class=\"\" data-end=\"999\" data-start=\"913\"\u003e\u003cstrong data-end=\"926\" data-start=\"913\"\u003eHardness:\u003c\/strong\u003e Soft and flexible, with good elasticity for easy insertion and removal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1154\" data-start=\"1000\"\u003e\n\u003cp class=\"\" data-end=\"1154\" data-start=\"1002\"\u003e\u003cstrong data-end=\"1029\" data-start=\"1002\"\u003eTemperature Resistance:\u003c\/strong\u003e Generally resistant to temperatures ranging from -20°C to 100°C, though this can vary based on specific rubber composition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1347\" data-start=\"1155\"\u003e\n\u003cp class=\"\" data-end=\"1347\" data-start=\"1157\"\u003e\u003cstrong data-end=\"1181\" data-start=\"1157\"\u003eChemical Resistance:\u003c\/strong\u003e Offers moderate resistance to acids, alkalis, and some organic solvents; however, it may degrade in the presence of strong acids, oils, or petroleum-based products\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1496\" data-start=\"1348\"\u003e\n\u003cp class=\"\" data-end=\"1496\" data-start=\"1350\"\u003e\u003cstrong data-end=\"1360\" data-start=\"1350\"\u003eColor:\u003c\/strong\u003e Often available in a natural light brown or beige color, but can also be found in black or other colors depending on the manufacturer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1593\" data-start=\"1497\"\u003e\n\u003cp class=\"\" data-end=\"1593\" data-start=\"1499\"\u003e\u003cstrong data-end=\"1513\" data-start=\"1499\"\u003ePackaging:\u003c\/strong\u003e Typically sold in bags or boxes with varying quantities depending on the size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"\" data-end=\"1598\" data-start=\"1595\"\u003e\n\u003ch3 class=\"\" data-end=\"1613\" data-start=\"1600\"\u003e\u003cstrong data-end=\"1613\" data-start=\"1604\"\u003eUses:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2348\" data-start=\"1614\"\u003e\n\u003cli class=\"\" data-end=\"1770\" data-start=\"1614\"\u003e\n\u003cp class=\"\" data-end=\"1641\" data-start=\"1616\"\u003e\u003cstrong data-end=\"1639\" data-start=\"1616\"\u003eSealing Containers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1770\" data-start=\"1644\"\u003e\n\u003cli class=\"\" data-end=\"1770\" data-start=\"1644\"\u003e\n\u003cp class=\"\" data-end=\"1770\" data-start=\"1646\"\u003eUsed to seal test tubes, flasks, and bottles in laboratory experiments to prevent spillage, evaporation, and contamination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"1898\" data-start=\"1771\"\u003e\n\u003cp class=\"\" data-end=\"1794\" data-start=\"1773\"\u003e\u003cstrong data-end=\"1792\" data-start=\"1773\"\u003eVacuum Systems:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1898\" data-start=\"1797\"\u003e\n\u003cli class=\"\" data-end=\"1898\" data-start=\"1797\"\u003e\n\u003cp class=\"\" data-end=\"1898\" data-start=\"1799\"\u003eOften used in vacuum applications for sealing vessels during distillation or filtration processes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2054\" data-start=\"1899\"\u003e\n\u003cp class=\"\" data-end=\"1926\" data-start=\"1901\"\u003e\u003cstrong data-end=\"1924\" data-start=\"1901\"\u003eStorage of Samples:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2054\" data-start=\"1929\"\u003e\n\u003cli class=\"\" data-end=\"2054\" data-start=\"1929\"\u003e\n\u003cp class=\"\" data-end=\"2054\" data-start=\"1931\"\u003eUseful for temporarily sealing biological or chemical samples in small containers to prevent contamination during storage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2201\" data-start=\"2055\"\u003e\n\u003cp class=\"\" data-end=\"2082\" data-start=\"2057\"\u003e\u003cstrong data-end=\"2080\" data-start=\"2057\"\u003eChemical Reactions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2201\" data-start=\"2085\"\u003e\n\u003cli class=\"\" data-end=\"2201\" data-start=\"2085\"\u003e\n\u003cp class=\"\" data-end=\"2201\" data-start=\"2087\"\u003eEmployed in experiments where a sealed environment is needed to control the ingress or egress of gases or vapors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2348\" data-start=\"2202\"\u003e\n\u003cp class=\"\" data-end=\"2237\" data-start=\"2204\"\u003e\u003cstrong data-end=\"2235\" data-start=\"2204\"\u003eMedical and Pharmaceutical:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2348\" data-start=\"2240\"\u003e\n\u003cli class=\"\" data-end=\"2348\" data-start=\"2240\"\u003e\n\u003cp class=\"\" data-end=\"2348\" data-start=\"2242\"\u003eUsed in laboratory and pharmaceutical settings for sealing vials and containers to preserve the contents\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"\" data-end=\"2353\" data-start=\"2350\"\u003e\n\u003ch3 class=\"\" data-end=\"2372\" data-start=\"2355\"\u003e\u003cstrong data-end=\"2372\" data-start=\"2359\"\u003eFeatures:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"3184\" data-start=\"2373\"\u003e\n\u003cli class=\"\" data-end=\"2466\" data-start=\"2373\"\u003e\n\u003cp class=\"\" data-end=\"2466\" data-start=\"2375\"\u003e✅ \u003cstrong data-end=\"2402\" data-start=\"2377\"\u003eExcellent Elasticity:\u003c\/strong\u003e Provides a snug and reliable seal for various container types\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2571\" data-start=\"2467\"\u003e\n\u003cp class=\"\" data-end=\"2571\" data-start=\"2469\"\u003e✅ \u003cstrong data-end=\"2498\" data-start=\"2471\"\u003eEasy Insertion\/Removal:\u003c\/strong\u003e Soft and flexible, making it easy to insert and remove from containers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2712\" data-start=\"2572\"\u003e\n\u003cp class=\"\" data-end=\"2712\" data-start=\"2574\"\u003e✅ \u003cstrong data-end=\"2609\" data-start=\"2576\"\u003eModerate Chemical Resistance:\u003c\/strong\u003e Offers resistance to many common laboratory chemicals, but care should be taken with strong solvents\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2835\" data-start=\"2713\"\u003e\n\u003cp class=\"\" data-end=\"2835\" data-start=\"2715\"\u003e✅ \u003cstrong data-end=\"2743\" data-start=\"2717\"\u003eTemperature Stability:\u003c\/strong\u003e Works within a wide temperature range, suitable for most standard laboratory applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"2964\" data-start=\"2836\"\u003e\n\u003cp class=\"\" data-end=\"2964\" data-start=\"2838\"\u003e✅ \u003cstrong data-end=\"2860\" data-start=\"2840\"\u003eVersatile Sizes:\u003c\/strong\u003e Available in many sizes and diameters, making them adaptable to a wide range of laboratory containers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"3051\" data-start=\"2965\"\u003e\n\u003cp class=\"\" data-end=\"3051\" data-start=\"2967\"\u003e✅ \u003cstrong data-end=\"2988\" data-start=\"2969\"\u003eCost-Effective:\u003c\/strong\u003e Affordable, disposable, and commonly used in high quantities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"3184\" data-start=\"3052\"\u003e\n\u003cp class=\"\" data-end=\"3184\" data-start=\"3054\"\u003e✅ \u003cstrong data-end=\"3070\" data-start=\"3056\"\u003eNon-Toxic:\u003c\/strong\u003e Suitable for general laboratory use, though specific testing may be needed for sensitive biological experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"\" data-end=\"3189\" data-start=\"3186\"\u003e\n\u003ch3 class=\"\" data-end=\"3212\" data-start=\"3191\"\u003e\u003cstrong data-end=\"3212\" data-start=\"3195\"\u003eSafety Notes:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"3778\" data-start=\"3213\"\u003e\n\u003cli class=\"\" data-end=\"3435\" data-start=\"3213\"\u003e\n\u003cp class=\"\" data-end=\"3435\" data-start=\"3215\"\u003e\u003cstrong data-end=\"3242\" data-start=\"3215\"\u003eChemical Compatibility:\u003c\/strong\u003e While natural rubber provides a good seal, it may not be compatible with all chemicals, particularly strong acids, oils, and petroleum-based substances, which may degrade the rubber over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"3641\" data-start=\"3436\"\u003e\n\u003cp class=\"\" data-end=\"3641\" data-start=\"3438\"\u003e\u003cstrong data-end=\"3466\" data-start=\"3438\"\u003eTemperature Limitations:\u003c\/strong\u003e Avoid using natural rubber stoppers in applications involving high temperatures above the rubber’s specified limit, as this can lead to distortion or loss of sealing ability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\" data-end=\"3778\" data-start=\"3642\"\u003e\n\u003cp class=\"\" data-end=\"3778\" data-start=\"3644\"\u003e\u003cstrong data-end=\"3656\" data-start=\"3644\"\u003eStorage:\u003c\/strong\u003e Stoppers should be stored in a cool, dry place away from direct sunlight and chemical vapors to maintain their integrity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Neville and More","offers":[{"title":"Test tubes, glass bottle, laboratory consumables \/ 38 mm \/ Natural Rubber \/ Red \/ Pack of 100 \/ New - Unopened (Sealed)","offer_id":51516250456391,"sku":"14820482","price":43.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/7245\/8055\/files\/convert_0b434303-e512-4572-b4a2-007d86204c86.png?v=1745939428","url":"https:\/\/checkout.wasteless.bio\/en-us\/products\/neville-and-more-natural-rubber-stoppers","provider":"Wasteless Bio","version":"1.0","type":"link"}