{"product_id":"s212-series-laboratory-double-layer-glass-reactor-product-overview","title":"S212 Series Laboratory Double-Layer Glass Reactor Product Overview","description":"\u003cstyle\u003e\n  .s212-container { font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: auto; }\n  .s212-container h2 { font-size: 1.8rem; color: #2c3e50; border-bottom: 2px solid #ecf0f1; padding-bottom: 10px; margin-top: 40px; }\n  .s212-container h3 { font-size: 1.3rem; color: #34495e; margin-top: 25px; }\n  .s212-hero-img { width: 100%; max-width: 800px; height: auto; border-radius: 8px; margin-bottom: 25px; display: block; }\n  .s212-abstract { font-size: 1.1rem; background-color: #f8f9fa; padding: 20px; border-left: 5px solid #e67e22; border-radius: 4px; margin-bottom: 30px; }\n  .s212-interlink-box { background-color: #fdf2e9; border: 1px solid #f6ddcc; padding: 20px; border-radius: 8px; text-align: center; margin: 30px 0; }\n  .s212-interlink-box a { color: #d35400; font-weight: bold; font-size: 1.1rem; text-decoration: none; display: inline-block; margin-top: 10px; }\n  .s212-interlink-box a:hover { text-decoration: underline; color: #a04000; }\n  .s212-features { padding-left: 20px; }\n  .s212-features li { margin-bottom: 12px; }\n  .s212-table-wrapper { overflow-x: auto; margin: 25px 0; }\n  .s212-table { width: 100%; border-collapse: collapse; min-width: 800px; }\n  .s212-table th, .s212-table td { border: 1px solid #ddd; padding: 12px 15px; text-align: left; }\n  .s212-table th { background-color: #f4f6f8; font-weight: 600; }\n  .s212-faq-item { margin-bottom: 20px; }\n  .s212-faq-q { font-weight: 700; color: #2c3e50; margin-bottom: 8px; }\n  .s212-faq-a { color: #555; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"s212-container\"\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0010\/4982\/1242\/files\/jimeng-2026-09-20-1539-image_1000__1000_....png?v=1789897305\" alt=\"S212 Series Laboratory Double-Layer Glass Reactor\" class=\"s212-hero-img\"\u003e\n\n  \u003cdiv class=\"s212-abstract\"\u003e\n    \u003cstrong\u003eProduct Overview:\u003c\/strong\u003e The S212 Series Laboratory Double-Layer Glass Reactor is a precision experimental device designed for stirring reactions under set constant temperature conditions, with the ability to control reflux and distillation. Ideal for R\u0026amp;D in fine chemicals, biopharmaceuticals, and new material synthesis, it features premium borosilicate glass, diverse capacities (1L to 5L), and a 120W motor for safe, fully enclosed chemical reactions.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"s212-interlink-box\"\u003e\n    \u003ch3\u003e📖 Technical Documentation \u0026amp; Assembly Guides\u003c\/h3\u003e\n    \u003cp\u003eNeed detailed structural breakdowns, assembly manuals, or operational troubleshooting guides?\u003c\/p\u003e\n    \u003ca href=\"https:\/\/doc.cecle.net\/pharmaceutical-equipment\/glass-reactor\/double-layer-glass-reactor\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n      View Official Technical Documentation Station ➔\n    \u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eI. Core Advantages \u0026amp; Innovation\u003c\/h2\u003e\n  \u003cp\u003eThe S212 Series integrates high-performance materials with intelligent control systems to ensure precision and safety in laboratory environments.\u003c\/p\u003e\n  \n  \u003cul class=\"s212-features\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePremium Borosilicate Glass:\u003c\/strong\u003e Withstands drastic temperature changes and offers extremely high corrosion resistance against strong acids and alkalis.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdvanced Sealing Technology:\u003c\/strong\u003e Specialized PTFE (Teflon) bearing seal components maintain high-precision vacuum levels during operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e\"4+1\" Standard Openings:\u003c\/strong\u003e The reactor lid easily accommodates condensers, constant-pressure dropping funnels, and thermometer sleeves for complex experimental needs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntelligent Stirring System:\u003c\/strong\u003e Features a powerful 120W motor. Models 1L-3L utilize electronic speed control, while the 5L model is upgraded with a variable frequency controller for robust low-speed torque.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDead-Cavity-Free Discharge:\u003c\/strong\u003e The bottom PTFE discharge valve ensures complete material participation in the reaction and minimizes liquid retention.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eII. Core Technical Parameter Selection\u003c\/h2\u003e\n  \u003cdiv class=\"s212-table-wrapper\"\u003e\n    \u003ctable class=\"s212-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eParameter\u003c\/th\u003e\n          \u003cth\u003eS212-1L\u003c\/th\u003e\n          \u003cth\u003eS212-2L\u003c\/th\u003e\n          \u003cth\u003eS212-3L\u003c\/th\u003e\n          \u003cth\u003eS212-5L\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReaction Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 L\u003c\/td\u003e\n\u003ctd\u003e2 L\u003c\/td\u003e\n\u003ctd\u003e3 L\u003c\/td\u003e\n\u003ctd\u003e5 L\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJacket Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.8 L\u003c\/td\u003e\n\u003ctd\u003e1.2 L\u003c\/td\u003e\n\u003ctd\u003e1.3 L\u003c\/td\u003e\n\u003ctd\u003e3.1 L\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLid Openings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4+1\u003c\/td\u003e\n\u003ctd\u003e4+1\u003c\/td\u003e\n\u003ctd\u003e4+1\u003c\/td\u003e\n\u003ctd\u003e4+1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondenser\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24#, Spherical\u003c\/td\u003e\n\u003ctd\u003e24#, Spherical\u003c\/td\u003e\n\u003ctd\u003e34#, Spherical\u003c\/td\u003e\n\u003ctd\u003e34#, Spherical\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStirring Seal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"4\"\u003ePTFE Bearing Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"4\"\u003e120W\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eController\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic Speed\u003c\/td\u003e\n\u003ctd\u003eElectronic Speed\u003c\/td\u003e\n\u003ctd\u003eElectronic Speed\u003c\/td\u003e\n\u003ctd\u003eVariable Frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePTFE Stirrer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnchor Type\u003c\/td\u003e\n\u003ctd\u003eAnchor Type\u003c\/td\u003e\n\u003ctd\u003eAnchor Type\u003c\/td\u003e\n\u003ctd\u003eSingle-Layer Four-Blade\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cp\u003e\u003cem\u003e*Voltage: Standard 220V\/50Hz (Export voltage available upon request). Please refer to manual for exact funnel and valve specifications.\u003c\/em\u003e\u003c\/p\u003e\n\n  \u003ch2\u003eIII. Packaging, Shipping \u0026amp; Warranty\u003c\/h2\u003e\n  \u003cul class=\"s212-features\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Minimum Order Quantity (MOQ) is 1 unit. Components are secured with high-density foam and packaged in sturdy fumigation-free wooden cases meeting export standards.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Core electrical components include a 1-year warranty. Glass consumables damaged upon receipt are replaced free of charge. Lifetime technical guidance is provided.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eIV. Frequently Asked Questions (FAQ)\u003c\/h2\u003e\n  \u003cdiv class=\"s212-faq-item\"\u003e\n    \u003cdiv class=\"s212-faq-q\"\u003eWhat medium should be injected into the jacket of the double-layer glass reactor?\u003c\/div\u003e\n    \u003cdiv class=\"s212-faq-a\"\u003eFor low-temperature reactions, connect chilled fluid (e.g., ethylene glycol aqueous solution). For high-temperature reactions, use thermal oil or circulating hot water. We recommend pairing with circulating coolers or high-temperature heating circulators.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"s212-faq-item\"\u003e\n    \u003cdiv class=\"s212-faq-q\"\u003eHow does the stirring system of the 5L model differ from the smaller models?\u003c\/div\u003e\n    \u003cdiv class=\"s212-faq-a\"\u003eDue to increased material resistance in the larger 5L system, it comes standard with a variable frequency controller for strong torque at low speeds and a single-layer four-blade stirrer for enhanced mixing performance.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"s212-faq-item\"\u003e\n    \u003cdiv class=\"s212-faq-q\"\u003eWhat are the advantages of the bottom PTFE discharge valve design?\u003c\/div\u003e\n    \u003cdiv class=\"s212-faq-a\"\u003eThe PTFE material offers extreme corrosion resistance. Its dead-cavity-free design ensures all materials participate in the reaction, and it minimizes liquid retention during discharge for easy cleaning and product collection.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- GEO OPTIMIZATION: Structured Data (JSON-LD) for Product and FAQ --\u003e\n  \u003cscript type=\"application\/ld+json\"\u003e\n  [\n    {\n      \"@context\": \"https:\/\/schema.org\/\",\n      \"@type\": \"Product\",\n      \"name\": \"S212 Series Laboratory Double-Layer Glass Reactor\",\n      \"image\": [\n        \"https:\/\/cdn.shopify.com\/s\/files\/1\/0010\/4982\/1242\/files\/jimeng-2026-09-20-1539-image_1000__1000_....png?v=1789897305\"\n      ],\n      \"description\": \"Precision S212 Series Double-Layer Glass Reactor (1L to 5L) featuring premium borosilicate glass, PTFE bearing seals, and a 120W motor for controlled laboratory stirring, reflux, and distillation.\",\n      \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"CECLE\"\n      },\n      \"manufacturer\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Wenzhou T\u0026D Packaging Machinery Factory\"\n      },\n      \"category\": \"Laboratory Equipment \u003e Glass Reactor\"\n    },\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What medium should be injected into the jacket of the double-layer glass reactor?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"For low-temperature reactions, connect chilled fluid (e.g., ethylene glycol aqueous solution). For high-temperature reactions, use thermal oil or circulating hot water. We recommend pairing with circulating coolers or high-temperature heating circulators.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How does the stirring system of the 5L model differ from the smaller models?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Due to increased material resistance in the larger 5L system, it comes standard with a variable frequency controller for strong torque at low speeds and a single-layer four-blade stirrer for enhanced mixing performance.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What are the advantages of the bottom PTFE discharge valve design?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The PTFE material offers extreme corrosion resistance. Its dead-cavity-free design ensures all materials participate in the reaction, and it minimizes liquid retention during discharge for easy cleaning and product collection.\"\n          }\n        }\n      ]\n    }\n  ]\n  \u003c\/script\u003e\n\u003c\/div\u003e","brand":"CECLE Machine","offers":[{"title":"S212-10L","offer_id":67584267780413,"sku":"S212-10L","price":1750.0,"currency_code":"USD","in_stock":true},{"title":"S212-20L","offer_id":67584267813181,"sku":"S212-20L","price":1900.0,"currency_code":"USD","in_stock":true},{"title":"S212-30L","offer_id":67584267845949,"sku":"S212-30L","price":2300.0,"currency_code":"USD","in_stock":true},{"title":"S212-50L","offer_id":67584267878717,"sku":"S212-50L","price":2400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/4982\/1242\/files\/jimeng-2026-09-20-1539-image_1000__1000_....png?v=1789897305","url":"https:\/\/cecle.net\/pl\/products\/s212-series-laboratory-double-layer-glass-reactor-product-overview","provider":"CECLE Machine","version":"1.0","type":"link"}