{"product_id":"polar-tech-rigid-foam-refrigerant-pack-rb15-4-5-x-4-x-1-5-case-of-6-reusable-non-toxic-cooling","title":"Polar Tech Rigid Foam Refrigerant Pack RB15 — 4.5\" x 4\" x 1.5\", Case of 6, Reusable Non-Toxic Cooling","description":"\u003cp\u003e\u003cstrong\u003ePolar Tech RB 15 Re-Freeze-R-Brix is a reusable rigid foam refrigerant pack that holds its shape frozen or thawed to keep chilled and frozen items at stable temperatures during transport and storage.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for shippers, retailers, and home users who need a dependable cold source, the RB15 Re-Freeze-R-Brix combines a dense, rigid foam core with a durable, sealed plastic pouch. The pack measures 4-1\/2\" long by 4\" wide by 1-1\/2\" thick and is sold as a case of six units. It’s non-toxic, economical, and engineered to protect perishable goods in insulated containers, offering a balance of thermal performance and reusability without relying on gels or loose ice.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this refrigerant keep items cold without leaking or melting into a mess?\u003c\/h3\u003e\n\u003cp\u003eThe RB15 uses a rigid foam composition sealed inside a heavy-duty plastic pouch so it never turns into a free liquid that can leak. Even when it warms up, the pack retains its shape, preventing spills and simplifying handling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRigid foam core that stays solid or intact when thawed\u003c\/li\u003e\n  \u003cli\u003eDurable sealed pouch prevents leakage and punctures\u003c\/li\u003e\n  \u003cli\u003eMaintains physical integrity for repeated freeze\/thaw cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill one pack last long enough for shipping and short-term storage?\u003c\/h3\u003e\n\u003cp\u003eYes — the RB15 is built for extended cooling periods when used inside properly insulated containers. Its dense foam structure slows thermal transfer, keeping frozen goods chilled for longer than many gel packs of similar size.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOptimized thickness and density for longer chill times\u003c\/li\u003e\n  \u003cli\u003eBest performance inside insulated boxes or coolers\u003c\/li\u003e\n  \u003cli\u003eWorks well for same-day deliveries and short refrigerated transports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the Re-Freeze-R-Brix safe and reusable for repeated shipments?\u003c\/h3\u003e\n\u003cp\u003eThis refrigerant is non-toxic and designed for multiple use cycles. After thawing you simply refreeze the pack; its rigid foam will hold shape and function through many shipments, making it an economical choice for businesses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-toxic, sealed design for safe handling\u003c\/li\u003e\n  \u003cli\u003eReusable across many freeze\/thaw cycles to lower recurring costs\u003c\/li\u003e\n  \u003cli\u003eEasy to clean and store between uses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does it protect against over-freezing as well as thawing?\u003c\/h3\u003e\n\u003cp\u003ePolar Tech Re-Freeze-R-Brix not only prolongs cold conditions but can moderate extremes when packaged correctly. Warming packs release stored heat gradually, helping prevent fragile products from freezing solid, while frozen packs keep items chilled without sudden temperature swings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePacked with thermal mass to buffer temperature changes\u003c\/li\u003e\n  \u003cli\u003eWhen warmed, releases heat slowly to reduce freezing risk\u003c\/li\u003e\n  \u003cli\u003eWhen frozen, sustains low temperatures to prevent thawing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The RB15 Re-Freeze-R-Brix suits ecommerce food sellers, caterers, pharmaceutical shippers (non-medical use), laboratory couriers, farmers markets, and household users who need a compact, dependable cold source. It’s ideal whenever you need a non-leaking, reusable refrigerant that keeps products chilled in insulated containers without the mess of ice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I prepare the RB15 for use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Freeze the RB15 solid before packing; store flat in your freezer. Use inside insulated containers for best performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I reuse these packs and are they safe?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they are reusable and non-toxic; simply refreeze after use and inspect the sealed pouch for damage before reusing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Polar Tech","offers":[{"title":"Default Title","offer_id":48086896640158,"sku":"B009W7YA30","price":33.72,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/polar-tech-rb15-front-packaging.jpg?v=1785909315","url":"https:\/\/northtrailauto.ca\/products\/polar-tech-rigid-foam-refrigerant-pack-rb15-4-5-x-4-x-1-5-case-of-6-reusable-non-toxic-cooling","provider":"North Trail Auto","version":"1.0","type":"link"}