{"product_id":"blueseal-r-134a-ac-stop-leak-2oz-non-polymer-formula-with-uv-dye-safe-for-compressors","title":"blueseal R-134a AC Stop Leak 2oz — Non‑Polymer Formula with UV Dye, Safe for Compressors","description":"\u003cp\u003e\u003cstrong\u003eBlueseal R134a Quick A\/C Stop Leak is a self-activating, zero-polymer 2oz formula with UV dye that permanently seals small refrigerant leaks in R-134a automotive systems without clogging components.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen an automotive air conditioning system slowly loses cooling power, tiny refrigerant leaks are often the culprit. Blueseal’s lab-tested, non-polymer formula is designed for R-134a MVAC systems and bonds upon exposure to oxygen under system pressure to seal evaporator cores, condensers, hoses, gaskets and O-rings. The product arrives in a compact 2oz canister with a reusable install hose and built-in UV dye to speed up leak location, while its particulate-free chemistry avoids harm to compressors or recovery machines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Blueseal actually stop refrigerant leaks?\u003c\/h3\u003e\n\u003cp\u003eThe formula remains liquid inside the sealed AC system and reacts when air enters a leak, bonding to metal and rubber surfaces at the leak point. Because it contains no polymers or solids, it forms seals without leaving particulate residue that could obstruct narrow passages or recovery equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eZero-polymer chemistry prevents clogging of compressors and valves.\u003c\/li\u003e\n  \u003cli\u003eBonds on contact with oxygen under normal system pressures.\u003c\/li\u003e\n  \u003cli\u003eWorks on both metal components and rubber seals like O-rings and hoses.\u003c\/li\u003e\n  \u003cli\u003eIncludes UV dye to make locating stubborn leaks faster.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Blueseal harm my car’s AC or recovery tools?\u003c\/h3\u003e\n\u003cp\u003eNo — Blueseal is formulated to avoid solids and particulates so it won’t foul recovery machines, line filters, or the compressor internals. It is OSHA-classified non-hazardous for handling and intended for DIY use as well as professional service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eParticulate-free design safe for recovery and diagnostic equipment.\u003c\/li\u003e\n  \u003cli\u003eNon-solids chemistry reduces risk of filter or orifice blockages.\u003c\/li\u003e\n  \u003cli\u003eSafe for use in systems specified for R-134a refrigerant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow effective is it and what size leaks can it handle?\u003c\/h3\u003e\n\u003cp\u003eControlled laboratory testing shows a high success rate on systems that lose modest amounts of refrigerant annually. Blueseal is intended for small-to-moderate slow leaks — larger ruptures or heavily damaged components may still require part replacement or technician attention.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLab-tested 95%+ seal rate in systems losing up to 25 oz of refrigerant per year.\u003c\/li\u003e\n  \u003cli\u003eBest for pinholes, hairline cracks, and seepage at fittings, hoses, cores, and O-rings.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in UV dye helps technicians identify larger leaks that need mechanical repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I apply Blueseal and what else do I need?\u003c\/h3\u003e\n\u003cp\u003eApplication is straightforward: attach the included reusable R-134a install hose to the self-sealing valve on the can, connect to the low-side service port, and follow product directions to introduce the 2oz dose into the system. Refrigerant recharge is sold separately; after sealing, verify system pressure and cooling performance and use UV light if needed to confirm leak location.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes reusable hose and self-sealing rubber valve for tool-free connection.\u003c\/li\u003e\n  \u003cli\u003eRequires an R-134a refrigerant top-up after sealing if levels are low.\u003c\/li\u003e\n  \u003cli\u003eUse a UV lamp to spot dye for precise leak diagnosis when needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Blueseal is aimed at car owners and service technicians who need a reliable, non-clogging stop-leak solution for R-134a automotive AC systems. It’s especially useful for DIY enthusiasts looking for a quick, professional-grade fix for slow refrigerant loss, and for shops that want a diagnostic-friendly sealer that includes UV dye and won’t compromise recovery equipment. For catastrophic leaks or major component failure, combine Blueseal use with professional inspection and necessary part replacements.\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: Can I use Blueseal with any R-134a car AC?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Blueseal is formulated for R-134a MVAC systems and is safe for most automotive A\/C applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to recharge refrigerant after using this product?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically yes — if your system lost refrigerant, you’ll need to recharge to the correct level after sealing is complete.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"blueseal","offers":[{"title":"Default Title","offer_id":48083607552158,"sku":"B0GP8N1BJD","price":57.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/blueseal-front-packaging_155d2084-5845-446c-a428-65734f1a3b38.jpg?v=1785834729","url":"https:\/\/northtrailauto.ca\/products\/blueseal-r-134a-ac-stop-leak-2oz-non-polymer-formula-with-uv-dye-safe-for-compressors","provider":"North Trail Auto","version":"1.0","type":"link"}