{"product_id":"permatex-ultra-black-rtv-silicone-gasket-maker-9-5-oz-powerbead-can-6-pack-oil-resistant-sensor-safe","title":"Permatex Ultra Black RTV Silicone Gasket Maker 9.5 oz PowerBead Can (6-pack) — Oil‑Resistant, Sensor‑Safe","description":"\u003cp\u003e\u003cstrong\u003ePermatex Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker is a sensor-safe, fast-curing gasket sealant formulated for oil-exposed engine and drivetrain surfaces.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt to meet OEM silicone performance, this Ultra Black RTV provides long-lasting flexibility and exceptional oil resistance across a wide temperature range. Its low-odor, non-corrosive formula bonds reliably to modern materials — including aluminum and high-tech plastics — and is designed to maintain torque and seal integrity where engine sensors and extended-warranty requirements matter.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this gasket maker stand up to oil and heat?\u003c\/h3\u003e\n\n\u003cp\u003eUltra Black is engineered specifically for oil-exposed applications, resisting breakdown from engine and shop fluids while tolerating high operating temperatures. The product preserves elasticity so gaskets remain sealed under thermal cycling and vibration.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTemperature range: -65°F to 500°F continuous, 550°F intermittent.\u003c\/li\u003e\n  \u003cli\u003ePatented adhesion system that retains oil resistance and flexibility.\u003c\/li\u003e\n  \u003cli\u003eFormulation resists engine oils, gear lubricants, and common shop chemicals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this safe for modern engine sensors and warranty requirements?\u003c\/h3\u003e\n\n\u003cp\u003eThe formula is sensor-safe and non-corrosive, reducing the risk of sensor damage or failure due to sealant interaction. Permatex developed Ultra Black to meet OEM specifications and support extended drivetrain warranty compliance when used per OEM guidelines.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLow-odor, non-corrosive chemistry minimizes sensor contamination risks.\u003c\/li\u003e\n  \u003cli\u003eOEM-specified performance suitable for dealer and service applications.\u003c\/li\u003e\n  \u003cli\u003eRecommended for use where warranty compliance is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat applications and surfaces is it best for?\u003c\/h3\u003e\n\n\u003cp\u003eThis RTV gasket maker is recommended for common automotive sealing points that need oil resistance and flexibility, including valve covers, oil pans, and transmission pans. It adheres well to metal and many modern composite materials used in today’s engines.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSuggested uses: valve covers, oil pans, intake manifold end seals, timing covers, transmission pans.\u003c\/li\u003e\n  \u003cli\u003eBonds to aluminum, bi-metal alloys, and many high-tech plastics.\u003c\/li\u003e\n  \u003cli\u003eSuitable for both production-level repairs and professional service bays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow quickly does it cure and how is it applied?\u003c\/h3\u003e\n\n\u003cp\u003eUltra Black is a fast-curing RTV that develops handling strength quickly while completing a full cure that delivers durable sealing properties. Application is straightforward from a 9.5 oz. PowerBead can — lay a continuous bead, allow skin-over, and reassemble according to part-specific cure times.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePowerBead can dispenses a consistent bead for clean application.\u003c\/li\u003e\n  \u003cli\u003eFast skin-over time reduces downtime for many service tasks.\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer cure times and part-specific recommendations for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Permatex Ultra Black Maximum Oil Resistance RTV is aimed at professional technicians, dealership service departments, and experienced DIYers who need a reliable, sensor-safe gasket sealant for oil-exposed engine and drivetrain components. If you work with modern engine materials, require OEM-level performance, or need to meet warranty standards, this 6-pack of 9.5 oz. PowerBead cans provides a ready supply for frequent service tasks.\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 this on aluminum valve covers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It bonds well to aluminum and is formulated for oil-exposed valve covers when applied per instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the product safe near engine sensors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Ultra Black formula is sensor-safe and non-corrosive, minimizing risk to sensitive components.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Permatex","offers":[{"title":"Default Title","offer_id":48081465409694,"sku":"B001REZCWY","price":141.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/permatex-ultra-black-front-can.jpg?v=1785805860","url":"https:\/\/northtrailauto.ca\/products\/permatex-ultra-black-rtv-silicone-gasket-maker-9-5-oz-powerbead-can-6-pack-oil-resistant-sensor-safe","provider":"North Trail Auto","version":"1.0","type":"link"}