{"product_id":"permatex-81878-ultra-copper-rtv-gasket-maker-2-pack-high-temp-silicone-sealant","title":"Permatex 81878 Ultra Copper RTV Gasket Maker (2 Pack) – High-Temp Silicone Sealant","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet a dependable gasket solution built for automotive and equipment work: Permatex 81878 Ultra Copper RTV Silicone Gasket Maker in a convenient 2-pack. Each tube contains 3 ounces of copper-colored sealant designed to form a durable, flexible gasket when applied between metal surfaces. This high-temp silicone compound is crafted to seal joints where oil, coolant, and air may meet, offering a robust, user-friendly option for both hobbyists and professionals.\u003c\/p\u003e\n\n\u003ch3\u003eValue and convenience\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo tubes in the box provide value and ready-to-use coverage for multiple tasks\u003c\/li\u003e\n  \u003cli\u003eCopper color aids visual inspection during bead application and seating checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-temperature tolerance suitable for engine bays and heat-prone joints\u003c\/li\u003e\n  \u003cli\u003eCopper-infused formulation for easy visibility and accurate gasket alignment\u003c\/li\u003e\n  \u003cli\u003eRemains flexible after cure, helping to maintain a reliable seal over time\u003c\/li\u003e\n  \u003cli\u003eDesigned to resist common automotive fluids, contributing to long-term performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePractical uses and real-life scenarios\u003c\/h3\u003e\n\u003cp\u003eUse Permatex Ultra Copper RTV in applications such as valve covers, oil pans, thermostat housings, water pumps, and other gasket interfaces. The sealant can fill gaps and uneven surfaces, reducing the potential for leaks while you assemble or reassemble components. Its quick setup lets you move from assembly to testing with confidence, and the copper hue helps you monitor bead width and coverage in tight spaces.\u003c\/p\u003e\n\n\u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cp\u003ePrepare surfaces by cleaning and lightly roughening metal where the gasket will seat. Apply a continuous bead, align correctly, and allow the recommended cure time before pressurizing or testing the system. Store the tubes in a cool, dry place when not in use to preserve consistency and performance.\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: What is Permatex Ultra Copper RTV Gasket Maker used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It's a high-temperature silicone sealant designed to form gaskets on automotive engines and equipment, delivering a flexible, durable seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include multiple tubes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the 2-pack provides two 3 oz tubes, offering value and ready-to-go coverage for several projects.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Permatex","offers":[{"title":"Default Title","offer_id":42466094252117,"sku":"B01LZ7WZAT","price":33.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/permatex-ultra-copper-rtv-gasket-maker-2pack.jpg?v=1778037150","url":"https:\/\/plentytorque.co.uk\/products\/permatex-81878-ultra-copper-rtv-gasket-maker-2-pack-high-temp-silicone-sealant","provider":"PlentyTorque","version":"1.0","type":"link"}