{"product_id":"sem-39683-grey-self-etching-primer-15-5-oz-first-step-adhesion-for-bare-substrates","title":"SEM 39683 Grey Self Etching Primer - 15.5 oz | First-Step Adhesion for Bare Substrates","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eSEM 39683 Grey Self Etching Primer is a first-step coating designed to bond with bare substrates, creating a solid foundation for subsequent finishes. The self-etching chemistry integrates surface preparation and priming in one step, helping you streamline your workflow while promoting even adhesion across the prepared surface.\u003c\/p\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExcellent adhesion to bare substrates, supporting reliable topcoat bonding.\u003c\/li\u003e\n  \u003cli\u003eSelf-etching action combines surface preparation with priming, potentially reducing prep time.\u003c\/li\u003e\n  \u003cli\u003eManufactured in the United States, reflecting consistent quality controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUsing SEM 39683 as a base coat can help you establish a uniform foundation for your project, whether you’re tackling metalwork, restoration, or DIY tasks that require a dependable first layer. While results can vary by substrate and subsequent coatings, this primer is designed to provide a solid starting point without relying on additional aggressive surface treatments.\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePart Number: 39683\u003c\/li\u003e\n  \u003cli\u003eCountry Of Origin: United States\u003c\/li\u003e\n  \u003cli\u003ePackage Dimensions: 6.35 L X 6.35 W X 23.622 H cm\u003c\/li\u003e\n  \u003cli\u003ePackage Weight: 0.567 Kilograms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world usage scenarios\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse as a base coat in DIY projects that involve bare substrates needing reliable adhesion for subsequent paints or coatings.\u003c\/li\u003e\n  \u003cli\u003eIn professional workflows, apply this primer to establish a consistent foundation before applying topcoats or finishes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication notes\u003c\/h3\u003e\n\u003cp\u003eEnsure surfaces are clean and dry before application. Apply a thin, even coat in a well-ventilated area, following all label directions for drying and recoat times. Store the product securely and away from extreme temperatures.\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 SEM 39683 Grey Self Etching Primer used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It serves as a first-step coating that provides excellent adhesion to bare substrates, helping prepare surfaces for subsequent finishes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Where is SEM 39683 Grey Self Etching Primer made and how much is in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Made in the United States; ships in a 0.567 kg bottle (approximately 15.5 oz).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SEM","offers":[{"title":"Default Title","offer_id":42469582307413,"sku":"B000GTIRAU","price":41.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/sem-39683-grey-self-etching-primer-15-5-oz.jpg?v=1778097654","url":"https:\/\/plentytorque.co.uk\/products\/sem-39683-grey-self-etching-primer-15-5-oz-first-step-adhesion-for-bare-substrates","provider":"PlentyTorque","version":"1.0","type":"link"}