{"product_id":"sem-42013-grey-high-build-acrylic-primer-16-oz-elastomeric-surfacer","title":"SEM 42013 Grey High Build Acrylic Primer – 16 oz | Elastomeric Surfacer","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eSEM 42013 Grey High Build Acrylic Primer is an elastomeric coating crafted to prime a range of automotive substrates. This high-build surfacer creates a uniform, flexible base that supports paint adhesion and smooth color laydown across metal, aluminum, urethane, and plastics. The formulation signals a newer addition to the SEM lineup, focusing on durability, fill, and surface readiness while preserving compatibility with common topcoats.\u003c\/p\u003e\n\n\u003ch2\u003eKey benefits for your project\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eElastomeric performance: The flexible film tolerates minor substrate movement, helping maintain a crack-free finish under variable conditions.\u003c\/li\u003e\n  \u003cli\u003eHigh-build fill: It smooths out minor imperfections, delivering a more even platform for subsequent coatings.\u003c\/li\u003e\n  \u003cli\u003eSubstrate versatility: Compatible with automotive metal, aluminum, urethane, and plastics, reducing the need for multiple primers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReal‑world workflow and use cases\u003c\/h2\u003e\n\u003cp\u003eIn shop workflows from automotive refinishing to component restoration, a high-build primer can streamline prep. The grey tone provides good coverage and helps reveal sanding highs and lows for better correction. The elastomeric film supports durability across temperature fluctuations and seasonal conditions, making it a practical choice for varied environments.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSubstrate breadth: Effective on steel, aluminum, urethane composites, and selected plastics, expanding its applicability.\u003c\/li\u003e\n  \u003cli\u003eSanding readiness: It sands to a consistent, paint-ready surface that supports even topcoat adhesion.\u003c\/li\u003e\n  \u003cli\u003eInventory efficiency: One primer can simplify workflows by covering multiple substrate types in a single step.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUsage guidelines and application tips\u003c\/h2\u003e\n\u003cp\u003eFor best results, mix well and apply with an appropriate spray or brush. Allow suitable flash times before topcoats, and ensure surfaces are clean, dry, and free of contamination. This product is designed to provide a durable, high-build base that aligns with common automotive finishing practices.\u003c\/p\u003e\n\n\u003cp\u003eNote: Actual results depend on surface preparation, film build, and topcoat compatibility. Testing on a small area or consulting your finish system guidelines can help tailor the approach to your project.\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 surfaces can SEM 42013 Grey High Build Acrylic Primer be used on?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for automotive metal, aluminum, urethane, and plastics, creating a durable base for paint.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this primer ready to paint after it dries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. When dry, it creates a smooth, high-build surface ready for topcoats; follow with compatible finishes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SEM","offers":[{"title":"Default Title","offer_id":42470364119125,"sku":"B000PKX16A","price":37.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/sem-grey-high-build-primer-16oz-bottle.jpg?v=1778132239","url":"https:\/\/plentytorque.co.uk\/products\/sem-42013-grey-high-build-acrylic-primer-16-oz-elastomeric-surfacer","provider":"PlentyTorque","version":"1.0","type":"link"}