{"product_id":"sem-plastic-prep-cleaner-spray-12-oz-plastic-leather-surface-prep-residue-free-evaporating","title":"SEM Plastic Prep cleaner spray 12 oz — plastic \u0026 leather surface prep, residue-free evaporating","description":"\u003cp\u003e\u003cstrong\u003eSEM 38353 Plastic Prep is a focused surface cleaner in a 12 oz spray that readies plastic and leather substrates for coating without softening, distorting, or leaving residue.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for professionals and serious DIYers in automotive, marine, and industrial refinish work, this SEM-formulated preparer removes oils, mold-release agents, road grime, and other contaminants that interfere with adhesion. It belongs to SEM’s range of preparatory products and is presented here in a convenient aerosol for quick, targeted use on trim, dashboards, consoles, bumpers, and leather accents.\u003c\/p\u003e\n\n\u003ch3\u003eHow does SEM 38353 prepare plastic and leather before painting?\u003c\/h3\u003e\n\u003cp\u003eThis product dissolves and lifts common surface contaminants while preserving the substrate’s shape and integrity. Unlike aggressive solvents, it cleans without softening or warping plastics and leather, which helps maintain proper fit and finish before primers or coatings are applied.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves oils, waxes, and release agents that block adhesion\u003c\/li\u003e\n  \u003cli\u003eEvaporates cleanly—no tacky residue to trap dust\u003c\/li\u003e\n  \u003cli\u003eFormulated to avoid substrate distortion or softening\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I choose the 12 oz aerosol over other sizes or formats?\u003c\/h3\u003e\n\u003cp\u003eThe 12 oz spray is ideal for spot work, touch-ups, and mobile repairs where portability matters. If you’re tackling small panels or intermittent jobs, the aerosol gives controllable coverage without needing larger bulk containers or transfer equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact for shop carts, gun cabinets, or field kits\u003c\/li\u003e\n  \u003cli\u003eGood for precision work on trim, clips, and seams\u003c\/li\u003e\n  \u003cli\u003eSingle-operator friendly—no measuring or mixing required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat surfaces and materials are compatible with this prep?\u003c\/h3\u003e\n\u003cp\u003eSEM 38353 is formulated for common automotive and marine plastics and leather finishes. It’s intended to clean surfaces prior to primers, paints, adhesives, or dye applications; always test in an inconspicuous area when working with specialty polymers or coated leather.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHard and soft plastics found in dashboards, bezels, and bumpers\u003c\/li\u003e\n  \u003cli\u003eTop-coated and finished leather surfaces used in interiors\u003c\/li\u003e\n  \u003cli\u003eNot recommended for untreated fabrics, delicate vinyls without testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I apply it for best results and safety?\u003c\/h3\u003e\n\u003cp\u003eShake the aerosol, spray from a recommended distance, then wipe or allow to flash off depending on surface condition. Use in a well-ventilated area, wear appropriate gloves and eye protection, and follow SEM label instructions for ventilation and disposal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShake can thoroughly before use and test-spray on cardboard\u003c\/li\u003e\n  \u003cli\u003eSpray evenly and wipe with a clean, lint-free towel for heavy contamination\u003c\/li\u003e\n  \u003cli\u003eAllow to evaporate fully before priming or painting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? SEM 38353 Plastic Prep in 12 oz aerosol is best for bodyshop technicians, automotive detailers, upholstery specialists, and hobbyists who need a dependable, no-residue cleaner for plastic and leather surfaces. It suits small- to medium-sized jobs where a portable, easy-to-use preparer improves coating adhesion and reduces rework. For large-volume production environments consider bulk sizes or alternate dispensing methods in the SEM line.\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: Will SEM 38353 damage plastic trim?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—it's formulated to clean without softening or distorting typical automotive plastics when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to wipe after spraying?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: For heavy grime, wipe with a clean lint-free cloth; for light contamination, allow the product to flash off before coating.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SEM","offers":[{"title":"Default Title","offer_id":48084764917918,"sku":"B00B3HXWFO","price":39.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sem-38353-front-can.jpg?v=1785862337","url":"https:\/\/northtrailauto.ca\/products\/sem-plastic-prep-cleaner-spray-12-oz-plastic-leather-surface-prep-residue-free-evaporating","provider":"North Trail Auto","version":"1.0","type":"link"}