{"product_id":"menzerna-heavy-cut-400-abrasive-one-step-polish-250-ml-strong-cutting-power-high-gloss-finish","title":"menzerna Heavy Cut 400 abrasive one-step polish 250 ml — strong cutting power, high-gloss finish","description":"\u003cp\u003e\u003cstrong\u003emenzerna Heavy Cut 400 is a professional-grade, one-step abrasive polish that removes moderate scratches and swirl marks while delivering high-gloss finish in a single pass.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for body-shop technicians and detailers who want fast correction without sacrificing appearance, this formula blends aggressive cutting power with notable gloss. It was previously sold as Fast Gloss 400 and now comes in a compact 250 ml (8 oz) bottle ideal for spot repair or full-panel correction. The emulsion works on both rotary and orbital polishers when paired with the appropriate pad and technique.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly does this polish remove scratches and defects?\u003c\/h3\u003e\n\u003cp\u003eHeavy Cut 400 is formulated for medium-to-heavy defect removal and can substantially reduce light scratches, sanding marks, and heavy swirl patterns in fewer passes than milder polishes. Results depend on paint hardness, pad selection and machine speed, but many users report visible correction after the first pass.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAggressiveness: cut rated 8\/10 for strong material removal\u003c\/li\u003e\n  \u003cli\u003eRecommended rpm (rotary): start 800–1,500 rpm, finish 1,800–2,000 rpm\u003c\/li\u003e\n  \u003cli\u003eOrbital use: use lower-to-upper speed range with steady pressure\u003c\/li\u003e\n  \u003cli\u003ePair with a slightly softer finishing polish to refine gloss if needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich tools, speeds and pads work best with this product?\u003c\/h3\u003e\n\u003cp\u003eThis compound is compatible with both rotary and dual-action machines; adapt speed to the stage of correction. Begin at moderate speeds to distribute product, then increase to break down the abrasive; finish at a higher speed to boost gloss and remove haze. Use a firm cutting pad for heavy defects, and switch to a softer or microfiber pad to refine edges.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRotary: 800–1,500 rpm to start, 1,800–2,000 rpm to finish\u003c\/li\u003e\n  \u003cli\u003eOrbital: operate through the lower to upper rotational speed bands\u003c\/li\u003e\n  \u003cli\u003ePad types: firm-cut pads, then softer finishing pads for gloss\u003c\/li\u003e\n  \u003cli\u003eTechnique: overlap passes and use moderate, even pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kind of finish and longevity can I expect?\u003c\/h3\u003e\n\u003cp\u003eAlthough formulated to correct aggressively, Heavy Cut 400 also delivers a strong reflective finish—rated 8\/10 for gloss—so panels do not need extensive reworking to look showroom-ready. The initial result is a high-sheen surface; long-term protection requires adding a sealant or wax after polishing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGloss level: high, rated 8\/10 for mirror-like shine\u003c\/li\u003e\n  \u003cli\u003eCorrection-to-gloss balance: designed for one-step efficiency\u003c\/li\u003e\n  \u003cli\u003ePost-polish protection: apply sealant or ceramic coating for durability\u003c\/li\u003e\n  \u003cli\u003eSuitable over factory clear coats and refinishes with care\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use it safely to avoid damage?\u003c\/h3\u003e\n\u003cp\u003eUse correct pad, machine settings, and light-to-moderate pressure to prevent excessive clear coat removal. Work in small sections, keep the pad clean, and always test on an inconspicuous area to confirm compatibility with the paint. Wipe residue with a clean microfiber cloth and inspect under good lighting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatch test an inconspicuous area first\u003c\/li\u003e\n  \u003cli\u003eKeep pad speed and pressure appropriate to panel and paint hardness\u003c\/li\u003e\n  \u003cli\u003eClean or rotate pads frequently to avoid glazing\u003c\/li\u003e\n  \u003cli\u003eFollow with protection (sealant\/wax) to lock in results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: menzerna Heavy Cut 400 is aimed at professional detailers, body-shop technicians and experienced enthusiasts who need a fast, effective polish for medium-to-heavy defects while preserving a high level of gloss. If you want aggressive correction with one-step efficiency for spot repairs or full panels—and you have the right machine and pads—this 250 ml bottle gives concentrated performance in a compact package.\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 Heavy Cut 400 on ceramic coated paint?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It can be used cautiously on cured ceramic coatings, but test first. Aggressive cutting may abrade the coating—prefer spot testing and reapply protection afterward.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need a specific pad for this polish?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use a firm-cut pad for heavy defects then switch to a softer pad for refining. Pad choice affects cut rate and final gloss significantly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"menzerna","offers":[{"title":"Default Title","offer_id":48083997556894,"sku":"B07FN5RYB3","price":99.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/menzerna-bottle-front-250ml.jpg?v=1785842753","url":"https:\/\/northtrailauto.ca\/products\/menzerna-heavy-cut-400-abrasive-one-step-polish-250-ml-strong-cutting-power-high-gloss-finish","provider":"North Trail Auto","version":"1.0","type":"link"}