{"product_id":"599960-durcisseur-optima-hardener-non-sanding-sikkens-1l","title":"599960 - Optima hardener non sanding SIKKENS 1L","description":"\u003cp\u003e\n  The hardener \u003cstrong\u003eAutosurfacer Optima Hardener Non Sanding\u003c\/strong\u003e from Sikkens is a high-performance 2K catalyst intended for the \"non-sanding\" version of the Autosurfacer Optima primer. It enables a rapid process, offering a single application followed by direct coverage, while maintaining a smooth film ready for painting in optimized timeframes.\n\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Characteristics\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Autosurfacer Optima Hardener Non Sanding\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e 2K Hardener (polyisocyanate) for NS primer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Exclusively with Autosurfacer Optima Non Sanding\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMixing Ratio (vol.):\u003c\/strong\u003e 3 Optima : 1 Hardener NS : 2 Reducer NS (Medium or Slow)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCovering Time:\u003c\/strong\u003e ≈ 15 min at 20°C, up to 24 h at 20°C without sanding\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePot-life:\u003c\/strong\u003e ≈ 35-45 min at 20°C (Reducer Medium), ≈ 60 min at 30°C (Reducer Slow)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 1 coat by spraying\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNozzle\/Pressure:\u003c\/strong\u003e 1.2-1.4 mm · 1.7-2.0 bar · HVLP 0.6-0.7 bar (8-10 psi)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e 12 months at ~20°C, closed packaging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish Compatibility:\u003c\/strong\u003e Sikkens Autowave Clears\/Lacquers, Autowave 2.0, Autobase Plus, Autocryl Plus, Autocryl Plus LV\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAdvantages\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimplified Non Sanding Process:\u003c\/strong\u003e elimination of the sanding step before finishing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduced Timeframes:\u003c\/strong\u003e covering window from 15 min to 24 h\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Flow:\u003c\/strong\u003e uniform primer surface facilitating base\/clears\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Productivity:\u003c\/strong\u003e short cycles and consistent results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eQuick repairs or complete elements with Autosurfacer Optima Non Sanding\u003c\/li\u003e\n  \u003cli\u003eSubstrates: steel, aluminum, OEM e-coat, old paints, polyester fillers\u003c\/li\u003e\n  \u003cli\u003ePaintable plastics via suitable adhesion promoter (see Sikkens technical sheet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUsage Tips \/ Implementation\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Degrease, final sanding P500 (P600 recommended for dark shades)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMixing:\u003c\/strong\u003e Follow the ratio 3:1:2; add the Hardener first, mix, then incorporate the Reducer and homogenize\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Apply a full coat; cover within 15 min at 20°C or up to 24 h\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtective Equipment:\u003c\/strong\u003e gloves, goggles, air-fed respirator recommended\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Constant temperature (~20°C), closed container, protected from moisture and extreme variations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEquipment Cleaning:\u003c\/strong\u003e Sikkens solvents or compatible Guncleaner\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n  This hardener is designed to ensure reliable primer applications from the Autosurfacer Optima Non Sanding range, providing a homogeneous flow, rapid coverage, and high efficiency for professional workshops.\n\u003c\/p\u003e","brand":"SIKKENS","offers":[{"title":"1 liter","offer_id":51954044174679,"sku":"599960","price":69.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/0441\/0967\/files\/32712e6c453e29ac72dc3ecf9a6e.png?v=1761200803","url":"https:\/\/color-box.eu\/en-int\/products\/599960-durcisseur-optima-hardener-non-sanding-sikkens-1l","provider":"ColorBox","version":"1.0","type":"link"}