{"product_id":"564840-durcisseur-universel-standard-1l-pour-appret-540-2k","title":"564840 - Standard Universal Hardener 1L for 540 2K Primer","description":"\u003ch2\u003eCharacteristics\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReference: \u003cstrong\u003e564840\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrand: Lesonal\u003c\/li\u003e\n\u003cli\u003eType: Standard universal hardener 1 L\u003c\/li\u003e\n\u003cli\u003eRecommended use: with 2K Filler 540 primer (sandable)\u003c\/li\u003e\n\u003cli\u003ePackaging: 1L\u003c\/li\u003e\n\u003cli\u003eFunction: 2K hardening for bodywork – standard universal use up to approximately ~25 °C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdvantages for Body Shops\u003c\/h2\u003e\n\u003cp\u003eBy adopting this universal hardener, body shops benefit from greater flexibility: it allows for both partial repairs and complete bodywork jobs without multiplying references. The standard formulation ensures a good thermal margin (up to ~25 °C) while being suitable for many Lesonal systems. \u003c\/p\u003e\n\u003ch2\u003eUsage Tips\u003c\/h2\u003e\n\u003cp\u003eFor optimal results:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure to strictly follow the mixing ratios indicated by Lesonal in the technical sheet.\u003c\/li\u003e\n\u003cli\u003eApply the 2K Filler 540 primer, then add this hardener in the prescribed proportions before application.\u003c\/li\u003e\n\u003cli\u003eWork, if possible, within the recommended temperature range (~25 °C) to ensure optimal hardening.\u003c\/li\u003e\n\u003cli\u003eStore at a moderate temperature and protect the bottle from moisture and drafts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePre-Use Checklist\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Verify that reference 564840 corresponds to the primer system used\u003c\/li\u003e\n\u003cli\u003e✅ Check that the workshop temperature is compatible with the \"standard\" (≈ 25 °C) use\u003c\/li\u003e\n\u003cli\u003e✅ Thoroughly mix the primer and hardener according to the technical sheet\u003c\/li\u003e\n\u003cli\u003e✅ Clearly label the mixed product for quality tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ – Frequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this hardener be used for a 2K clear?\u003c\/strong\u003e\u003cbr\u003eNo. It is intended for application with 2K Filler 540 primers and equivalents in the Lesonal range, not with 2K clears. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference with the \"fast\" version (ref.564820)?\u003c\/strong\u003e\u003cbr\u003eThe fast version is designed for lower temperature conditions or accelerated drying, while the standard version 564840 is suitable for \"normal\" conditions (~25 °C). \u003c\/p\u003e\n\u003ch2\u003eConclusion\u003c\/h2\u003e\n\u003cp\u003eThe Lesonal standard universal hardener 564840 is a reliable and versatile solution for body shops looking to streamline their inventory while maintaining professional performance. By integrating it into your 2K primer process, you gain in efficiency and execution quality.\u003c\/p\u003e","brand":"LESONAL","offers":[{"title":"1 Liter","offer_id":52273001824599,"sku":"564840","price":41.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/0441\/0967\/files\/eb1efaee7fe290727cbc87bc614c.webp?v=1764773927","url":"https:\/\/color-box.eu\/en-int\/products\/564840-durcisseur-universel-standard-1l-pour-appret-540-2k","provider":"ColorBox","version":"1.0","type":"link"}