{"product_id":"liquitex-professional-slow-dri-blending-medium-237ml-fluid-acrylic-extender-increases-open-time-transparency","title":"Liquitex Professional Slow-Dri Blending Medium 237ml — Fluid acrylic extender, increases open time \u0026 transparency","description":"\u003cp\u003e\u003cstrong\u003eLiquitex Professional Slow-Dri Blending Medium (237 ml) is a fluid acrylic medium formulated to extend drying time up to 40% while increasing flow, transparency, and film flexibility for cleaner blends.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis fluid medium from Liquitex is designed for artists who want more open working time with acrylics without compromising durability. It thins Heavy Body colours, brings them closer in consistency to Soft Body paints, and dries clear to maintain colour intensity. Unlike simple retarders, this medium can be mixed in any proportion with Liquitex Professional colours and other compatible mediums to build volume, enhance gloss, and improve adhesion on canvas, wood, paper, and other accepted surfaces.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Slow-Dri Blending Medium help when I need longer blending time?\u003c\/h3\u003e\n\u003cp\u003eSlow-Dri Blending Medium slows the evaporation and polymerization of acrylic films, giving you up to 40% more working time to blend gradients and soft transitions. Because it’s a medium rather than a retarder, it won’t weaken the final paint film.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMix freely with Heavy Body or Soft Body Professional colours.\u003c\/li\u003e\n  \u003cli\u003eIncreases open time for wet-on-wet techniques and glazing.\u003c\/li\u003e\n  \u003cli\u003eDries clear and transparent to preserve pigment vibrancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this change the paint’s finish, strength, or adhesion?\u003c\/h3\u003e\n\u003cp\u003eThe medium adds gloss and transparency while formulating a flexible, durable film that resists chipping and cracking. It contains acrylic resins to maintain adhesion across typical artist supports.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves adhesion to canvas, paper, wood and primed surfaces.\u003c\/li\u003e\n  \u003cli\u003eDries water-resistant and non-yellowing.\u003c\/li\u003e\n  \u003cli\u003eConforms to ASTM D4236 and is suitable for classrooms and studios.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I mix and apply Liquitex Slow-Dri Blending Medium?\u003c\/h3\u003e\n\u003cp\u003eBlend any amount into Liquitex Professional colours—more medium increases flow, transparency and drying time. For spray or airbrush application, dilute one part medium with one part water and apply from an atomizer for an even fixative or sheen.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with Heavy Body to thin and lengthen drying time; with Soft Body to extend volume and transparency.\u003c\/li\u003e\n  \u003cli\u003eApply on surfaces that accept acrylic media; build in layers once previous layers are dry to touch.\u003c\/li\u003e\n  \u003cli\u003eCan be combined with other Liquitex mediums for custom textures and finishes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical effects can I expect when painting with this medium?\u003c\/h3\u003e\n\u003cp\u003eExpect smoother blends, softer edges, and richer-looking glazes without cloudiness when dry. Because the medium dries transparent, underlying colours remain vivid and mixed passages retain visual depth.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces visible brushstrokes by promoting self-leveling.\u003c\/li\u003e\n  \u003cli\u003eEnhances colour depth and gloss for finished pieces.\u003c\/li\u003e\n  \u003cli\u003eMaintains flexibility so paintings handle framing and stretching without flaking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Liquitex Slow-Dri Blending Medium is aimed at acrylic painters—students, professionals, and instructors—who need extended open time for blending, glazing, or airbrush work while keeping archival performance. It’s useful for fine-detail blending, alla prima techniques with acrylics, and anyone mixing heavy and soft body colours to achieve smoother flow and longer working time.\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 mix any amount of Slow-Dri Medium into my acrylic paint?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Unlike retarders, you may add any proportion to Liquitex Professional colours without compromising paint film strength.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the medium yellow or crack over time?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It dries non-yellowing and forms a flexible, water-resistant film that resists cracking when used on appropriate supports.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Liquitex","offers":[{"title":"Default Title","offer_id":55254717727057,"sku":"B000KNPMG4","price":33.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/liquitex-slow-dri-front-label_937d31cd-2bc6-4069-a5b9-8a567d2c7714.jpg?v=1791684992","url":"https:\/\/craftiche.co.uk\/products\/liquitex-professional-slow-dri-blending-medium-237ml-fluid-acrylic-extender-increases-open-time-transparency","provider":"Craftiche","version":"1.0","type":"link"}