{"product_id":"golden-acrylic-medium-gac-800-32-oz-low-crazing-pouring-extender-glossy-flexible-finish","title":"GOLDEN Acrylic Medium GAC-800 946 ml — Low-Crazing Pouring Extender, Glossy Flexible Finish","description":"\u003cp\u003e\u003cstrong\u003eGOLDEN Acryl Medium GAC-800 is a 32 oz low-crazing extender that improves pour painting by promoting a smooth, flexible, glossy acrylic film with better adhesion to chalky surfaces.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eGAC-800 is a fluid acrylic polymer medium designed to extend and modify acrylic paints for pouring and thin application techniques. It reduces the tendency of poured surfaces to develop fine crevices (“crazing”) as they dry while maintaining workable flow and surface sheen. Formulated with minimal additives, this medium balances clarity and flexibility in finished films and helps paints stick to marginal or chalky substrates.\u003c\/p\u003e\n\n\u003ch3\u003eHow does GAC-800 reduce crazing in poured acrylics?\u003c\/h3\u003e\n\u003cp\u003eGAC-800 modifies the drying characteristics of acrylic paints so the film forms evenly and is less prone to developing hairline crevices. Its formulation encourages slower, more uniform film formation and retains flexibility as the medium cures.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse as an extender with colours to improve leveling during drying.\u003c\/li\u003e\n\u003cli\u003eHelps films remain smooth and cohesive on large poured areas.\u003c\/li\u003e\n\u003cli\u003eMinimizes surface tension changes that cause cracking or crazing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use it to improve adhesion on chalky or difficult surfaces?\u003c\/h3\u003e\n\u003cp\u003eYes—GAC-800 enhances paint adhesion to slightly chalky or porous surfaces by forming a more tenacious acrylic film. It’s not an absolute primer replacement for severely degraded substrates, but it helps where standard paint has trouble sticking.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApply to mildly powdery or previously painted surfaces to boost grip.\u003c\/li\u003e\n\u003cli\u003eWorks well under thin, portable paint applications and pours.\u003c\/li\u003e\n\u003cli\u003eFollow surface prep for best results: clean, dry, and remove loose powder.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will GAC-800 affect colour, gloss, and handling?\u003c\/h3\u003e\n\u003cp\u003eGAC-800 produces moderate clarity and preserves a good gloss while keeping the mixture fluid enough for pouring and thin brushing. It has minimal thickeners and defoamers, so it maintains workable flow and levels without overly clearing or dulling pigments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGives a smooth, even film with consistent gloss across poured sections.\u003c\/li\u003e\n\u003cli\u003eMaintains workable viscosity for cells, blooms, and flow effects.\u003c\/li\u003e\n\u003cli\u003eProduces a flexible, durable finish after full cure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use GAC-800 in pouring recipes?\u003c\/h3\u003e\n\u003cp\u003eStart by substituting a portion of your pouring medium with GAC-800 and test ratios to suit your paint brand and desired effects. Small sample pours will reveal how much GAC-800 improves leveling and reduces crazing for your technique.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMix gradually: add medium to paint until desired flow and transparency are reached.\u003c\/li\u003e\n\u003cli\u003eTest modest ratios first (for example, 10–30% medium) and adjust based on results.\u003c\/li\u003e\n\u003cli\u003eUse clean tools and avoid introducing excess air to maintain clarity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: GOLDEN GAC-800 is aimed at artists and makers who pour or apply thin acrylic layers and need better surface integrity and adhesion. It suits painters working on panels, canvases, and mildly chalky substrates who want fewer surface defects, good gloss, and a flexible finish. Ideal for experimentation—test with your paints to dial in the behavior you want before committing to large works.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFeatures:\n\u003cul\u003e\n\u003cli\u003eUseful for thin - portable paint applications\u003c\/li\u003e\n\u003cli\u003eIncreases adhesion of paints to chalky surfaces\u003c\/li\u003e\n\u003cli\u003eLow crazing extender for pouring acrylic colours\u003c\/li\u003e\n\u003cli\u003ePromotes drying with a smooth, even film, good gloss and flexibility\u003c\/li\u003e\n\u003cli\u003e32 oz bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\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: Is GAC-800 suitable for all acrylic paints?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: GAC-800 works with most acrylic artist paints, but test small mixes to check clarity and flow differences before large pours.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to seal surfaces after using GAC-800?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Sealing is recommended for longevity and protection; choose a compatible GOLDEN varnish once the film is fully cured.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GOLDEN","offers":[{"title":"Default Title","offer_id":55297260650833,"sku":"B005JJVIDU","price":68.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/golden-gac800-front-label.jpg?v=1791951465","url":"https:\/\/craftiche.co.uk\/products\/golden-acrylic-medium-gac-800-32-oz-low-crazing-pouring-extender-glossy-flexible-finish","provider":"Craftiche","version":"1.0","type":"link"}