{"product_id":"kisrel-resin-casting-powder-5000g-fast-cure-plaster-20-30-min-demold-smooth-paintable-finish","title":"KISREL Resin Casting Powder 5000g – Fast-Cure Plaster, 20–30 min Demold, Smooth Paintable Finish","description":"\u003cp\u003e\u003cstrong\u003eKISREL Resin Casting Powder 5000g is a fast-curing gypsum plaster designed for smooth, paintable casts from silicone moulds with a 20–30 minute demold window and full cure in about 2 hours.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you make coasters, figurines, planters, or decorative details, this upgraded 5 kg package delivers a fine, odourless powder that mixes with water to form a creamy, low-bubble casting medium. It dries opaque white for easy colouring, accepts pigments or paints, and stands up to everyday decorative uses once sealed. The powder is formulated for simple measuring, fast turnaround, and clean surface results that reduce finishing work.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I mix KISREL Resin Casting Powder for reliable results?\u003c\/h3\u003e\n\u003cp\u003eMixing is straightforward when you follow the recommended weight ratio and technique. Use a scale for consistent outcomes: 3 parts powder to 1 part water by weight,—adjust slightly for thicker or thinner pours. Stir only until evenly combined to reduce trapped air, then pour promptly into your silicone mould.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a digital scale for accuracy: 3:1 powder to water by weight.\u003c\/li\u003e\n  \u003cli\u003eMix vigorously for about 2 minutes to achieve a smooth, lump-free slurry.\u003c\/li\u003e\n  \u003cli\u003eTap or gently vibrate the mould to help bubbles escape before the surface skins over.\u003c\/li\u003e\n  \u003cli\u003eAdd pigments, mica, or inclusions during mixing for integrated colour and effects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is the working time and when can I demold a piece?\u003c\/h3\u003e\n\u003cp\u003eThe product sets quickly: you’ll usually see a firm surface in about 20–30 minutes and reach a practical demold stage within that window. Full mechanical strength develops in roughly 2 hours, after which pieces can be handled and finished more aggressively. Times vary slightly with room temperature and batch size.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDemolding: typically 25–30 minutes under normal room conditions.\u003c\/li\u003e\n  \u003cli\u003eFull cure: approximately 2 hours for handling and light finishing.\u003c\/li\u003e\n  \u003cli\u003eWarmer environments shorten setting time; colder conditions extend it.\u003c\/li\u003e\n  \u003cli\u003eLarge or deep casts will require longer cure times—plan accordingly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I colour, paint, or seal casts made with this plaster?\u003c\/h3\u003e\n\u003cp\u003eYes. The plaster dries to an opaque white base that accepts pigments mixed in before pouring or water-based acrylics after curing. For durable surfaces and moisture resistance, finish with varnish, acrylic sealer, or wax. Surface preparation such as light sanding helps paints and sealers adhere evenly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMix-in colorants: pigments, mica, glitter, or metallic leaf during mixing.\u003c\/li\u003e\n  \u003cli\u003ePost-painting: water-based acrylics deliver bright, durable colour.\u003c\/li\u003e\n  \u003cli\u003eSealing options: varnish, acrylic sealer, or finishing wax for protection.\u003c\/li\u003e\n  \u003cli\u003eSanding: lightly sand cured pieces to smooth imperfections before painting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this ideal for? KISREL Resin Casting Powder 5000g suits hobbyists, small-batch makers, prop builders, teachers, and crafters who need a reliable, fast-setting plaster for silicone moulds and decorative projects. Its large 5 kg package is cost-effective for frequent use or multiple projects, while the neutral white finish and good dimensional stability make it a practical choice for both beginners and experienced makers. Keep moulds clean and follow recommended ratios and cure times for the best surface quality and long-lasting decorative results.\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: What ratio of powder to water should I use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use a 3:1 powder-to-water ratio by weight for optimal consistency and curing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long until I can demold my cast?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can usually demold after 25–30 minutes; full handling strength occurs around 2 hours.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KISREL","offers":[{"title":"Default Title","offer_id":55301881823569,"sku":"B0FXG8Y199","price":95.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/kisrel-front-packaging_4907b79f-8675-427c-b467-467d2edb0474.jpg?v=1791980601","url":"https:\/\/craftiche.co.uk\/products\/kisrel-resin-casting-powder-5000g-fast-cure-plaster-20-30-min-demold-smooth-paintable-finish","provider":"Craftiche","version":"1.0","type":"link"}