{"product_id":"bk-a15-platinum-cure-silicone-rubber-shore-a15","title":"BK-A15 Platinum-Cure Silicone Rubber – Shore A15","description":"\u003cdiv class=\"bk-a15-material-description\"\u003e\n  \u003cp\u003eBK-A15 is a two-component, platinum-cure liquid silicone rubber for flexible mold making. This material-only product is supplied as equal-weight Parts A and B.\u003c\/p\u003e\n  \u003ch2\u003eAvailable pack sizes\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1 kg kit:\u003c\/strong\u003e 0.5 kg Part A + 0.5 kg Part B\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e2 kg kit:\u003c\/strong\u003e 1 kg Part A + 1 kg Part B\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e8 kg kit:\u003c\/strong\u003e 4 kg Part A + 4 kg Part B\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch2\u003eMaterial overview\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eHardness: Shore A15\u003c\/li\u003e\n    \u003cli\u003eMix ratio: 1:1 by weight\u003c\/li\u003e\n    \u003cli\u003eCure system: platinum-catalysed addition cure\u003c\/li\u003e\n    \u003cli\u003eAppearance: translucent, viscous liquid\u003c\/li\u003e\n    \u003cli\u003eTypical working time at 23°C: 30 ± 5 minutes\u003c\/li\u003e\n    \u003cli\u003eTypical cure time at 23°C: 4 ± 1 hours\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eValues are typical data from the current BKSilicone TDS under the stated test conditions. Actual processing can vary with temperature, batch size, master material and workshop conditions. Run a small compatibility and cure test before production.\u003c\/p\u003e\n  \u003ch2\u003eTypical applications\u003c\/h2\u003e\n  \u003cp\u003eSuitable for general mold making, larger molds and projects that require a flexible Shore A15 silicone. Final suitability depends on the master material, geometry, release system and production conditions.\u003c\/p\u003e\n  \u003ch2\u003eCure inhibition\u003c\/h2\u003e\n  \u003cp\u003ePlatinum-cure silicone can be inhibited by sulphur-containing clay, latex, tin-cure silicone residue, amines, some epoxy curing agents and uncured or unsealed SLA, LCD or DLP resin prints. Keep tools and master surfaces clean and test before production.\u003c\/p\u003e\n  \u003ch2\u003eStorage and shelf life\u003c\/h2\u003e\n  \u003cp\u003eStore unopened original containers at 15–25°C. Recommended shelf life is 12 months from the date of manufacture.\u003c\/p\u003e\n  \u003ch2\u003eTechnical documents\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/www.bksilicone.com\/wp-content\/uploads\/2026\/04\/BKSilicone-BK-A-Series-TDS-V2.0.pdf\"\u003eBK-A Series Technical Data Sheet V2.0\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/www.bksilicone.com\/wp-content\/uploads\/2026\/04\/BK-A-Series-BK-A05-BK-A15-Platinum-Cure-Silicone-SDS-Version-1.0.pdf\"\u003eBK-A05\/BK-A15 Safety Data Sheet V1.0\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"BKSilicone","offers":[{"title":"1 kg Kit","offer_id":63954978374003,"sku":"BKA15-MAT-1KG","price":5.0,"currency_code":"GBP","in_stock":true},{"title":"2 kg Kit","offer_id":63954978406771,"sku":"BKA15-MAT-2KG","price":9.0,"currency_code":"GBP","in_stock":true},{"title":"8 kg Kit","offer_id":63954978439539,"sku":"BKA15-MAT-8KG","price":34.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/8757\/4643\/files\/1kg.webp?v=1786555545","url":"https:\/\/shop.bksilicone.com\/products\/bk-a15-platinum-cure-silicone-rubber-shore-a15","provider":"BKSilicone","version":"1.0","type":"link"}