{"product_id":"amaco-cosmos-co-21-galactic-glacier","title":"Amaco Cosmos Glaze, color CO-21 Galactic Glacier","description":"\u003cp\u003e\u003cb\u003eAMACO CO-21 Galactic Glacier\u003c\/b\u003e from the \u003cb\u003eCosmos Glazes (CO)\u003c\/b\u003e series, a Crystalline\/Phase Glaze for mid to high-fire.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eCharacteristics and Color Variation\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eThis is a dark-toned glaze that is fluid\/runny and produces crystals.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCone 5:\u003c\/b\u003e Produces large crystals with blue and violet highlights on a dark surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCone 6:\u003c\/b\u003e The color changes to a bright gold surface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eApplication Techniques and Recommendations\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Recommended to apply \u003cb\u003e4 coats\u003c\/b\u003e on Cone 04 Bisqueware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVentilation within the piece:\u003c\/b\u003e For best results, it is recommended to leave the inside or back of the piece unglazed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFiring Schedule\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCan be fired with a normal medium-speed firing schedule without the need for a special cooling schedule.\u003c\/li\u003e\n\u003cli\u003eIf you want the crystals to grow beautifully and reach the next level, it is recommended to use a controlled cooling schedule to accelerate crystal growth.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eCaution Regarding Glaze Running:\u003c\/b\u003e This glaze has a high tendency to run, so it is recommended to \u003cb\u003eleave approximately 1\/2 inch unglazed from the foot\u003c\/b\u003e. You should also use a drip tray or place a soft firebrick under the kiln shelf to prevent glaze from dripping.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eFood Safety\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eAlthough considered food safe after firing according to standards, it is not recommended for direct food contact surfaces due to concerns about surface durability.\u003c\/p\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Amaco","offers":[{"title":"Default Title","offer_id":48257350500489,"sku":"CO-21","price":1230.0,"currency_code":"THB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0361\/6971\/1753\/files\/Screenshot2026-09-02171138.png?v=1788344036","url":"https:\/\/potteryclaythailand.com\/en\/products\/amaco-cosmos-co-21-galactic-glacier","provider":"Pottery Clay Thailand","version":"1.0","type":"link"}