{"product_id":"poly-optic-14-part-r-retarder","title":"Poly-Optic® 14 Part R Retarder","description":"\u003cp\u003ePoly-Optic\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e14-Series Part R Retarder slows the cure of Poly-Optic\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eproducts. For every part of Part R added, an equal part of Part A must be added to the mix. Experiment to determine how much is needed for your application. Do not exceed 4% of the total mixed weight as the product may not cure properly. Example: Add 1% Part R to Poly-Optic\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e1411 to double the working time from 9 to 18 minutes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eSlowing the cure also reduces exothermic heating. Exothermic heating causes distortion, waviness and shrinkage especially in castings \u0026gt; 0.5\" thick. For additional information, read the Poly-Optic\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003e14-Series Technical Bulletin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFOR INDUSTRIAL\/PROFESSIONAL USE ONLY. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"flex flex-top bg-grey custom-fields\"\u003e\n\u003cdiv class=\"flex-75 more-info container\" style=\"padding-left: 0; padding-right: 0;\"\u003e\n\u003ch4\u003eMore Information\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003ca class=\"tds\" href=\"https:\/\/polytek.com\/content\/pdf\/technicalbulletin\/Polytek_TB_PolyOptic_14-Series_5-5-2021.pdf\" target=\"_blank\"\u003eTechnical Bulletin\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"sds\" href=\"https:\/\/polytek.com\/content\/pdf\/SDS\/Polytek_SDS_PolyOptic-14-R_05-07-2015.pdf\" target=\"_blank\"\u003eSafety Data Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Polytek","offers":[{"title":"Default","offer_id":48014975795515,"sku":"14R1","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/7539\/6411\/files\/14partr.jpg?v=1742052451","url":"https:\/\/maacaffestore.com\/products\/poly-optic-14-part-r-retarder","provider":"The Compleat Sculptor, Inc","version":"1.0","type":"link"}