{"product_id":"johns-manville-684703-1-1-2-in-x-12-in-x-12-in-calcium-silicate-high-temperature","title":"Johns Manville 684703 - 1 1\/2 in x 12 in x 12 in Calcium Silicate High Temperature Insulation","description":"\u003cp\u003eHigh Temperature Insulation, Density 40 lb\/cu ft, Facing Material Unfaced, Flexibility Not Applicable, Foam Cell Type Closed, Form Board, Insulation Color White, Insulation Material Calcium Silicate, Maximum Operating Temperature 1,700 Degrees F, Minimum Operating Temperature 0 Degrees F, Overall Length 12 in, Width 12 in, R Value 1.54, Thickness 1 1\/2 in, Standards ASTM C656, C795, E119, E136, E72, E84, NFPA251, UL 1479, UL 1709, UL 263, Water Vapor Absorption Minimal\u003c\/p\u003e","brand":"JOHNS MANVILLE","offers":[{"title":"Default Title","offer_id":43253636661342,"sku":"684703","price":67.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z_xC0xkcpEx_d4552980-54c9-4939-b441-a9523149f9c8.jpg?v=1788382113","url":"https:\/\/nationalboilersupply.com\/products\/johns-manville-684703-1-1-2-in-x-12-in-x-12-in-calcium-silicate-high-temperature","provider":"National Boiler Supply","version":"1.0","type":"link"}