{"product_id":"k-flex-usa-6rsx3x4100-insulation-sheet1-in-thick-36-in-w-x-4-ft-l-4-r-value-buna-n-rubber","title":"K-Flex Usa 6RSX3X4100 - Insulation Sheet1 in Thick, 36 in W x 4 ft L, 4 R-Value, Buna-N Rubber\/PVC, Black","description":"\u003cp\u003eInsulation Sheet, Insulation Material Buna-N Rubber\/PVC, Insulation Color Black, Overall Length 4 ft, Overall Width 36 in, Thickness 1 in, Minimum Operating Temperature -40 Degrees F, Backing Type Plain, Maximum Operating Temperature 220 Degrees F, Facing Material Unfaced, R Value 4, Form Sheet, Flame Spread Index 25, Smoke Developed Index 50, Foam Cell Type Closed, Plenum Rating Plenum Rated, Flexibility Flexible\u003c\/p\u003e","brand":"K-FLEX USA","offers":[{"title":"Default Title","offer_id":43322455654494,"sku":"6RSX3X4100","price":43.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z01vpyfo5oy_8ad55586-fed8-4c48-b3ee-994b500ccb3f.jpg?v=1789326534","url":"https:\/\/nationalboilersupply.com\/products\/k-flex-usa-6rsx3x4100-insulation-sheet1-in-thick-36-in-w-x-4-ft-l-4-r-value-buna-n-rubber","provider":"National Boiler Supply","version":"1.0","type":"link"}