{"product_id":"prosoco-hct-hydroxylating-conversion-treatment-for-marble-limestone-5-gallon","title":"PROSOCO HCT – Hydroxylating Conversion Treatment for Marble \u0026 Limestone (5 Gallon)","description":"\u003cp\u003e\u003cstrong\u003eSTONE STRENGTHENER \u0026amp; ACID-RESISTANT TREATMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"260\" data-end=\"461\"\u003ePROSOCO HCT (Hydroxylating Conversion Treatment) is a two-component, waterborne system designed to strengthen and protect carbonate stone surfaces such as marble, limestone, dolomite, and travertine.\u003c\/p\u003e\n\u003cp data-start=\"463\" data-end=\"731\"\u003eThis advanced treatment forms a stable conversion layer within the stone, significantly improving resistance to acid rain, air pollution, and environmental weathering. It enhances durability while preserving the natural appearance and breathability of the substrate.\u003c\/p\u003e\n\u003cp data-start=\"733\" data-end=\"870\"\u003eIdeal for restoration and preservation projects, HCT helps extend the life of vulnerable stone surfaces without forming a surface film.\u003c\/p\u003e\n\u003cp data-start=\"877\" data-end=\"906\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"881\" data-end=\"904\"\u003eFEATURES \/ BENEFITS\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"907\" data-end=\"1264\"\u003eStrengthens and protects carbonate stone surfaces\u003cbr data-start=\"956\" data-end=\"959\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"907\" data-end=\"1264\"\u003eIncreases resistance to acid rain and environmental damage\u003cbr data-start=\"1017\" data-end=\"1020\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"907\" data-end=\"1264\"\u003eReduces surface deterioration and dissolution\u003cbr data-start=\"1065\" data-end=\"1068\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"907\" data-end=\"1264\"\u003eForms no surface film—maintains natural appearance\u003cbr data-start=\"1118\" data-end=\"1121\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"907\" data-end=\"1264\"\u003eUV-stable with no yellowing or gloss\u003cbr data-start=\"1157\" data-end=\"1160\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"907\" data-end=\"1264\"\u003eMaintains vapor permeability—stone can breathe\u003cbr data-start=\"1206\" data-end=\"1209\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"907\" data-end=\"1264\"\u003eEnhances long-term durability of marble and limestone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1271\" data-end=\"1295\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1275\" data-end=\"1293\"\u003eTECHNICAL DATA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1296\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1296\" data-end=\"1305\"\u003eForm:\u003c\/strong\u003e Clear, colorless liquid; slight odor\u003cbr data-start=\"1342\" data-end=\"1345\"\u003e\u003cstrong data-start=\"1345\" data-end=\"1361\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1345\" data-end=\"1361\"\u003eVOC Content:\u003c\/strong\u003e Not applicable\u003cbr data-start=\"1376\" data-end=\"1379\"\u003e\u003cstrong data-start=\"1379\" data-end=\"1386\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1379\" data-end=\"1386\"\u003epH:\u003c\/strong\u003e 4.0 (± 0.2)\u003cbr data-start=\"1398\" data-end=\"1401\"\u003e\u003cstrong data-start=\"1401\" data-end=\"1419\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1401\" data-end=\"1419\"\u003eCoverage Rate:\u003c\/strong\u003e 50–80 sq. ft. per gallon\u003cbr data-start=\"1444\" data-end=\"1447\"\u003e\u003cstrong data-start=\"1447\" data-end=\"1462\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1447\" data-end=\"1462\"\u003eShelf Life:\u003c\/strong\u003e 1 year (unopened)\u003cbr data-start=\"1480\" data-end=\"1483\"\u003e\u003cstrong data-start=\"1483\" data-end=\"1500\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1483\" data-end=\"1500\"\u003eFreeze Point:\u003c\/strong\u003e 32°F (0°C)\u003cbr data-start=\"1511\" data-end=\"1514\"\u003e\u003cstrong data-start=\"1514\" data-end=\"1530\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1514\" data-end=\"1530\"\u003eFlash Point:\u003c\/strong\u003e Not applicable\u003cbr data-start=\"1545\" data-end=\"1548\"\u003e\u003cstrong data-start=\"1548\" data-end=\"1570\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1296\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1548\" data-end=\"1570\"\u003eWeight per Gallon:\u003c\/strong\u003e 8.39 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1588\" data-end=\"1613\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1592\" data-end=\"1611\"\u003eAVAILABLE SIZES\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1614\" data-end=\"1624\"\u003e5 Gallon\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRESOURCES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/prosoco.com\/Content\/Documents\/Product\/CV_HCT_PDS.pdf\" rel=\"noopener\" title=\"Product Data Sheet\" target=\"_blank\"\u003eProduct Data Sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/prosoco.com\/Content\/Documents\/Product\/CV_HCT_SDS.pdf\" rel=\"noopener\" title=\"Safety Data Sheet\" target=\"_blank\"\u003e\u003cspan\u003eSafety Data Sheet\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/prosoco.com\/Content\/Documents\/Product\/SPANISH_CV_HCT_SDS.pdf\" rel=\"noopener\" title=\"Safety Data Sheet (Spanish)\" target=\"_blank\"\u003e\u003cspan\u003eSafety Data Sheet (Spanish)\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/prosoco.com\/Content\/Documents\/Product\/FRENCH_CV_HCT_SDS.pdf\" rel=\"noopener\" title=\"SDS Canadian French\" target=\"_blank\"\u003e\u003cspan\u003eSDS Canadian French\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Prosoco","offers":[{"title":"Default Title","offer_id":51754532536640,"sku":"42040-05GAL","price":691.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/4251\/1687\/files\/HCT-5-Gal.png?v=1775696981","url":"https:\/\/www.masonrydirect.com\/products\/prosoco-hct-hydroxylating-conversion-treatment-for-marble-limestone-5-gallon","provider":"MasonryDirect.com","version":"1.0","type":"link"}