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Sure Klean® Limestone Restorer is a concentrated <br />acidic cleaner for unpolished limestone, concrete <br />and cast stone surfaces. Safely removes atmospheric <br />dirt, mildew and many other surface stains without <br />risk of bleaching or discoloration. <br />Ideal for lightly to moderately soiled surfaces. <br />Limestone Restorer is safer and easier to use than <br />conventional acidic or abrasive cleaning systems. <br />Contains no hydrofluoric acid. Use in combination <br />with pressure water rinsing. <br />ADVANTAGES <br />• Easy-to-use, one step cleaner. <br />• Water rinsable. No substrate neutralization <br />required. <br />• When properly used, safer for surfaces than <br />conventional cleaning systems. <br />• Will not damage window glass. <br />Limitations <br />• Not for use on polished granite, limestone, marble <br />or travertine. <br />• May etch smooth, acid-sensitive surfaces. <br />• On fired clay brick and pavers that are prone <br />to metallic staining, Sure Klean® Restoration <br />Cleaner or Light Duty Restoration Cleaner may <br />be more suitable. <br />• Not for removal of heavy carbon staining. Use <br />Sure Klean® 766 Limestone & Masonry Prewash. <br />• May damage exposed low-E glass treatments; <br />acrylic and polycarbonate sheet glazing; and <br />glazing with surface-applied reflective, metallic <br />or other synthetic coatings and films. Modern <br />soft coat or hard coat low-E glass is not intended <br />to be on the external face of the glass and should <br />not be exposed to or adversely affected by proper <br />cleaning. Always test for adverse effects prior to <br />overall application. If testing is not feasible or <br />indicates adverse effects, such substrates must be <br />protected. <br />REGULATORY COMPLIANCE <br />VOC Compliance <br />Sure Klean® Limestone Restorer is compliant with <br />all national, state and district VOC regulations. <br />TYPICAL TECHNICAL DATA <br />FORM Clear, slight amber liquid <br />SPECIFIC GRAVITY 1.14 <br />pH 0.18 @ 1:6 dilution <br />WT/GAL 9.47 lbs <br />FREEZE POINT <–22° F (<–30° C) <br />SHELF LIFE 3 years in tightly sealed, unopened container <br />SAFETY INFORMATION <br />Always read full label and SDS for precautionary <br />instructions before use. Use appropriate safety <br />equipment and job site controls during application <br />and handling. <br />24-Hour Emergency Information: <br />INFOTRAC at 800-535-5053 <br />PREPARATION <br />Protect people, vehicles, property, plants, and all <br />non masonry and acid-sensitive surfaces from <br />cleaner, rinse, residue, fumes and wind drift. <br />Protect and/or divert auto and pedestrian traffic. <br />Finish cleaning before installing windows, doors, <br />hardware, light fixtures, roofing materials and <br />other non masonry items. If already installed, <br />protect before cleaning. Caulking and sealant <br />materials should be in place and thoroughly cured <br />before cleaning begins. <br />Surface and Air Temperatures <br />Best air and masonry surface temperatures for <br />cleaning are 40° F (4° C) or above. Cleaning when <br />temperatures are below freezing or will be overnight <br />CLEANING & PROTECTIVE TREATMENTS <br />Sure Klean® <br />Product Data Sheet • Page 1 of 3 • Item #20034 – 102623 • ©2023 PROSOCO, Inc. • prosoco.com <br />Limestone Restorer