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Capstone™ ST-200
Capstone™ ST-200 is a solvent-based fluorinated polymer that forms a protective barrier to oil and water on stone, tile, and porous mineral-based surfaces. It is commonly used as the active ingredient in penetrating sealers.
Chemours Capstone™ ST-200 is an acrylic fluoropolymer dispersion in n-butyl acetate. It is designed to be used in penetrating sealers as the active ingredient to provide oil and water repellence for low-porosity stone, unglazed tile, concrete, and masonry used in indoor environments. Capstone™ ST-200 delivers a durable, non-film-forming, protective barrier to oil and water that preserves the natural look and beauty of stone surfaces. Compared to common silicone-based sealers, Capstone™ ST-200 provides far superior resistance to oils and stains.
Capstone™ ST-200 should be diluted to 0.7%–1.7% actives in an appropriate solvent and applied using a brush, roller, mop, or spray applicators, such as pressurized aerosol sprayers. The surface being treated should be wet thoroughly with Capstone™ ST-200 and allowed to dry for 15 to 30 minutes at ambient temperature. The excess liquid should then be removed.
Capstone™ ST-200 is approved only for indoor use.
All samples and purchases of Capstone for new projects and applications must first be evaluated for approval by ChemPoint and Chemours.
Specifications
Appearance: Colorless to yellow liquid Freeze–thaw stability: Product gels below 0°C (32°F) Active solids (%): 35 Solvent (%): 65 Density (g/mL): 0.968 Flash point, closed cup, °C (°F): 28 (82) Boiling point, °C (°F): 120 (248) Shelf life: 2 years
Primary Chemistry: Acrylic Fluoropolymer
Features & Benefits
Durable protection from staining Freeze/thaw stable Provides superior oil and water repellency Preserves the natural appearance of stone, tile, concrete, and masonry Allows substrate to breathe and is not film forming Easy to clean and maintain Complies with REACH requirements Listed on TSCA inventory Can be applied using aerosol sprayers
Problems Solved
Damage to stone, tile, or mineral-based surfaces caused by exposure to moisture or oils Distortion of the original appearance of stone, tile, concrete, or masonry surfaces Staining of porous stone or tile surfaces
Capstone® fluorosurfactants & fluororepellents were some of the first short-chain alternatives commercialized so Chemours has lots of experience helping their customers reformulate.
Capstone™ fluorosurfactants and repellents were introduced as sustainable replacements that meet the goals of the U.S. EPA 2010/15 PFOA Stewardship Program. They are based on short-chain molecules that cannot break down to PFOA or PFOS in the environment.
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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