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Capstone™ ST-300
Capstone™ ST-300 is used as a water-based active ingredient in penetrating sealer for acid-sensitive mineral based surfaces. It provides outstanding oil and water repellency and excellent stain resistance.
Capstone™ ST-300 is a water-based, anionic fluorochemical dispersion that serves as the active ingredient in VOC free penetrating sealer for stone, unglazed tile, grout, concrete, and brick. Capstone™ ST-300 has a slightly alkaline pH and provides a durable, non-film forming, protective barrier to oil and water of acid sensitive surfaces. When compared to silicone based sealers Capstone™ ST-300 provides superior oil repellency and stain resistance.
Capstone™ ST-300 should be diluted to 1.5-2.5% actives and applied using a brush, roller, or mop. It should never be spray applied. The surface being treated should be thoroughly wetted and allowed to dry for 15-30 min. Excess liquid should then be removed.
Capstone™ ST-300 is only approved 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 Stability: Stable at normal temperatures. Perishable if frozen. Viscosity may increase with time or cold storage pH: 7.5–9 Active Solids, %: 14 Density, g/mL: 1.1 Flash Point (Closed Cup), °C (°F) Not flammable Boiling Point, °C (°F) ~100 (~212) Freezing Point, °C (°F) ~0 (~32) Shelf Life: 2 years Spray: Do not spray
Primary Chemistry: Fluorochemical Dispersion
Features & Benefits
Durable protection from staining Superior oil and water repellency Retains the natural appearance of stone, tile, concrete or masonry Allows substrate to breathe (non-film forming) Easy to clean and maintain Preserves the beauty of natural stone and tile Is in compliance with REACH requirements Is listed on TSCA inventory
Problems Solved
Staining of mineral based surfaces such as counter tops by food, beverage, and condiments. Acid sensitivity of stone and tile materials used in building and construction applications.
Applications
Capstone™ ST-300 is a repellent used in water-based penetrating sealers for stone, unglazed tile, grout, terra cotta, concrete, and brick.
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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