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Thetawet™ FS-8235 is a low-foaming anionic fluorosurfactant designed to enhance wetting, leveling, and block resistance in coatings, adhesives, lacquers, polishes, and more.
Thetawet™ FS-8235 is a fluorosurfactant emulsion of 34% to 36% actives designed to deliver superior surface tension reduction to water-based and solvent-based systems. By reducing the surface tension, this low-foaming, anionic surfactant enhances wetting, leveling, and flow properties of systems to improve coverage and minimize surface defects, such as cratering, pin holing, and poor thin film control. Its fluorinated structure also imparts improved block resistance properties and reduces film tackiness to allow formulators to reduce additive levels of hydrophobic additives and open time extenders, for more efficient and cost-effective production. Thetawet™ FS-8235 is recommended for use at a level of 0.04% to 0.2% in water-based systems and a level of 0.2 to 0.6% in solventless or solvent-based systems and can be used for application to difficult-to-wet surfaces, including plastics, glass, metals, oily substrates, waxy surfaces, and fluoropolymer treated fabrics.
Appearance: Clear liquid, colorless to light yellow
Solids, %: 34 to 36
Ionic character: Anionic
Water solubility: Dispersible
pH: 7.0 to 9.0
Density @ 25°C: 1.12 g/ml
Boiling point: Approx. 100°C
Flash point: 13°C (55°F)
Short-chain fluorosurfactant
34% to 36% active solids
Anionic
Excellent wetting and leveling properties
Reduces foaming tendency
Improves gloss development
Helps eliminate surface defects
Readily dilutes in water, alcohol, or glycol mixtures
VOC-free
Wetting difficult to wet substrates
Adds Block resistance
Effective at low end-use concentrations
Provides resistance to soil, UV, and weathering
Low wetting of formulations on low–surface energy substrates
High blocking in coatings
Surface defects
High cost of formulation due to necessity of antiblocking additives
Poor gloss development on surfaces
Damage to surfaces from soiling and weathering
Floor finishes and sealers
Adhesives
Caulks and sealants
High solids coatings
Automotive finishes and topcoats
Lacquers and polishes
Industrial and architectural paints and coatings
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