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Solvay Tolcide 4frac is a dedicated fracking biocide under TOLCIDE series, with THPS as active ingredient. Designed for microbial control in gel fluids and slickwater hydraulic fracturing, it offers excellent compatibility and high efficacy.
Fracking-specific formula – Fits gel fluids and slickwater fracturing
High biocidal efficacy – Controls microbes throughout fracturing process
Excellent compatibility – Stable with friction reducers and biopolymers
Long-lasting protection – Inhibits biofilm, corrosion and contamination
Ready-to-use liquid – Easy to dose and disperse on site
Slickwater fracturing fluids – Full-process microbial control
Gelled fracturing fluids – Sterilization and stabilization
Flowback water treatment – Antibacterial for reuse
Fracturing additive formulations – Compatible with friction reducers
Shale oil/gas production – Fracturing microbial protection
| Brand | Solvay |
| Division | Novecare |
| Product Series | TOLCIDE® Series |
| Product Type | Fracking fluid dedicated biocide |
| Active Ingredient | Tetrakis(hydroxymethyl)phosphonium sulfate (THPS) |
| Applicable Systems | Slickwater, gelled fracturing fluids |
| Compatibility | Compatible with friction reducers, biopolymers |
Q1: What is the primary mode of action of Solvay Tolcide 4frac Fungicide?
A: Solvay Tolcide 4frac Fungicide functions as a broad-spectrum, contact-and-residual fungicidal agent, primarily inhibiting fungal spore germination and mycelial growth through disruption of cell membrane integrity and metabolic processes.
Q2: In which types of industrial applications is Solvay Tolcide 4frac Fungicide typically used?
A: It is commonly incorporated into water-based coatings, adhesives, construction materials, and industrial maintenance fluids where long-term protection against mold, mildew, and filamentous fungi is required under humid or high-moisture conditions.
Q3: How should Solvay Tolcide 4frac Fungicide be incorporated into formulations?
A: It is designed for direct addition during the aqueous phase of formulation, with good compatibility in neutral to mildly alkaline systems. Homogeneous dispersion is achieved using standard high-shear mixing; pre-dilution in water or co-solvent may be recommended depending on viscosity and system polarity.
Q4: Is Solvay Tolcide 4frac Fungicide suitable for use in products intended for indoor environments?
A: Yes — it is formulated to support low-volatility performance and has been evaluated for efficacy and stability in interior applications such as wall paints, ceiling coatings, and HVAC system treatments, where sustained antifungal activity without significant odor or volatility is essential.
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