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Solvay Tolcide PS70af is a high-efficiency 3rd-gen THPS biocide from Tolcide PSA series by Solvay Novecare. Designed for oilfield and industrial water treatment, it combines THPS with penetrant, delivers strong biofilm and microbial control, and is ready-to-use for harsh conditions.
Third-gen THPS formula – Upgraded biocidal performance
Powerful biofilm control – Deep penetration removes stubborn biofilm
With bio-penetrant – Improved efficacy in complex environments
Ready-to-use liquid – Easy to dose directly
Broad working condition adaptability – Controls bacteria, algae, sulfide
Oilfield water injection – Microbial control
Oil/gas pipeline protection – Pipeline cleaning
Drilling/completion fluids – Sterilization stabilization
Fracturing fluids – System protection
Industrial circulating water – Microbial treatment
| Brand | Solvay |
| Division | Novecare |
| Product Series | Tolcide® PSA Series |
| Product Type | Industrial biocide, biofilm controller |
| Core Ingredients | THPS + bio-penetrant |
| Form | Clear liquid |
Q1: What is the primary mode of action of Solvay Tolcide PS70af?
A: Solvay Tolcide PS70af functions as a broad-spectrum fungicide through inhibition of fungal cell wall synthesis and disruption of membrane integrity, delivering reliable protection against common molds and yeasts in polymer and coating systems.
Q2: In which types of materials is Tolcide PS70af typically incorporated?
A: It is widely used in water-based and solvent-borne industrial coatings, adhesives, sealants, and polymer dispersions—particularly where long-term resistance to microbial degradation during storage and service life is required.
Q3: How does Tolcide PS70af compare to conventional fungicides in terms of stability and compatibility?
A: Tolcide PS70af exhibits excellent thermal and hydrolytic stability, enabling incorporation at elevated processing temperatures without significant degradation. It demonstrates good compatibility with common acrylics, vinyl acetate copolymers, and alkyd resins, minimizing formulation challenges such as phase separation or viscosity drift.
Q4: Is Tolcide PS70af suitable for applications requiring low migration or regulatory compliance for indirect food contact?
A: While not intended for direct food contact, Tolcide PS70af is formulated to exhibit low volatility and limited migration potential in polymeric matrices. Its use in indirect food contact applications should be evaluated on a case-by-case basis in alignment with applicable regional regulatory frameworks and end-product testing requirements.
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