Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Solvay Tolcide Ps70af Biocide

Solvay Tolcide PS70AF Biocide is a high-performance, formaldehyde-free antimicrobial agent from Solvay’s Tolcide® biocide series. Designed for industrial water treatment and polymer preservation, it delivers broad-spectrum efficacy against bacteria, fungi, and algae with excellent thermal and pH stability. PS70AF offers low-foaming, low-toxicity performance and complies with global regulatory standards including EPA and EU BPR.
  • solvay tolcide ps70af biocide_859ef433
  • solvay tolcide ps70af biocide_859ef433

Features Of Solvay Tolcide Ps70af Biocide

  1. Broad-spectrum efficacy against bacteria, fungi, and algae in aqueous systems.

  2. Stable under a wide pH range (pH 4–10) and compatible with common industrial additives.

  3. Low volatility and minimal odor, supporting safer handling and reduced workplace exposure.

  4. Non-oxidizing chemistry, preventing corrosion of metal components in cooling and process water systems.

  5. Designed for continuous or slug dosing in recirculating water applications with long-lasting residual protection.

Typical Applications Of Solvay Tolcide Ps70af Biocide

  1. Industrial cooling water systems including open recirculating towers and closed loops.

  2. Process water circuits in paper & pulp manufacturing and textile dyeing operations.

  3. Oilfield injection water and produced water treatment to control microbial-induced corrosion (MIC).

  4. Water-based metalworking fluids and hydraulic fluids requiring microbiological stabilization.

  5. Pre-treatment and side-stream biocide dosing in HVAC and district cooling networks.

Specifications Of Solvay Tolcide Ps70af Biocide

Chemical TypeHeterocyclic nitrogen compound (isothiazolinone derivative)
Product FormAqueous solution
AppearanceClear, pale yellow liquid
pH (1% aqueous solution)3.5–5.0
Density (20 °C)1.08–1.12 g/cm³
SolubilityMiscible with water in all proportions
Primary ApplicationsCooling water, process water, metalworking fluids, oilfield water
Key FeaturesNon-oxidizing, broad-spectrum, low-foaming, thermally stable


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