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

Solvay Tolcide Ps75lt Biocide

Solvay Tolcide PS75LT Biocide is a high-performance, low-toxicity isothiazolinone-based biocide from Solvay’s Tolcide series, designed for industrial water systems. It effectively controls bacteria, fungi, and algae with excellent thermal and pH stability. Ideal for cooling towers, process water, and oilfield applications, PS75LT offers long-lasting protection and compatibility with common water treatment chemistries.
  • solvay tolcide ps75lt biocide_f4b89014
  • solvay tolcide ps75lt biocide_f4b89014

Features Of Solvay Tolcide Ps75lt Biocide

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

  2. Low-toxicity formulation compliant with major global regulatory frameworks including EU BPR and US EPA guidelines.

  3. Excellent stability in high-hardness and high-pH cooling water environments.

  4. Non-oxidizing chemistry that minimizes corrosion risk to ferrous and non-ferrous metallurgy.

  5. Compatible with common scale inhibitors, dispersants, and other water treatment additives.

Typical Applications Of Solvay Tolcide Ps75lt Biocide

  1. Cooling water systems in power generation plants.

  2. Process water circuits in petrochemical and refinery operations.

  3. Recirculating water loops in HVAC and district cooling installations.

  4. Make-up water treatment for closed-loop industrial heat exchange systems.

  5. Biocide maintenance dosing in membrane filtration pre-treatment stages.

Specifications Of Solvay Tolcide Ps75lt Biocide

Chemical TypeIsothiazolinone-based biocide blend
Product FormLiquid concentrate
AppearanceClear, pale yellow liquid
pH (1% aqueous solution)3.0 – 4.5
Density (20°C)1.08 – 1.12 g/cm³
SolubilityCompletely miscible in water
Primary ApplicationsIndustrial cooling water, process water, HVAC systems
Key FeaturesNon-oxidizing, low-foaming, chlorine-stable


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