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

Solvay Tolcide Ps70a Biocide

Solvay Tolcide PS70A Biocide is a high-performance, broad-spectrum antimicrobial agent from Solvay’s Tolcide series. Designed for industrial water treatment and preservation of water-based formulations, it effectively controls bacteria, fungi, and algae. PS70A offers excellent stability, low toxicity, and compatibility with common polymers and additives—ideal for paints, coatings, adhesives, and cooling systems.
  • solvay tolcide ps70a biocide_28292961
  • solvay tolcide ps70a biocide_28292961

Features Of Solvay Tolcide Ps70a Biocide

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

  2. Stable performance across a wide pH range (pH 4–10) and tolerant to common water treatment additives.

  3. Low volatility and minimal odor—enhances operator safety and handling convenience.

  4. Compatible with polymeric dispersants and scale inhibitors used in cooling water formulations.

  5. Non-oxidizing mode of action helps prevent rapid microbial resistance development.

Typical Applications Of Solvay Tolcide Ps70a Biocide

  1. Cooling water systems in power generation and HVAC installations.

  2. Process water circuits in pulp and paper manufacturing.

  3. Recirculating water loops in chemical processing plants.

  4. Make-up water treatment for closed-loop industrial cooling towers.

  5. Preservation of water-based metalworking fluids during storage and use.

Specifications Of Solvay Tolcide Ps70a Biocide

Chemical TypeHeterocyclic nitrogen compound (isothiazolinone derivative)
Product FormLiquid concentrate
AppearanceClear, pale yellow to amber liquid
Primary ApplicationsIndustrial water treatment, metalworking fluid preservation
Key FeaturesNon-oxidizing, broad-spectrum, pH-stable, low-foaming
BenefitsReduced dosing frequency, compatibility with common water treatment chemistries, improved system reliability
Storage Stability≥24 months at 5–30°C in original sealed container
Recommended Dosage Range50–200 ppm active ingredient (system-dependent)


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