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

Lonza Lonzagard CP-100 Biocide

Lonza Lonzagard CP-100 Biocide is a broad-spectrum, non-oxidizing microbiocide designed for industrial water systems. It effectively controls bacteria, fungi, and algae in cooling towers, process water, and oilfield applications. Featuring low toxicity and excellent stability across pH and temperature ranges, it offers long-lasting protection with minimal dosing. Part of Lonza’s trusted Lonzagard series, CP-100 ensures reliable microbial management without compromising system integrity or environmental safety.
  • lonza lonzagard cp 100 biocide_66fa6670
  • lonza lonzagard cp 100 biocide_66fa6670

Features Of Lonza Lonzagard CP-100 Biocide

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

  2. Stable performance across a wide pH range (pH 4–9) and tolerant to common water treatment additives.

  3. Low-dosage efficiency—effective at concentrations as low as 50–200 ppm depending on system conditions.

  4. Non-oxidizing chemistry minimizes corrosion risk to carbon steel, stainless steel, and copper alloys.

  5. Compatible with common scale inhibitors, dispersants, and other biocide programs for synergistic control.

Typical Applications Of Lonza Lonzagard CP-100 Biocide

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

  2. Process water circuits in pulp & paper manufacturing.

  3. Recirculating water systems in chemical and petrochemical plants.

  4. Make-up water and closed-loop systems requiring long-term microbial control.

  5. Industrial wastewater treatment units where biofilm prevention is critical.

Specifications Of Lonza Lonzagard CP-100 Biocide

Chemical TypeIsothiazolinone-based blend (primarily 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one)
Product FormAqueous solution
AppearanceClear, light yellow liquid
pH (as supplied)2.5–4.0
Density (20 °C)1.05–1.08 g/cm³
SolubilityCompletely miscible with water
Primary ApplicationsIndustrial water treatment (cooling towers, process water, closed loops)
Key FeaturesNon-oxidizing, broad-spectrum, low-foaming, metal-compatible


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