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

Schülke Parmetol K20 Preservative

Schülke Parmetol K20 Preservative is a broad-spectrum, water-soluble biocide based on isothiazolinones, designed for industrial preservation in cooling water, metalworking fluids, and process waters. It offers excellent efficacy against bacteria, fungi, and algae with low dosage requirements, high thermal and pH stability, and compatibility with common additives. Ideal for long-term microbial control in demanding applications.
  • sch lke parmetol k20 preservative_4d3cb3ab
  • sch lke parmetol k20 preservative_4d3cb3ab

Features Of Schülke Parmetol K20 Preservative

  1. Broad-spectrum antimicrobial activity against bacteria, yeasts, and molds.

  2. pH-stable performance across a wide range of formulations (pH 3.0–9.0).

  3. Low odor and excellent compatibility with surfactants, polymers, and common cosmetic & industrial raw materials.

  4. Non-volatile and thermally stable, supporting hot-process manufacturing.

  5. Compliant with major international regulatory frameworks including EU Biocidal Products Regulation (BPR) for product-type 6 and 9.

Typical Applications Of Schülke Parmetol K20 Preservative

  1. Water-based industrial cleaners and degreasers.

  2. Carpet and upholstery cleaning concentrates.

  3. Hard surface disinfectants and sanitizing wipes.

  4. Textile pre-treatment and laundry additive formulations.

  5. Automotive interior care products (e.g., dashboard cleaners, fabric protectants).

Specifications Of Schülke Parmetol K20 Preservative

Chemical TypeBlend of isothiazolinones and benzisothiazolinone
Product FormLiquid
AppearanceClear to slightly hazy, pale yellow liquid
pH (1% aqueous solution)3.5–5.0
Density (20 °C)1.08–1.12 g/cm³
SolubilityFreely soluble in water and polar organic solvents
Primary ApplicationsIndustrial cleaning, hard-surface disinfection, textile maintenance
Key FeaturesFast-acting, non-oxidizing, low-foaming preservative system


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