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

Schulke Parmetol N20 Preservative

Schulke Parmetol N20 Preservative is a broad-spectrum, formaldehyde-free biocide based on isothiazolinones, designed for industrial water systems and metalworking fluids. It effectively controls bacteria, fungi, and algae with low toxicity and excellent stability across pH 4–10. Compatible with common additives, it ensures long-term preservation without compromising fluid performance or operator safety.
  • schulke parmetol n20 preservative_942b715c
  • schulke parmetol n20 preservative_942b715c

Features Of Schulke Parmetol N20 Preservative

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

  2. pH-stable performance across a wide range of formulations (pH 3–9).

  3. Low odor and excellent compatibility with common cosmetic and industrial raw materials.

  4. Non-volatile and thermally stable, supporting processing at elevated temperatures.

  5. Compliant with major international regulatory frameworks including EU Cosmetics Regulation (EC) No 1223/2009.

Typical Applications Of Schulke Parmetol N20 Preservative

  1. Water-based personal care products such as shampoos, conditioners, and body washes.

  2. Household cleaning formulations including liquid detergents and all-purpose cleaners.

  3. Industrial metalworking fluids requiring long-term microbial control.

  4. Latex paints and architectural coatings to prevent spoilage during storage.

  5. Emulsion-based adhesives and sealants susceptible to microbial degradation.

Specifications Of Schulke Parmetol N20 Preservative

Chemical TypeMixture of isothiazolinones and synergistic preservative agents
Product FormLiquid
AppearanceClear to slightly opalescent, pale yellow liquid
OdorCharacteristic mild sulfurous odor
SolubilityFreely soluble in water and polar organic solvents
Density (20 °C)Approx. 1.08–1.12 g/cm³
Storage Temperature5–30 °C in original sealed container
Shelf Life24 months from date of manufacture under recommended storage conditions


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