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

Schulke Parmetol K20 Preservative

Schulke Parmetol K20 Preservative is a broad-spectrum, formaldehyde-free biocide for water-based industrial formulations. Part of Schulke’s Parmetol preservative series, K20 delivers robust protection against bacteria, yeasts, and molds in paints, coatings, adhesives, and cleaning products. It offers excellent thermal and pH stability with low odor and favorable toxicological profile.
  • schulke parmetol k20 preservative_04d866e0
  • schulke parmetol k20 preservative_04d866e0

Features Of Schulke Parmetol K20 Preservative

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

  2. pH-stable performance across a wide range of 3.0–9.0, ensuring compatibility in diverse formulations.

  3. Low toxicity profile with favorable environmental and regulatory acceptance (e.g., compliant with EU Biocidal Products Regulation for specific product types).

  4. Excellent thermal and hydrolytic stability, maintaining activity during processing and long-term storage.

  5. Non-volatile and non-oxidizing, minimizing impact on fragrance integrity and product aesthetics.

Typical Applications Of Schulke Parmetol K20 Preservative

  1. Personal care products including shampoos, conditioners, and body washes.

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

  3. Industrial water-based coatings and architectural paints.

  4. Water-based adhesives and sealants.

  5. Car care products including interior cleaners and dashboard protectants.

Specifications Of Schulke Parmetol K20 Preservative

Chemical TypeBlend of isothiazolinones and synergistic preservative agents
Product FormAqueous solution
AppearancePale yellow to light amber, clear liquid
pH (1% aqueous solution)3.5–5.0
Density (20 °C)1.08–1.12 g/cm³
SolubilityCompletely miscible with water and most polar organic solvents
Primary ApplicationsPreservation of water-based industrial and consumer products
Key FeaturesBroad-spectrum biocide, low effective dosage, formulation-friendly


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