EN 1772:2000

• Abstract:

  This European Standard specifies a method for determining the wetting power of a surface active agent in solution by immersion of a disc of raw cotton cloth in the solution. The method is applicable to all surface active agents, whatever their ionic character, used as wetting agents in neutral, slightly acid or slightly basic baths for textile applications. The method is not applicable to mercerizing agents (baths highly basic) or to carbonizing assistants (baths highly acid).

• Status: Published
• Publication Date: 21-Mar-2000
• ICS: 71.100.40 - Surface active agents
• Technical Committee: CEN/TC 276 - Surface active agents
• Drafting Committee: CEN/TC 276/WG 2 - Methods of test
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 31-Oct-2024
• Completion Date: 23-Sep-2026
• Ref Project: SIST EN 1772:2001 - Surface active agents - Determination of wetting power by immersion (ISO 8022:1990 modified)

• Replaces: EN 1772:1995 - Surface active agents - Determination of wetting power by immersion (ISO 8022:1990 modified)
• Effective Date: 22-Dec-2008
• Refers: ISO 2456:1986 - Surface active agents — Water used as a solvent for tests — Specification and test methods
• Effective Date: 25-Aug-2026
• Refers: ISO 607:1980 - Surface active agents and detergents — Methods of sample division
• Effective Date: 25-Aug-2026
• Refers: ISO 3819:1985 - Laboratory glassware — Beakers
• Effective Date: 09-Feb-2026
• Refers: EN 818-4:1996 - Short link chain for lifting purposes - Safety - Part 4: Chain slings - Grade 8
• Effective Date: 28-Jan-2026
• Refers: EN ISO 139:2005 - Textiles - Standard atmospheres for conditioning and testing (ISO 139:2005)
• Effective Date: 28-Jan-2026
• Refers: EN 14960:2006 - Inflatable play equipment - Safety requirements and test methods
• Effective Date: 28-Jan-2026
• Referred By: CEN/TS 17035:2017 - Surface Active Agents - Bio-based surfactants - Requirements and test methods
• Effective Date: 28-Jan-2026

Overview

EN 1772:2000 is a European Standard developed by CEN, titled Surface active agents - Determination of wetting power by immersion (ISO 8022:1990 modified). This standard provides a unified method to determine the wetting power of surface active agents, specifically in textile applications. The procedure involves immersing a raw cotton cloth disc into a surfactant solution, allowing accurate assessment of the agent’s wetting capability. The method is designed for neutral, slightly acidic, or slightly basic solutions used as wetting agents, and is not intended for highly basic (mercerizing) or highly acidic (carbonizing) baths.

Key Topics

• Wetting Power Measurement: EN 1772:2000 describes an immersion method for measuring the wetting ability of surface active agents using a cotton fabric disc.
• Scope of Application: Applies to all surfactant types regardless of their ionic character.
• Test Conditions: The standard focuses on solutions intended for textile applications with neutral to slightly acidic/basic pH.
• Exclusions: It does not cover surfactants in applications with highly alkaline or highly acidic conditions (e.g., mercerizing or carbonizing textile treatments).

Applications

EN 1772:2000 is primarily relevant for:

• Textile Industry: Ensures surfactants and wetting agents used in textile processing (such as scouring, washing, and dyeing) perform to specification by standardizing wetting evaluation.
• Quality Control: Provides laboratories and manufacturers with a reproducible procedure for product development, verification, and batch testing of surfactants.
• Product Comparison: Enables objective comparison among different wetting agents based on standardized measurement, enhancing selection efficiency for manufacturers and end-users.
• International Trade: Supports harmonization of testing methods across Europe, facilitating trade and regulatory compliance for surface active agent producers.

Related Standards

Organizations and professionals referencing EN 1772:2000 may also consider the following standards:

• ISO 8022:1990 - The original international standard on which EN 1772:2000 is based, albeit with modifications.
• EN ISO 2870 - Related to surface active agents - Determination of cloud point of non-ionic surfactants.
• EN ISO 862 - Provides terminology for surfactants and detergents.
• EN ISO 2463 - Pertains to surface active agents - Determination of alkylphenol ethoxylates content.

Practical Value

Adopting EN 1772:2000 aids in:

• Consistency and Reliability: Having a standard method reduces variation in wetting measurements, ensuring reliable product performance in textiles.
• Regulatory Compliance: Helps manufacturers and labs align with European regulations on surfactant testing.
• Efficient R&D: Streamlines research and development activities by providing a clear testing protocol for evaluating the effectiveness of new or existing wetting agents.

By following EN 1772:2000, organizations in the surface active agent and textile sectors can confidently assess and compare the wetting efficiency of their products, improving process control, customer satisfaction, and market access.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.DSOMDQMHPGrenzflächenaktive Stoffe - Bestimmung des Tauchnetzvermögens (ISO 8022:1990 modifiziert)Agents de surface - Détermination du pouvoir mouillant par immersion (ISO 8022:1990 modifié)Surface active agents - Determination of wetting power by immersion (ISO 8022:1990 modified)71.100.40Površinsko aktivna sredstvaSurface active age
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