EN 1164:1998
(Main)Feather and down - Test methods - Determination of the turbidity of an aqueous extract
Feather and down - Test methods - Determination of the turbidity of an aqueous extract
This European Standard specifies a method to check one of the cleanliness aspects of feather and down ready to be used through the determination of the amount of undissolved and solved matter present in the aqueous extract.
Federn und Daunen - Prüfverfahren - Bestimmung der Trübung eines wässrigen Extraktes
Diese Europäische Norm legt ein Verfahren fest, mit dem man fertig bearbeitete Federn und Daunen hinsichtlich ihrer Sauberkeit durch die Bestimmung des Gehaltes an ungelösten und gelösten Bestandteilen im wässrigen Extrakt überprüft.
Plumes et duvets - Méthodes d'essais - Détermination de la turbidité d'un extrait aqueux
Cette norme européenne spécifie une méthode pour mesurer la propreté des plumes et duvets prêts à l'emploi, à travers la détermination de la quantité d'éléments dissous et non dissous d'un extrait aqueux.
Feather and down - Test methods - Determination of the turbidity of an aqueous extract
General Information
- Status
- Published
- Publication Date
- 22-Sep-1998
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 12-Oct-2022
- Completion Date
- 14-Apr-2025
Overview
EN 1164:1998 (CEN) defines a standardized method for assessing one aspect of the cleanliness of feather and down intended for use in textile applications. The standard specifies a procedure to determine the turbidity of an aqueous extract, enabling evaluation of the amount of undissolved and dissolved matter extracted from feather and down samples. This measurement is used as an objective indicator of product cleanliness and handling efficacy.
Key Topics
- Purpose: Verify cleanliness of feather and down by measuring turbidity in an aqueous extract.
- Measured properties: Amount of undissolved particles and dissolved constituents that contribute to extract turbidity.
- Outcome: A quantitative turbidity result that supports product acceptance, quality monitoring, and comparison across batches or suppliers.
- Standards context: EN 1164:1998 has been adopted nationally (for example as SIST EN 1164:2000) and is classified under ICS 59.040 (textile auxiliary materials).
Applications
EN 1164:1998 is directly applicable to organizations and processes where feather and down cleanliness is critical:
- Quality control in production: Routine checks during processing and final inspection of down and feather filling materials.
- Incoming material inspection: Verifying supplier deliveries meet cleanliness expectations before use in manufacturing.
- Contract and third‑party testing: Laboratories offering conformity checks for textile manufacturers and brands.
- Product development and troubleshooting: Comparing cleaning methods, washing cycles, or process modifications by monitoring changes in extract turbidity.
Benefits of implementing this standard include improved consistency of filling materials, reduced risk of contamination-related defects, and transparent, reproducible test results that aid supplier communication.
Related Standards
- Other CEN/ISO documents and national standards addressing test methods and quality requirements for feather, down and textile auxiliary materials should be consulted alongside EN 1164:1998 for a comprehensive quality program.
- National adoptions (for example SIST EN 1164:2000) reflect the European standard within local regulatory or commercial contexts.
EN 1164:1998 provides a practical, instrument‑based approach to assess a key cleanliness parameter for feather and down. When combined with broader sampling, handling and specification practices, turbidity testing helps manufacturers and laboratories ensure consistent quality of filling materials used across bedding, apparel, and other textile products.
Frequently Asked Questions
EN 1164:1998 is a standard published by the European Committee for Standardization (CEN). Its full title is "Feather and down - Test methods - Determination of the turbidity of an aqueous extract". This standard covers: This European Standard specifies a method to check one of the cleanliness aspects of feather and down ready to be used through the determination of the amount of undissolved and solved matter present in the aqueous extract.
This European Standard specifies a method to check one of the cleanliness aspects of feather and down ready to be used through the determination of the amount of undissolved and solved matter present in the aqueous extract.
EN 1164:1998 is classified under the following ICS (International Classification for Standards) categories: 59.040 - Textile auxiliary materials; 67.120.20 - Poultry and eggs; 97.160 - Home textiles. Linen. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Feather and down - Test methods - Determination of the turbidity of an aqueous extractFedern und Daunen - Prüfverfahren - Bestimmung der Trübung eines wässrigen ExtraktesPlumes et duvets - Méthodes d'essais - Détermination de la turbidité d'un extrait aqueuxFeather and down - Test methods - Det
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