ISO 21326:2019 PDF

Scope: This document specifies test methods for efficiency of chemically or physically treated textile products against house dust mites. For the products treated by chemicals against house dust mites, the test methods specified in a) to c) are applied. For the physically treated products, the test method specified in d) is applied. a) Repelling method by using Petri dish This method is applied to carpet, bedding surface fabric, bed sheeting, bed covering and blanket. b) Repelling method by using glass tube (Methods A and B) This method is applied to wadding (bedding, etc.) with a fibre content of cotton, wool or synthetic fibre, feathers/down. c) Proliferation method by using Petri dish (Method A) and using vial (Method B) Method A is applied to carpet, bedding surface fabric, bed sheeting, bed covering and blanket. Method B is applied to wadding. d) Penetration method This method is applicable to the outer fabric of a futon, bed sheeting and bed covering. However, this method is not applicable to the multiple component non-woven fabrics and fibre products with the high stretch properties such as jersey fabrics.

ISO 21326:2019 Referenced Document

ISO 105-F02 Textiles - Tests for colour fastness - Part F02: Specification for cotton and viscose adjacent fabrics
ISO 3310-1 Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth
ISO 3696 Water for analytical laboratory use; Specification and test methods
ISO 9237 Textiles - Determination of the permeability of fabrics to air

2019 ISO 21326:2019 Textiles — Test methods for determining the efficiency of products against house dust mite