This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking, storage and transportation of nonwoven fabrics for isolation gowns.
This standard is applicable to nonwoven fabrics for disposable isolation gowns worn by medical staff and visitors.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 250 Textiles—Tests for colour fastness—Grey scale for assessing change in colour
GB/T 4666 Textiles—Fabrics—Determination of width and length
GB/T 7742.1 Textiles—Bursting properties of fabrics—Part 1: Hydraulic method for determination of bursting strength and bursting distension
GB/T 12703.4 Textile—Evaluation for electrostatic properties—Part 4: Resistivity
GB/T 12704.1-2009 Textiles—Test method for water-vapour transmission of fabrics—Part 1: Desiccant method
GB 15979-2002 Hygienic standard for disposable sanitary products
GB 19082-2009 Technical requirements for single-use protective clothing for medical use
GB/T 24218.1 Textiles—Test methods for nonwovens—Part 1: Determination of mass per unit area
GB/T 24218.3 Textiles—Test methods for nonwovens—Part 3: Determination of tensile strength and elongation (strip method)
GB/T 24218.16 Textiles—Test methods for nonwovens—Part 16: Determination of resistance to penetration by water (hydrostatic pressure)
GB/T 24218.17 Textiles—Test methods for nonwovens—Part 17: Determination of resistance to penetration by water (spray impact)
YY/T 0689-2008 Clothing for protection against contact with blood and body fluids—Determination of resistance of protective clothing materials to penetration by blood-borne pathogens—Test method using Phi-X 174 bacteriophage
3 Product classification
The nonwoven fabrics for isolation gowns are classified by their inherent quality requirements into Class I, Class II, Class III and Class IV with gradually increasing protective performance.
Notes: Class I refers to isolation gowns generally used for visitors, cleaners and other purposes.
Class II refers to isolation gowns generally used for routine care and examination.
Class III refers to isolation gowns generally used for occasions where patients have a certain amount of bleeding and liquid secretions.
GB/T 38462-2020 The following standards are cited: