Detail of GB/T 44422-2024

Introduction of GB/T 44422-2024

GB/T 44422-2024 Water- absorbent polyacrylate in urine absorbing products - Requirements 1 Scope This document specifies requirements for water-absorbent crosslinked polyacrylate in urine absorbing products. 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. ISO 17190-1 Urine - absorbing aids for incontinence - Polyacrylate superabsorbent powders - Part 1: Test method for determination of pH Note: GB/T 20405.1-2006 Urine-absorbing aids for incontinence - Test methods for characterizing Polymer-based absorbent materials - Part 1: Determination of PH (ISO 17190-1: 2020, IDT) ISO 17190-2 Urine - absorbing aids for incontinence - Polyacrylate superabsorbent powders - Part 2 : Test method for determination of the amount of residual acrylate monomers Note: GB/T 20405.2-2006 Urine-absorbing aids for incontinence - Test methods for characterizing Polymer-based absorbent materials - Part 2: Determination of amount of residual monomers (ISO 17190-2: 2001, IDT) ISO 17190-3 Urine-absorbing aids for incontinence - Polyacrylate superabsorbent powders- Part 3 : Test method for determination of the particle size distribution by sieve fractionation Note: GB/T 20405.3-2006 Urine-absorbing aids for incontinence - Test methods for characterizing Polymer-based absorbent materials - Part 3: Determination of particle size distribution by sieve fractionation (ISO 17190-3: 2001, IDT) ISO 17190-4 Urine - absorbing aids for incontinence - Polyacrylate superabsorbent powders - Part 4 : Test method for estimation of the moisture content as weight loss upon heating Note: GB/T20405.4-2006 Urine-absorbing aids for incontinence - Test methods for characterizing Polymer-based absorbent materials - Part 4: Determination of moisture content by mass loss upon heating (ISO 17190-4: 2001, IDT) ISO 17190-6 Urine - absorbing aids for incontinence - Polyacrylate superabsorbent powders - Part 6: Test method for determination of the fluid retention capacity in saline solution by gravimetric measurement following centrifugation Note: GB/T 39748.6-2021 Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 6 : Gravimetric determination of fluid retention capacity in saline solution after centrifugation ( ISO 17190-6: 2001, IDT) ISO 17190-9 Urine - absorbing aids for incontinence - Polyacrylate superabsorbent powders- Part 9 : Test method for gravimetric determination of flow rate and bulk density ) Note: GB/T 39748.9-2021 Urine-absorbing aids for incontinence - Test methods for characterizing polymer-based absorbent materials - Part 9 : Gravimetric determination of density (ISO 17190-9; 2001, IDT) The Japanese Pharmacopoeia 1.07 Heavy Metals Limit .Test, Method 2 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 water-absorbent polyacrylate powdered or fibrous resin comprising of polyacrylate that can absorb and retain water and/or aqueous solutions 10 times to 1000 times its own weight 3.2 heavy metal metallic inclusions that is darkened with sodium sulphide test solution in acidic solution Note: The quantity of heavy metals is expressed in terms of the quantity of lead (Pb).

Contents of GB/T 44422-2024