ISO 17190-6:2020 PDF

Name: ISO 17190-6:2020 — 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
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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

Название (английский):

ISO 17190-6:2020

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 10
Дата публикации:: 27 октября 2020 г.
Издание:: ISO IS 17190 edition 2 version 1
ICS:: 11.180.20

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Описание (английский):

This document provides a test method for the determination of the fluid retention capacity of polyacrylate superabsorbent powders in saline solution, following centrifugation.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 17190-6:2020 is an ISO test method for measuring the fluid retention capacity of polyacrylate superabsorbent powders used in urine‑absorbing aids for incontinence. The standard specifies a gravimetric measurement after centrifugation in a 0.9 % saline solution and defines sample preparation, apparatus, test conditions and reporting requirements. It is part of the ISO 17190 series addressing polymer‑based absorbent materials.

Key topics and requirements

Scope: Determination of fluid retention capacity (centrifuge retention) of polyacrylate superabsorbent powders in saline solution.

Sample size and preparation: Typical test portions are 0.180–0.220 g of dry polymer placed in heat‑sealed nonwoven “teabags” (60 × 40 mm to 60 × 85 mm).

Test liquid: 0.9 % (m/m) sodium chloride solution prepared using Grade 1/ISO 3696 water; recommended solution temperature ≈ 23 ± 2 °C. Check conductivity for consistency.

Immersion and absorption: Teabags are submerged; polymers are allowed to absorb saline for 30 minutes.

Centrifugation: Centrifuge at a centrifugal acceleration of 2 452 ± 50 m·s⁻² (≈250 g) for 3 minutes, then weigh wet teabags immediately.

Blanks and balancing: Test includes two blank bags; blanks may be reused if material and sealing conditions are unchanged (but regular checks recommended).

Calculation: Centrifuge retention capacity w (g/g) is calculated from the wet mass of sample bags, average blank mass, and dry sample mass; results are averaged for duplicate specimen values and rounded to 0.1 unit.

Environmental control: Conditioning and testing are typically at (23 ± 2) °C and (45 ± 15) % RH (ISO 187).

Safety: Handling precautions for respirable polymer dust (guideline values noted) and general laboratory safety are required.

Practical applications

Quality control testing of superabsorbent powders used in diapers, adult incontinence products and medical dressings.

R&D comparison of different polyacrylate formulations for fluid retention performance in physiological saline.

Regulatory and procurement specifications where standardized, comparable retention data are required.

Test laboratories that certify absorbent materials or provide performance data to manufacturers and brand owners.

Related standards

ISO 17190 (other parts) - series for polymer‑based absorbent materials

ISO 187 - standard atmosphere for conditioning and testing

ISO 3696 - water for analytical laboratory use

Keywords: ISO 17190-6:2020, polyacrylate superabsorbent powders, fluid retention capacity, centrifuge retention, saline solution, gravimetric measurement, urine-absorbing aids, incontinence testing.

ISO 17190-6:2020 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Practical applications

Who uses this standard

Related standards

Технические детали

BS ISO 17190-4:2020

Urine-absorbing aids for incontinence. Polyacrylate superabsorbent powders. Test method for estimation of the…

SIST EN ISO 3696:1998

Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)

BS EN ISO 18771:2020

Anodizing of aluminium and its alloys. Method to test the surface abrasion resistance using glass-coated abra…