ISO 16603-2004 PDF

Full title and description

St ISO 16603:2004 — Clothing for protection against contact with blood and body fluids — Determination of the resistance of protective clothing materials to penetration by blood and body fluids — Test method using synthetic blood. This International Standard specifies a laboratory screening test that applies a synthetic blood challenge to material specimens under controlled hydrostatic pressures to determine their resistance to liquid penetration.

Abstract

ISO 16603:2004 describes a laboratory method using a formulated synthetic blood in continuous contact with a material specimen and the ISO 13994 test apparatus to measure visible penetration. The method is intended as a screening/ranking test for material barrier performance and has recognized limitations (for example, reduced effectiveness for materials with thick absorbent inner liners).

General information

• Status: Published (International Standard, confirmed).
• Publication date: 2004-04 (April 2004).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 13.340.10 (Protective clothing).
• Edition / version: Edition 1 (2004).
• Number of pages: 11 (ISO published count).

Scope

ISO 16603:2004 applies to materials and certain material constructions used in protective clothing and specifies a screening hydrostatic-pressure test using synthetic blood to determine the pressure at which visible liquid penetration occurs. The method is aimed at classifying and ranking material resistance to blood/body-fluid penetration rather than prescribing garment design, and it does not simulate every real-world stress (e.g., severe mechanical pressures, abrasion, repeated flexing or laundering). The test uses the ISO 13994 apparatus/approach for continuous liquid contact under controlled pressure.

Key topics and requirements

• Test principle: continuous contact of a synthetic blood challenge fluid with the specimen while controlled hydrostatic pressure is applied to detect visible penetration (strikethrough) as the pass/fail/threshold indicator.
• Challenge liquid: synthetic blood formulation selected to approximate blood/body-fluid surface tension and viscosity used for screening (composition and surface‑tension control specified in the method).
• Pressure classification: the method identifies the pressure at which penetration occurs (ranking/class assignment across a range up to ~20 kPa), enabling comparison of materials rather than a single absolute pass/fail at one pressure.
• Apparatus: test performed using equipment and procedures aligned with ISO 13994 (hydrostatic/continuous-contact test arrangement).
• Limitations and cautions: reduced effectiveness for thick absorbent constructions, time-consuming assays not always suitable for routine QC, and the method does not directly measure viral or bacterial penetration (it is a synthetic‑fluid screening test). For microbiological resistance, complementary methods (e.g., ISO 16604 / bacteriophage method) are used.

Typical use and users

Used by manufacturers of protective garments, test laboratories, conformity assessment bodies, healthcare purchasers, and regulators to evaluate and compare material barrier properties against blood and body fluids. Typical applications include selection and classification of gowns, coveralls, surgical apparel and other protective items intended for clinical, laboratory, emergency-response or industrial environments where blood/body-fluid exposure is a hazard.

Related standards

Commonly used alongside or compared with: ISO 16604 (viral-penetration test using Phi‑X174 bacteriophage), ASTM F1670 (synthetic‑blood penetration test) and ISO 13994 (hydrostatic/continuous-contact test apparatus and procedures). These related methods serve complementary roles: ISO 16603 and ASTM F1670 are screening tests using synthetic blood, while ISO 16604 provides a microbiological/viral surrogate challenge for viral‑penetration assessment.

Keywords

blood penetration, synthetic blood, protective clothing, hydrostatic pressure test, barrier performance, ISO 16603, screening test, protective garments, ISO 13994.

FAQ

Q: What is this standard?

A: ISO 16603:2004 is an ISO laboratory test method that measures resistance of protective‑clothing materials to penetration by blood and body fluids using a synthetic blood screening test.

Q: What does it cover?

A: It covers specimen preparation, synthetic blood challenge composition and application, controlled hydrostatic-pressure procedures using the ISO 13994 test arrangement, visible‑penetration detection and material classification/ranking. It is intended as a screening and ranking tool rather than a comprehensive simulation of all field stresses.

Q: Who typically uses it?

A: Test laboratories, garment and material manufacturers, conformity assessors, healthcare procurement teams and regulators—any stakeholder needing comparative barrier data for materials used in gowns, coveralls and similar protective apparel.

Q: Is it current or superseded?

A: The ISO record shows ISO 16603:2004 as the published edition (Edition 1, April 2004) and the version has been subject to periodic review; users should check the ISO catalogue or national standards bodies for the absolute latest status before purchase or citation. As of ISO's metadata the 2004 edition is the published standard.

Q: Is it part of a series?

A: Yes — ISO 16603 is part of a family of protective‑clothing tests addressing liquid and biological penetration (notably ISO 16604 for viral surrogate testing) and is referenced alongside related ASTM methods for synthetic‑blood screening.

Q: What are the key keywords?

A: Synthetic blood, blood penetration, hydrostatic pressure, barrier performance, protective clothing, screening test, ISO 13994, ISO 16604, ASTM F1670.