ISO 9073-2-1995 PDF

Full title and description

ISO 9073-2:1995 — Textiles — Test methods for nonwovens — Part 2: Determination of thickness. Specifies laboratory methods for measuring the thickness of nonwoven textiles (normal and bulky types) under specified pressure conditions; edition 2 (1995), which cancels and replaces the 1989 edition.

Abstract

This standard defines apparatus, sampling/conditioning principles and three related test methods for determining thickness of nonwovens when subjected to defined pressures. It covers normal nonwovens and bulky nonwovens (with separate procedures depending on thickness) and includes reporting requirements for test results.

General information

• Status: Published (Edition 2, 1995).
• Publication date: 9 March 1995 (Edition 2).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 59.080.30 (Textile fabrics / nonwovens).
• Edition / version: Edition 2 (1995) with Technical Corrigendum 1 (1998).
• Number of pages: 5 pages (main document).

Scope

ISO 9073-2:1995 specifies methods to determine the thickness of nonwoven textiles measured as the distance between a reference plate and a presser-foot (or equivalent reference) under specified pressures. It provides separate apparatus and procedures for (a) normal nonwovens, (b) bulky nonwovens up to about 20 mm and (c) very bulky materials over 20 mm, and describes conditioning and sampling practices to ensure comparable results.

Key topics and requirements

• Apparatus definitions for three cases: normal nonwovens (small presser-foot and reference plate), bulky nonwovens ≤20 mm (lever/balance and dial gauge), and bulky nonwovens >20 mm (large base, measuring plate and vertical probe).
• Three test methods (commonly referenced as Method A for normal, Method B for bulky ≤20 mm, Method C for bulky >20 mm) with specified contact pressures and reading times.
• Sampling and conditioning requirements (reference to standard laboratory atmosphere and sampling rules to ensure reproducibility).
• Reporting requirements: identification of material, conditioning atmosphere, method/apparatus used, number of specimens (typical set of test pieces), mean thickness (and optional coefficient of variation) and any deviations.
• Technical corrigendum (1998) issued to correct editorial/technical points in the 1995 edition.

Typical use and users

Used by textile and nonwoven manufacturers, materials/test laboratories, quality control and R&D teams to characterize product thickness for specification, comparison, acceptance testing and process control. Also referenced in technical datasheets and harmonized test protocols for consumer and industrial nonwovens.

Related standards

Part of the ISO 9073 series (test methods for nonwovens). Other parts of the series specify complementary tests (for example, absorbency, bending length and coverstock wetback among others) and should be consulted for broader nonwovens characterization and product-specific testing. Examples of related parts published in the series include more recent updates to other parts of ISO 9073.

Keywords

nonwoven, thickness, textile test methods, ISO 9073, presser-foot, bulky nonwovens, test method, conditioning, laboratory measurement

FAQ

Q: What is this standard?

A: ISO 9073-2:1995 is an international test method standard that defines how to determine the thickness of nonwoven textile materials under specified pressure conditions (Edition 2, 1995).

Q: What does it cover?

A: It covers apparatus descriptions, sampling and conditioning guidance, three measurement methods for normal and bulky nonwovens (different apparatus and procedures depending on thickness), and test reporting rules.

Q: Who typically uses it?

A: Manufacturers of nonwovens, independent textile testing laboratories, product developers, and quality/inspection personnel use the standard for specification checks, acceptance testing and comparative measurements.

Q: Is it current or superseded?

A: The 1995 edition (Edition 2) is the published version that replaced the 1989 edition; a Technical Corrigendum (1998) was issued to correct the published text. ISO records show the 1989 edition was withdrawn and superseded by the 1995 edition. Users should confirm on the ISO catalog or with their national standards body for any later revisions or replacements before using the standard for regulatory or procurement purposes.

Q: Is it part of a series?

A: Yes — ISO 9073 is a multi-part series of test methods for nonwovens; Part 2 is the thickness determination method and other parts cover properties such as absorbency, bending and wetback among others.

Q: What are the key keywords?

A: nonwoven, thickness, presser-foot, bulky nonwovens, textile test method, ISO 9073-2, test apparatus, conditioning