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ISO 5267-2:2025 Pulps — Determination of drainability — Part 2: “Canadian Standard” freeness method

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ISO 9073-6:2025 Nonwovens — Test methods — Part 6: Absorption

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ISO 25178-606:2026

ISO 25178-606:2026 Geometrical product specifications (GPS) — Surface texture: Areal — Part 606: Design and characteristics of non-contact (focus variation) instruments

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This publication was last reviewed and confirmed in 2026.

Geometrical product specifications (GPS) — Surface texture: Areal — Part 606: Design and characteristics of non-contact (focus variation) instruments

SKU: 7958af267eec Category:

Description

This document specifies the design and characteristics of focus variation instruments for areal measurement of surface topography. Because surface profiles can be extracted from areal surface topography data, the methods described in this document are also applicable to profiling measurements as well.

This document applies to focus variation without pattern illumination or with fixed pattern illumination. This document does not cover methods using varying pattern illumination during the measurement.

Edition

2

Published Date

2026-06-19

Status

PUBLISHED

Pages

19

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies the design and characteristics of focus variation instruments for areal measurement of surface topography. Because surface profiles can be extracted from areal surface topography data, the methods described in this document are also applicable to profiling measurements as well.

This document applies to focus variation without pattern illumination or with fixed pattern illumination. This document does not cover methods using varying pattern illumination during the measurement.

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