SIST EN ISO 12625-3:2014 PDF

Name: SIST EN ISO 12625-3:2014 — Tissue paper and tissue products - Part 3: Determination of thickness, bulking thickness and apparent bulk density (ISO 12625-3:2014)
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Tissue paper and tissue products - Part 3: Determination of thickness, bulking thickness and apparent bulk density (ISO 12625-3:2014)

Название (английский):

SIST EN ISO 12625-3:2014

Tissue paper and tissue products - Part 3: Determination of thickness, bulking thickness and apparent bulk density (ISO 12625-3:2014)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 20
Дата публикации:: 6 августа 2014 г.
ICS:: 85.080.20
Технический комитет:: VPK - Pulp, paper, board and products

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Описание (английский):

ISO 12625-3:2014 specifies a test method for the determination of thickness and bulking thickness and the calculation of apparent bulk density and bulk of tissue papers and tissue products under a pressure of 2,0 kPa.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 12625-3:2014 (CEN adoption of ISO 12625-3:2014) specifies a harmonized test method for measuring the thickness, bulking thickness, and for calculating apparent bulk density and bulk of tissue paper and tissue products. Measurements are made under a defined static loading pressure of 2.0 kPa. This part of ISO 12625 provides a consistent basis for thickness-related trade, quality control and product specification across the tissue industry.

Key topics and technical requirements

Scope and purpose: Defines a single, repeatable method for thickness and density measurements of tissue papers and finished tissue products.

Measurement principle: Thickness measured under a standardized load (2.0 kPa) to reduce variability caused by differing pressures, foot diameters and loading speeds used historically.

Apparatus: Typical equipment includes a precision dead-weight micrometer, gauge blocks and a balance with appropriate attachments.

Sample conditioning and preparation: Specified conditioning atmosphere and procedures (see referenced ISO 187) and detailed preparation of test pieces for single-ply and multi-ply (sheet and bulking) measurements.

Test procedure and calculations:

Single-ply thickness and single-sheet thickness determination
Bulking thickness (stacked-sheet height) measurement
Calculation of apparent bulk density and bulk (apparent specific bulk volume)

Quality and precision: Annexes provide precision data, required measurement conditions and guidance on foot pressure characteristics.

Harmonization: Supersedes earlier edition (EN ISO 12625-3:2005) and aligns measurement parameters industry-wide.

Applications

Quality control and acceptance testing in tissue manufacturing (e.g., toilet tissue, kitchen towel, paper towels).

Specification and comparison of base tissue and finished products between suppliers and customers.

Product development and R&D to relate thickness to perceived softness, absorbency, or roll/stack dimensions.

Contract testing and third-party laboratory reporting where consistent, reproducible thickness/density values are required.

Trade documentation and dispute resolution where standardized measurement is necessary.

Related standards

ISO 12625‑1 (terms and general guidance)

ISO 12625‑6 (determination of grammage)

ISO 187 (conditioning and testing atmosphere)

ISO 186 (sampling)

ISO 534 (thickness methods for paper and board generally)

ISO 15755 / ISO 287 or ISO 638 (referenced for impurity detection and moisture determinations)

Keywords: EN ISO 12625-3:2014, tissue paper, thickness, bulking thickness, apparent bulk density, bulk, test method, 2.0 kPa, CEN, ISO 12625.

SIST EN ISO 12625-3:2014 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications

Who should use this standard

Related standards

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