ISO 5425:2023

Name: ISO 5425:2023 — Specifications for use of poly(lactic acid) based filament in additive manufacturing applications
SKU: ISO 5425:2023
Price: 25 EUR
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Specifications for use of poly(lactic acid) based filament in additive manufacturing applications

Название (английский):

ISO 5425:2023

Specifications for use of poly(lactic acid) based filament in additive manufacturing applications

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 23 августа 2023 г.
Издание:: ISO IS 5425 edition 1 version 1
ICS:: 25.030

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Описание (английский):

This document specifies the technical requirements, test methods, detection rules, marking/labelling, packaging, transportation and storage of poly(lactic acid) (PLA) based filament for use in specific additive manufacturing technology, such as materials extrusion (MEX). The document applies to PLA based filament for MEX additive manufacturing applications.

Abstract

Overview - ISO 5425:2023 for PLA filament (MEX / 3D printing)

Key topics and technical requirements

Appearance and uniformity - single-colour filaments must have consistent colour and be free of burrs, scratches, bubbles (assessment per clause 6.2).
Dimensions - common nominal diameters: 1.75 mm and 2.85 mm. Tolerance and ovality requirements are specified (Table 1):
- 1.75 mm: ±0.03 mm (premium/qualified) and ovality ≤0.05 mm
- 2.85 mm: ±0.03 mm (premium) / ±0.05 mm (qualified) and ovality ≤0.07 mm
- Other diameters: percentage tolerances based on nominal diameter
Mass and volatile limits - net mass tolerances and volatile matter limits are defined; TVOC considerations are included for emissions.
Material properties & testing - specified tests include melt mass-flow rate (MFR), moisture content, tensile load and elongation, impurities limits, and discharge ability (see clause 6).
Environmental metrics - methods and reporting for biobased (carbon) content, carbon and environmental footprint, and end-of-life options/circularity.
Marking, packaging, transport, storage - labeling elements (material name, diameter, color, build temperature, net mass, barcode, country of production) and storage/transport provisions (clause 8).

Practical applications - who uses ISO 5425:2023

Filament manufacturers - product specification, quality control, labeling and marketing claims.
3D printer OEMs and integrators - material compatibility and recommended filament specs for MEX printers.
Testing laboratories & QA teams - standardized test methods and sampling/verification procedures.
Procurement and buyers - purchasing specifications and acceptance criteria for PLA filament.
Environmental compliance & recyclers - assessing biobased content, footprint and end-of-life options for circular economy reporting.

Related standards

ISO 5425 references several normative standards used for tests and conditioning, including:

ISO 1133-1 (MFR), ISO 15512 (water/moisture), ISO 291 (conditioning), ISO 527-2 (tensile tests), ISO 16620 (biobased content), ISO 22526 (carbon & environmental footprint), ISO 2859-1 (sampling), ISO 8124-3 and ISO 12219-2 (emissions/TVOC).

ISO 5425:2023 provides a practical framework for consistent quality, traceability and environmental transparency of PLA filaments used in MEX/3D printing applications.