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ISO 75-3:2025

Plastics — Determination of temperature of deflection under load — Part 3: High-strength thermosetting laminates and long-fibre-reinforced plastics

Publication date:   Jul 25, 2025

General information

60.60   Standard published   Jul 25, 2025

ISO

ISO/TC 61/SC 2 Mechanical behavior

International Standard

83.080.10   Thermosetting materials | 83.120   Reinforced plastics

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Scope

This document specifies a method used for the determination of the temperature of deflection under load of specified plastics (including fibre-reinforced plastics in which the fibre length is, prior to processing, greater than 7,5 mm) under defined conditions. A number of different test conditions are defined, depending on the anticipated specimen dimensions.
For additional information, see ISO 75-1:2020, Clause 1.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 75-3:2004

NOW

PUBLISHED
ISO 75-3:2025
60.60 Standard published
Jul 25, 2025