ISO 1519-1973 rus PDF

Full title and description

Ст ISO 1519-1973 — Paints and varnishes — Bend test (cylindrical mandrel). Russian-language edition of the original International Standard ISO 1519:1973, which defines an empirical laboratory method for assessing the resistance of a coating or coating system to cracking and/or detachment when bent around a cylindrical mandrel.

Abstract

This standard specifies a bend (mandrel) test procedure for coatings on metal substrates. It describes apparatus types, test-piece preparation, test execution (using a single mandrel size or successive smaller mandrels) and the visual assessment of cracking and detachment to characterise coating flexibility and resistance to deformation.

General information

• Status: Withdrawn (original edition withdrawn; later revised).
• Publication date: December 1973 (Edition 1).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 87.040 (Paints and varnishes).
• Edition / version: Edition 1 (1973).
• Number of pages: 5 pages (original published text).

Scope

ISO 1519:1973 provides an empirical laboratory method intended to evaluate the behaviour of single or multi-coat systems applied to metal substrates when subjected to bending around a cylindrical mandrel. The method can be carried out using a specified mandrel size or repeated with progressively smaller mandrels to determine the limit of coating flexibility; two types of mandrel-bend apparatus are described.

Key topics and requirements

• Purpose and application: assessment of coating resistance to cracking and detachment under bending.
• Apparatus: description of cylindrical mandrel types and fixtures required for the test.
• Specimen preparation: substrate preparation, coating application and conditioning prior to testing.
• Test procedure: bending method (single or successive mandrel sizes), test speed and direction.
• Evaluation: visual inspection criteria for cracking and detachment; recording and interpretation of results.
• Repeatability and reporting: recommended reporting items to ensure comparability between laboratories.

Typical use and users

Commonly used by paint and coatings manufacturers, quality-control laboratories, independent testing houses, coating formulators and industrial users responsible for evaluating coating flexibility and resistance to deformation on metal substrates. The method is applied for routine QC, comparative evaluation of formulations and failure analysis in production or R&D environments.

Related standards

ISO 1519:1973 has been superseded by later revisions (see ISO 1519:2011 and intermediate revisions). Other related standards in the paints and varnishes family include tests for cupping, adhesion and film integrity such as ISO 1520 (cupping test) and various ISO methods for sampling, preparation and evaluation of coatings.

Keywords

bend test, mandrel, cylindrical mandrel, paints and varnishes, coatings, coating flexibility, cracking, detachment, coating testing, Ст ISO 1519-1973, Russian edition

FAQ

Q: What is this standard?

A: It is the Russian-language edition of ISO 1519:1973 — an ISO test method titled "Paints and varnishes — Bend test (cylindrical mandrel)" for assessing coating resistance to cracking and detachment when bent around a mandrel.

Q: What does it cover?

A: The standard covers apparatus, specimen preparation, test procedure (single or successive mandrel sizes), and visual evaluation criteria for determining coating flexibility and resistance to bending-induced failure.

Q: Who typically uses it?

A: Paint and coatings manufacturers, QC and R&D laboratories, independent testing organizations, and industrial quality engineers who evaluate coating performance on metal substrates.

Q: Is it current or superseded?

A: The 1973 edition has been withdrawn and later revised; users should refer to the newer ISO 1519 editions (for example the 2011 revision) for the current, authoritative procedure and any updated requirements. See the Related standards section above for details.

Q: Is it part of a series?

A: Yes — it belongs to the suite of ISO standards for paints and varnishes (ICS 87.040) and is associated with other test-method standards that assess coating adhesion, flexibility and film properties.

Q: What are the key keywords?

A: Bend test, cylindrical mandrel, coating flexibility, cracking, detachment, paints and varnishes, coating test method.