SIST EN ISO 9117-6:2012 PDF

Name: SIST EN ISO 9117-6:2012 — Paints and varnishes - Drying tests - Part 6: Print-free test (ISO 9117-6:2012)
SKU: SIST EN ISO 9117-6:2012
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Paints and varnishes - Drying tests - Part 6: Print-free test (ISO 9117-6:2012)

Название (английский):

SIST EN ISO 9117-6:2012

Paints and varnishes - Drying tests - Part 6: Print-free test (ISO 9117-6:2012)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 10
Дата публикации:: 10 сентября 2012 г.
ICS:: 87.040
Технический комитет:: IBLP - Paints and varnishes

Тип поставки:

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Язык документа:

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Цена:150 €

Описание (английский):

ISO 9117-6:2012 specifies a method for assessing, by means of a simple empirical test, the resistance of a coat of paint, varnish or related product to imprinting by a nylon gauze under a specified force applied for a specified time. The method may be carried out either as a "pass/fail" test by determining whether the print-free state has been reached after a specified period of drying or, in the case of stoving coatings, after stoving and ageing under specified conditions, or by repeating the print-free test at suitable intervals until the print-free time is obtained.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

SIST EN ISO 9117-6:2012, titled Paints and varnishes - Drying tests - Part 6: Print-free test, is an international standard developed by ISO and endorsed by CEN. This standard specifies a straightforward empirical method to evaluate the resistance of paint, varnish, or related coatings to imprinting by a nylon gauze under a controlled force and time. It plays a crucial role in quality assurance by determining the point at which a coating is sufficiently dry to resist marking, known as the print-free state.

The test can be conducted either as a pass/fail evaluation after a specified drying or stoving period or as a time-dependent test to find the exact print-free time by repeated assessments.

Key Topics

Purpose: This standard measures the resistance of coatings to imprinting marks, indicating the drying stage at which coatings are no longer susceptible to surface damage by light pressure.

Test Materials: Utilizes woven monofilament polyamide (nylon) gauze squares of defined dimensions and thread diameter, supported by rubber discs and calibrated weights to apply a specific force.

Test Conditions: The standard specifies environmental conditions for drying (23 ± 2 °C, 50 ± 5% relative humidity), panel preparation, and coating application to ensure consistent and reproducible results.

Testing Procedure:

Apply nylon gauze on the coated surface,
Place a rubber disc and a cylindrical weight on the gauze,
Maintain pressure for 10 minutes,
Inspect the coating for any visible imprint using normal corrected vision.

Assessment Outcomes:

Print-free state means no imprint is visible, indicating adequate drying,
The exact print-free time can be established by testing at intervals until the coating consistently resists impressions.

Reporting Requirements: Detailed documentation covering product information, panel preparation, coating thickness, test conditions, gauze specifications, results, and any procedural deviations.

Applications

Quality Control in Paint Manufacturing: Ensures coatings meet drying performance standards to avoid surface defects during handling and application.

Evaluation of Protective Coatings: Applicable in automotive, aerospace, and industrial sectors to verify surface durability before further processing.

Research and Development: Helps formulate coatings with optimized drying times and resistance to marking.

Compliance Testing: Meets regulatory and contractual requirements by providing standardized validation of drying and curing processes.

This print-free test is particularly beneficial in industries where the aesthetic and functional integrity of coatings is critical, guaranteeing end-user satisfaction and product performance.

Related Standards

EN ISO 9117 part 6 is part of a broader series of paint drying tests, which include:

ISO 9117-1: Determination of through-dry state and through-dry time,

ISO 9117-2: Pressure test for stackability,

ISO 9117-3: Surface-drying test using ballotini,

ISO 9117-4: Test using a mechanical recorder,

ISO 9117-5: Modified Bandow-Wolff test.

Additional referenced standards supporting this method:

ISO 1513: Sample examination and preparation,

ISO 1514: Standard panels for testing,

ISO 2808: Film thickness determination,

ISO 15528: Sampling of paints and varnishes,

ISO 3270: Climatic conditions for conditioning and testing coatings.

Adopting SIST EN ISO 9117-6:2012 streamlines the evaluation of coating dryness and resistance to marking, promoting consistent product quality across the paints and varnishes industry worldwide.

SIST EN ISO 9117-6:2012 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

ISO 9117-6:2012

Paints and varnishes — Drying tests — Part 6: Print-free test

SIST EN ISO 9117-4:2012

Paints and varnishes - Drying tests - Part 4: Test using a mechanical recorder (ISO 9117-4:2012)

SIST EN ISO 9117-1:2009

Paints and varnishes - Determination of through-dry state and through-dry time - Method of test (ISO 9117-1:2…

SIST EN ISO 9117-2:2011

Paints and varnishes - Drying tests - Part 2: Pressure test for stackability (ISO 9117-2:2010)

SIST EN ISO 9117-3:2011

Paints and varnishes - Drying tests - Part 3: Surface-drying test using ballotini (ISO 9117-3:2010)

SIST EN ISO 9117-5:2012

Paints and varnishes - Drying tests - Part 5: Modified Bandow-Wolff test (ISO 9117-5:2012)

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