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AS 3894.1-2002

Current

Current

The latest, up-to-date edition.

Site testing of protective coatings Non-conductive coatings - Continuity testing - High voltage (brush) method (Reconfirmed 2013)

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

06-07-2002

Preview

This Standard provides a practical test method for the on-site determination of the presence of pinholes, holidays, cracks and other discontinuities that penetrate to the substrate, in a non-conductive, protective coating of at least 150 µm thickness on a conductive substrate, using the high voltage or ‘brush’ method.

This Standard provides a practical test method for the on-site determination of the presence of pinholes, holidays, cracks and other discontinuities that penetrate to the substrate, in a non-conductive, protective coating of at least 150 mm thickness (see Note) on a conductive substrate, using the high voltage or ‘brush’ method.NOTE: Where coatings are less than 150 mm thick, an alternative method such as the low voltage wet sponge method should be used.This Standard is applicable to site testing of coated metal items of equipment or structures which may be subjected to long-term burial or immersion, such as structural steel, pipelines, storage vessels, bridges and mobile/transportable containers. The method is confined to testing instruments that can provide a minimum voltage of 500 V. The Standard is not intended to apply to coating types incorporating components that conduct an electric current, such as zinc dust and aluminium flakes.The voltages recommended in this Standard are intended to be applied under conditions of normal atmospheric pressure and temperature.

Committee
CH-003
DocumentType
Standard
ISBN
0 7337 4476 1
Pages
18
ProductNote
PublisherName
Standards Australia
Status
Current
Supersedes

First published as AS 3894.1-1991.Second edition 2002.Reconfirmed 2013. Originated AS 3894.1-1991. Second edition 2002.

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AS 3894.7-2002 Site testing of protective coatings Determination of surface temperature (Reconfirmed 2013)
AS/NZS 1580.101.5:1999 Paints and related materials - Methods of test Conditions of test - Temperature and humidity control (Reconfirmed 2013)
AS/NZS 2310:1995 Glossary of paint and painting terms
AS/NZS 2310:2002 Glossary of paint and painting terms (Reconfirmed 2016)
AS 2243.7-1991 Safety in laboratories - Electrical aspects
AS/NZS 3894.7:1996 Site testing of protective coatings Determination of surface temperature

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AS 4795.2-2011 Butterfly valves for waterworks purposes Double flanged
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AS 2885.1-2012 Pipelines - Gas and liquid petroleum Design and construction
AS/NZS 1596:2014 The storage and handling of LP Gas

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