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AS
AS 3894.1-1991

AS 3894.1-1991

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Available format(s)

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

Superseded date

06-30-2017

Language(s)

English

Published date

01-01-1991

Publisher

Standards Australia

Preview

Specifies a method of test for determining the presence of pinholes, cracks, holidays, and other discontinuities that penetrate to the substrate in non-conductive protective coatings of at least 150 micrometres applied to a conductive substrate, using the high voltage or brush method.

This Standard sets out a method of test for determining the presence of pinholes, holidays, cracks and other discontinuities which penetrate to the substrate, in a nonconductive, 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 which 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 7262 6867 4
Pages
14
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Under Revision see DR 01385 CP First published as AS 3894.1-1991

AS 2886-1986 Voltage measurement - Sphere-gap method (one sphere earthed)
AS 1580.101.5-1986 Paints and related materials - Methods of test Conditions of test, temperature and humidity controlled
AS 2310-1980 Glossary of paint and painting terms
AS 2243.7-1991 Safety in laboratories - Electrical aspects

AS/NZS 1596:2002 The storage and handling of LP Gas
AS 1627.0-1997 Metal finishing - Preparation and pretreatment of surfaces Method selection guide (Reconfirmed 2017)
AS/NZS 4158.1:1994 Polymeric coatings on valves and fittings for water industry purposes Thermal-bonded coatings
AS 3750.2-1994 Paints for steel structures - Ultra high-build paint
AS/NZS 1518:2002 External extruded high-density polyethylene coating system for pipes (Reconfirmed 2016)
AS/NZS 4158:1996 Thermal-bonded polymeric coatings on valves and fittings for water industry purposes
AS/NZS 1596:1997 Storage and handling of LP Gas
AS 3894.2-1991 Site testing of protective coatings Non-conductive coatings - Continuity testing - Wet sponge method

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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