AS/NZS 3750.20:2008

AS/NZS 3750.20:2008 PAINTS FOR STEEL STRUCTURES - ANTICORROSIVE METAL PRIMER-SOLVENT-BORNE-LEAD AND CHROMATE FREE

PREFACE

CONTENTS

1 SCOPE

2 REFERENCED DOCUMENTS

3 DEFINITIONS

4 MATERIALS REQUIREMENTS

4.1 Composition

4.2 Conditions of test

4.3 Liquid paint

4.3.1 Condition in container

4.3.2 Fineness of grind

4.3.3 Volume solids

4.3.4 Susceptibility to formation of skin

4.3.5 Storage stability

4.3.6 Consistency

4.3.7 Density

4.4 Application properties

4.4.1 General

4.4.2 Brushing

4.4.3 Rolling

4.4.4 Spraying

4.5 Applied film

4.5.1 Dry times

4.5.2 Recoating properties and finish

4.5.3 Scratch resistance

4.5.4 Adhesion to substrate

4.5.5 Colour

4.5.6 Resistance to weathering

4.5.7 Salt droplet test

5 PACKAGING

6 LABELLING

APPENDIX A - PURCHASING GUIDELINES

A1 SCOPE

A2 GENERAL

A3 INFORMATION TO BE SUPPLIED WITH THE ENQUIRY OR ORDER

APPENDIX B - INFORMATION ON THE USE AND APPLICATION OF PRIMERS

B1 SCOPE

B2 MANUFACTURER’S TECHNICAL DATA

B3 SAFETY PRECAUTIONS

B4 APPLICATION AND USE

APPENDIX C - LIST OF REFERENCED DOCUMENTS

APPENDIX D - PREPARATION OF TEST PANELS FOR RESISTANCE TO WEATHERING

D1 SCOPE

D2 TEST PANEL MATERIALS

D3 PREPARATION OF PANELS

D4 COATING THE PANEL