AS 1231-2000

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Aluminium and aluminium alloys — Anodic oxidation coatings

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Specifies requirements for anodic oxidation coatings on aluminium and its alloys for general applications and for external architectural applications. Appendices give guidance on the choice of aluminium grades and coating thickness grades, on the maintenance, handling and transportation of anodised products and on the application of test methods for anodised coatings.

Header

About this publication

Preface

1 Scope

2 Referenced documents

3 Definitions

4 Designation

5 Visual inspection after anodising

5.1 General

5.2 Freedom from defects and workmanship

6 Sampling

7 Thickness of coating

7.1 Thickness grade

7.2 Thickness determination

7.3 Referee methods for thickness determination

8 Sealing

8.1 General

8.2 Sealing quality

8.3 Referee method for determination of sealing quality

9 Abrasion resistance

10 Corrosion resistance

11 Light fastness and resistance to heat

11.1 Light fastness

11.2 Ultraviolet light fastness

11.3 Fastness to heat

12 Light reflection properties

12.1 Total reflectance

12.2 Specular reflectance

12.3 Image clarity

13 Infra-red reflectance

14 Electrical breakdown potential

Appendix A

A1 General

A2 Information to be supplied by the purchaser

A2.1 General

A2.2 Essential information

A2.3 Additional information

Appendix B

Appendix C

Appendix D

Appendix E

Appendix F

Appendix G

Appendix H

H1 Exterior use

H2 Interior use

H3 Upper limits of thickness

Appendix I

I1 General

I2 Atmospheric classifications

Appendix J

J1 General

J2 Measurement of wear properties with an abrasive wheel test apparatus

J3 Measurement of abrasion resistance with an abrasive jet test apparatus

Appendix K

K1 General

K2 Ultraviolet light fastness

K3 Dyed finishes

Appendix L

L1 Introduction

L2 Total reflectance

L3 Specular reflectance and image clarity