AS 4506:2024 specifies relevant test procedures and performance requirements for thermoset powder coatings applied to metal substrates for atmospheric exposure. It does not cover aluminium for architectural applications
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Atmospheric classifications
2 Performance requirements
2.1 General
2.2 Pre-treatment
2.2.1 General
2.2.2 Chemical pre-treatment
2.2.3 Mechanical pre-treatment
2.2.4 Quality control of pre-treatment
2.3 Coating powder
2.4 Application of coating powder
2.5 Significant surfaces of the coated product
2.6 Evaluating product conformance
2.7 Performance requirements of the coated product
2.7.1 Surface appearance
2.7.2 Specular gloss
2.7.3 Thickness
2.7.4 Cure
2.7.5 Adhesion
2.7.6 Humidity
2.7.7 Neutral salt spray
2.7.8 Permeability
2.7.9 Resistance to mortar
2.7.10 Exterior exposure requirements of the coating powder
Appendix A
A.1 General
A.2 Information to be supplied by the purchaser
Appendix B
B.1 Scope
B.2 Initial type testing
B.3 Factory production control
B.4 Non-conforming product
B.4.1 Retesting
B.4.1.1 Further samples
B.4.1.2 Successful retest
B.4.2 Rejection after retest
B.5 Records and documentation
Appendix C
C.1 General
C.2 Loss of gloss
C.3 Chalking
C.4 Checking
C.5 Discolouration/colour change
C.6 Erosion of powder coatings
Appendix D
D.1 General
D.2 Transportation
D.3 Storage
D.4 Installation
D.5 Brick cleaning
Appendix E
E.1 Maintenance
E.2 Recommended method of cleaning
Appendix F
F.1 General
F.2 Repair
Appendix G
G.1 General
G.2 Atmospheric corrosivity classifications
G.2.1 General
G.2.2 Atmospheric corrosivity categories
G.2.2.1 C1 — Very Low
G.2.2.2 C2 — Low
G.2.2.3 C3 — Medium
G.2.2.4 C4 — High
G.2.2.5 C5 — Very High
G.2.2.6 CX— Extreme
Appendix H
H.1 Scope
H.2 Selection
H.2.1 Sheet and strip products
H.2.2 Castings and forgings
H.2.3 Extruded and roll-formed products
H.2.4 Test panels
Appendix I
I.1 Untreated surfaces
I.2 Abrasive-treated surfaces
I.3 Chemical pre-treatment
I.3.1 General
I.3.2 Iron and steel
I.3.3 Zinc
I.3.3.1 General
I.3.3.2 Batch hot-dip galvanized coatings
I.3.3.3 Pre-galvanized strip and in-line galvanized product
