Standard
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AS 4506:2024
[Current]Metal finishing - Thermoset powder coatings
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
Published: 14/06/2024
Pages: 38
Table of contents
Cited references
Content history
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
I.3.3.4 Hot-dip zinc-alloy coated steel products
I.3.3.5 Zinc-based die castings
I.3.3.6 Thermal metal-sprayed coatings
I.3.3.7 Electroplated coatings
I.3.4 Aluminium and aluminium alloys
I.3.5 Copper and copper alloys
I.3.6 Stainless steel
I.3.7 Outgassing and degassing
I.3.8 Powder coating over painted product
I.3.9 Zinc and epoxy primers
I.3.10 Other substrates
Appendix J
J.1 Scope
J.2 Exterior exposure test
J.3 Neutral salt spray test
J.4 Report
J.4.1 Exterior exposure test
J.4.2 Neutral salt spray test
Appendix K
K.1 Scope
K.2 Apparatus
K.3 Procedure
K.4 Test report
Appendix L
L.1 Scope
L.2 Principle
L.3 Procedure
L.4 Test report
Appendix M
M.1 Scope
M.2 Procedure
M.3 Report
Bibliography
Cited references in this standard
ASTM G 87
Standard practice for conducting moist SO2 tests
ASTM D 2247
Standard practice for testing water resistance of coatings in 100 % relative humidity
ASTM D 2244
Test method for calculation of color tolerances and color differences from instrumentally measured colour coordinates
[Current]
Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness, Part 3: Treatment grades of welds, edges and other areas with surface imperfections (ISO 8501-3:2006, MOD)
[Current]
Site testing of protective coatings, Method 3: Determination of dry film thickness
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