Standard
Track updates
AS 3715:2025
[Current]Metal finishing - Thermoset powder coatings for architectural applications of aluminium and aluminium alloys
This document sets out test procedures and specifies performance requirements for various types of thermoset powder coatings that are factory applied to aluminium and aluminium alloy substrates intended for architectural applications
Published: 28/02/2025
Pages: 38
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Evaluation of product conformity
2 Service condition categories
3 Health, safety, and environmental protection
4 Product selection and classification guide
5 Designation of coating system classification
6 Durability considerations
7 Accredited powder coat applicator
8 Performance requirements
8.1 General
8.2 Powder coating systems
8.3 Surface condition of aluminium prior to pretreatment and powder coating
8.3.1 General
8.3.2 Fabricated items and design considerations
8.3.3 Imperfections
8.4 Process materials
8.4.1 Powder
8.4.2 Pretreatment materials
8.5 Sampling
8.6 Requirements for the powder coating
8.6.1 Appearance
8.6.1.1 General
8.6.1.2 Acceptance/rejection criteria
8.6.2 Specular gloss
8.6.3 Coating thickness
8.6.4 Cure test (solvent resistance method)
8.6.5 Adhesion (cross-cut)
8.6.6 Hardness
8.6.6.1 General
8.6.6.2 Buchholz testing
8.6.6.3 Pencil hardness testing
8.6.7 Humidity resistance
8.6.8 Impact resistance
8.6.9 Colour fast capability of powders
8.6.10 Salt spray test
8.6.11 Permeability
8.6.12 Resistance to mortar
Appendix A
A.1 General
A.2 Information to be supplied by the purchaser
Appendix B
B.1 General
B.2 Loss of gloss
B.3 Chalking
B.4 Checking
B.5 Discolouration
B.6 Erosion of powder coatings
Appendix C
Appendix D
D.1 General
D.2 Transportation
D.3 Storage
D.4 Installation
D.5 Brick cleaning
Appendix E
E.1 General
E.2 Atmospheric classifications
Appendix F
F.1 Scope
F.2 Selection
F.2.1 Sheet and strip products
F.2.2 Extruded products
F.2.3 Test panels
F.2.4 Frequency
Appendix G
G.1 General
G.2 Cleaning – Chemical etching
G.2.1 General
G.2.2 Standard etch
G.2.3 Seashore etch
G.3 Conversion coating
G.3.1 General
G.3.2 Chrome chromate coatings
G.3.3 Non-chromate conversion coatings
G.4 Rinsing
G.5 Drying
G.5.1 Method of test for etch rate
G.5.2 Method of test for chromate coating weight by strip and weigh
G.5.3 Instrumental determination
Appendix H
H.1 Scope
H.2 Principle
H.3 Apparatus
H.4 Preparation of test pieces
H.5 Procedure
H.6 Report
Appendix I
I.1 Scope
I.2 Durability test
I.3 Report
Appendix J
J.1 Scope
J.2 Water permeability test
J.2.1 Apparatus
J.2.2 Procedure
J.3 Alternative test method — Boiling water film adhesion
J.3.1 Apparatus
J.3.2 Procedure
J.4 Test report
Appendix K
K.1 Scope
K.2 Principle
K.3 Procedure
K.4 Test report
Appendix L
L.1 Scope
L.2 Procedure
L.3 Test report
Appendix M
M.1 Scope
M.2 Initial type testing
M.3 Factory production control
M.4 Non-conforming product
M.4.1 Retesting
M.4.1.1 Further samples
M.4.1.2 Successful retest
M.4.1.3 Rejection after retest
M.5 Records and documentation
Cited references in this standard
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