1 - AS 1745.1-1989 OUTDOOR WEATHERING OF PLASTICS IN THE AUSTRALIAN ENVIRONMENT - COMMERCIAL PRODUCTS
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE.
6 - 2 REFERENCED DOCUMENTS.
6 - 3 DEFINITIONS.
6 - 3.1 General.
6 - 3.2 Specimens.
6 - 3.3 Climatic.
9 - 4 REQUIREMENTS AND GUIDELINES FOR THE SELECTION OF TEST SITES.
9 - 4.1 Factors influencing the weathering of plastics.
9 - 4.2 Choosing test sites.
10 - 5 SITE FACILITIES.
10 - 5.1 Cleared sites.
10 - 5.2 Uncleared sites.
10 - 5.3 Reduction of reflection and of shading from sun, rain and wind.
10 - 5.4 Exposure racks and other mountings.
11 - 5.5 Provision for site security.
11 - 6 EXPOSURE CONDITIONS.
11 - 6.1 Duration of exposure.
11 - 6.2 Exposure trials.
11 - 6.3 Further exposure of specimens.
11 - 6.4 Aspect of exposure.
11 - 6.5 Angle of exposure.
11 - 6.6 Loads on specimens.
11 - 7 TEST SPECIMENS.
11 - 7.1 Types of specimen.
11 - 7.2 Preparation of test specimens.
12 - 7.3 Number of specimens.
12 - 7.4 Control specimens.
12 - 7.5 Reference specimens.
12 - 8 PROCEDURE.
12 - 9 EXPOSURE REQUIREMENTS FOR COMPLIANCE WITH THIS STANDARD.
13 - 10 ASSESSMENT.
13 - 11 REPORT.
13 - 12 INTERPRETATION AND STATEMENT OF COMPLIANCE.
14 - APPENDIX A - RECOMMENDED METHOD OF SPECIMEN ASSESSMENT
14 - A1 VISUAL INSPECTION.
14 - A2 ASSESSMENT PROCEDURE.
14 - A3 LOSS OF GLOSS.
14 - A4 DISCOLORATION.
14 - A5 OPTICAL DENSITY CHANGE.
15 - A6 DIRT AND DEBRIS COLLECTION.
15 - A7 BIOLOGICAL GROWTH.
15 - A8 CHALKING.
15 - A9 COLOUR CHANGE.
15 - A10 CHANGE IN MASS.
15 - A11 DIMENSIONALCHANGES.
16 - A12 MECHANICAL TESTING.
16 - A13 PERFORMANCE TESTING.
17 - APPENDIX B - METHOD OF ASSESSING CHANGE IN MASS OF EXPOSED SPECIMENS
17 - B1 SCOPE.
17 - B2 CONDITIONING.
17 - B3 INITIAL DETERMINATION OF MASS.
17 - B4 CLEANING OF EXPOSED SPECIMENS.
17 - B5 FINAL DETERMINATION OF MASS.
18 - APPENDIX C - SAMPLE TEST REPORT
18 - 1 PURPOSE OF INVESTIGATION.
18 - 2 EXPOSURE SITES.
18 - 3 TEST SPECIMENS.
18 - 4 RACKS AND MOUNTINGS.
18 - 5 CLIMATIC DATA.
18 - 6 ASSESSMENT.
18 - 7 SPECIFIED PERFORMANCE TESTING.
18 - 8 TENSILE TESTING.
22 - APPENDIX D - SAMPLE INTERPRETATIVE REPORT
23 - APPENIDX E - RACK SITING RECOMMENDATIONS
23 - E1 SCOPE.
23 - E2 SHADING DIAGRAM.
23 - E3 DETERMINATION OF SHADED AREA.
23 - E4 COMPLEX OBSTRUCTIONS.
23 - E5 SITING VARIATIONS.
25 - APPENIDIX F - EXAMPLE OF DETERMINATION OF RACK SITING