AS 2943-2007

1-AS 2943-2007 PLASTICS PIPES AND FITTINGS FOR GAS RETICULATION-POLYAMIDE COMPOUNDS
4-PREFACE
5-CONTENTS
6-1 SCOPE
6-2 APPLICATION
6-3 REFERENCED DOCUMENTS
7-4 DEFINITIONS
7-4.1 Hoop stress
7-4.2 Long-term hydrostatic strength
7-4.3 Hydrostatic design strength
7-4.4 Quality control test
7-4.5 Test station
7-5 COMPOSITION
7-5.1 Density
7-5.2 Moisture content
7-5.3 Viscosity number
7-5.4 Melting point
7-5.5 Additives
7-5.5.1 Antioxidants and ultraviolet stabilizers
8-5.5.2 Pigments
8-5.5.3 Dispersion of ingredients
8-6 TEST REQUIREMENTS
8-6.1 Weathering resistance
8-6.2 Lower prediction limit of the predicted hydrostatic strength (σLPL)
8-6.3 Resistance to internal pressure at elevated temperatures
8-6.4 Chemical resistance
8-6.5 Heat ageing
8-6.6 Zinc chloride resistance
9-7 MARKING
10-APPENDIX A - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
10-A1 SCOPE
10-A2 RELEVANCE
10-A3 DEFINITIONS
10-A3.1 Acceptable quality level (AQL)
10-A3.2 Batch
10-A3.3 Batch release test (BRT)
10-A3.4 Inspection level
10-A3.5 Lot
10-A3.6 Process verification test (PVT)
10-A3.7 Sample
11-A3.8 Sampling plan
11-A3.9 Type test (TT)
11-A4 PRODUCT CERTIFICATION
11-A5 MINIMUM SAMPLING AND TESTING FREQUENCY PLAN
11-A5.1 General
11-A5.2 Retesting
11-A5.3 Rejection after test
12-A6 TYPE TESTING FOR RE-EVALUATION
12-A6.1 Change in material/compound
12-A6.2 New Compound
12-A6.3 Change to requirements of Paragraphs A6.1(b), A6.1(c)(ii), A6.1(d)(ii), or A6.1(d)(iii)
15-APPENDIX B - METHOD FOR DETERMINING MELTING POINT
15-B1 SCOPE
15-B2 PRINCIPLE
15-B3 APPARATUS
15-B4 TEST SPECIMEN
15-B5 PROCEDURE
15-B6 REPORT
16-APPENDIX C - METHOD FOR DETERMINING CHEMICAL RESISTANCE
16-C1 SCOPE
16-C2 PRINCIPLE
16-C3 REAGENTS AND CONTROL FLUIDS
16-C3.1 Methanol
16-C3.2 Pentane
16-C3.3 Tetrahydrothiophene (70%) and tert-butyl mercaptan (30%)
16-C3.4 Hydrocarbon mixture
16-C3.5 Control fluids
17-C4 PREPARATION OF TEST SPECIMENS
17-C5 CONDITIONING OF TEST SPECIMENS AND REAGENTS
17-C6 PROCEDURE
17-C7 REPORT
18-APPENDIX D - METHOD FOR DETERMINING RESISTANCE TO HEAT AGEING
18-D1 SCOPE
18-D2 PRINCIPLE
18-D3 APPARATUS
18-D4 TESTSPECIMENS
18-D5 HOOP STRESS AT BURST
18-D6 BOILING WATER TEST
18-D7 HOT AIR OVEN TEST
19-D8 REPORT
20-APPENDIX E - METHOD FOR DETERMINING RESISTANCE TO ZINC CHLORIDE
20-E1 SCOPE
20-E2 PRINCIPLE
20-E3 APPARATUS
20-E4 TEST SPECIMENS
20-E5 CONDITIONING OF TEST SPECIMENS
20-E6 PROCEDURE
21-E7 REPORT
22-APPENDIX F - METHOD FOR DETERMINING HOOP STRESS AT BURST
22-F1 SCOPE
22-F2 PRINCIPLE
22-F3 APPARATUS
22-F4 PREPARATION OF TEST SPECIMENS
22-F5 PROCEDURE
23-F6 REPORT