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