Standard
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AS 4758.2:2022
[Current]Lifejackets, Part 2: Materials and components — Requirements and test methods
Specifies the requirements for the structural materials and components and test methods for the construction of lifejackets.
Published: 04/03/2022
Pages: 29
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 Sample conditioning
1.4.1 Standard conditioning
1.4.2 Accelerated weathering
2 Sewing thread
2.1 Construction
2.2 Performance
2.3 Loop breaking strength
3 Fabric
4 Structural webbing
5 Structural zippers
5.1 Acknowledgements
5.2 Construction
5.3 Performance
6 Webbing closures and adjusters
6.1 Construction
6.2 Performance
6.2.1 Tensile strength
6.2.2 Strength/slippage
6.2.3 Tab disengagement
7 Whistles
8 Foam flotation material
8.1 Acknowledgement
8.1.1 General
8.2 Performance
8.2.1 Density after water absorption
8.2.2 Specific buoyancy
8.2.3 Thermal stability
8.2.4 Compressibility of inherently buoyant material
8.2.5 Tensile strength
8.2.6 Resistance to oil
8.2.7 Cold flexibility
8.2.8 Compression deflection
8.3 Polymeric foam coatings
8.3.1 Acknowledgements
8.3.2 Construction
8.3.3 Performance
8.3.3.1 Coating adhesion
8.3.3.2 Resistance to flex cracking
8.3.3.3 Elongation at break
8.3.3.4 Cold flexibility
8.3.3.5 Blocking resistance
8.3.3.6 Water absorption
8.3.3.7 Volatile loss
8.4 Knitted fabric laminated to foam flotation material
9 Inflation chamber materials
10 Inflation systems for lifejackets
10.1 General
10.2 Metallic components
10.3 Deflation
10.4 Oral inflation systems
10.5 Actuation and rearming of manual and automatic inflation systems
10.6 Means for verification of mechanism operation
10.7 Indicators
11 Gas cylinders
11.1 General
11.1.1 Cylinder body
11.1.2 Cap
11.1.3 Gas charge
11.1.4 Surface protection
11.2 Materials
11.2.1 Cylinder body
11.2.2 Cap
11.2.3 Gas
11.3 Performance
11.3.1 Proof pressure
11.3.1.1 CO2-filled cylinder
11.3.1.2 Permanent gas-filled cylinders
11.3.2 Burst pressure
11.4 Marking
Appendix A
A.1 Principle
A.2 Apparatus
A.3 Procedure
A.4 Report
Cited references in this standard
ASTM D882
Standard Test Method for Tensile Properties of Thin Plastic Sheeting
[Current]
Textiles — Bursting properties of fabrics — Part 1: Hydraulic method for determination of bursting strength and bursting distension
[Current]
Textiles — Tear properties of fabrics — Part 2: Determination of tear force of trouser-shaped test specimens (Single tear method)
[Current]
Textiles — Tensile properties of fabrics — Part 2: Determination of maximum force using the grab method
[Current]
Textiles - Tensile properties of fabrics - Part 1: Determination of maximum force and elongation at maximum force using the strip method
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