ISO 4708:2017
Composition cork — Gasket material — Test methods
ISO 4708:2017 specifies test methods to determine the characteristics of agglomerated composition cork and rubbercork to be used as gaskets in the mechanical industry. The following characteristics are considered:
- thickness,
- apparent density,
- tensile strength,
- compressibility and recovery,
- flexibility,
- resistance to boiling water,
- behaviour in fluids.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Reagents
6 Sampling and preparation of test specimens
6.1 Sampling
6.2 Preparation of the test specimens
6.3 Conditioning
7 Tests
7.1 Determination of thickness
7.2 Determination of apparent density
7.3 Determination of tensile strength
7.4 Determination of compressibility and recovery
7.5 Resistance to boiling water
7.6 Flexibility
7.6.1 Method A
7.6.2 Method B
7.7 Behaviour of composition cork and rubbercork in fluids
7.7.1 Behaviour in ASTM IRM 903 oil
7.7.2 Behaviour in ASTM IRM 901 oil
7.7.3 Behaviour in ASTM Fuel A (or equivalent)
8 Test report
Annex A (normative) Reagents’ characteristics
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Reagents
6 Sampling and preparation of test specimens
6.1 Sampling
6.2 Preparation of the test specimens
6.3 Conditioning
7 Tests
7.1 Determination of thickness
7.2 Determination of apparent density
7.3 Determination of tensile strength
7.4 Determination of compressibility and recovery
7.5 Resistance to boiling water
7.6 Flexibility
7.6.1 Method A
7.6.2 Method B
7.7 Behaviour of composition cork and rubbercork in fluids
7.7.1 Behaviour in ASTM IRM 903 oil
7.7.2 Behaviour in ASTM IRM 901 oil
7.7.3 Behaviour in ASTM Fuel A (or equivalent)
8 Test report
Annex A (normative) Reagents’ characteristics
Bibliography