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BS EN 60811-4-1:2004
Superseded
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Insulating and sheathing materials of electric and optical cables. Common test methods Methods specific to polypropylene and polypropylene compounds. Resistance to environmental stress cracking. Measurement of the melt flow index. Carbon black and/or mineral filter content measurement in PE by direct combustion. Measurement of carbon black content by TGA. Assessment of carbon black dispersion in polyethylene using a microscope
Hardcopy , PDF
31-07-2012
English
02-09-2004
1 General
1.1 Scope
1.2 Normative references
2 Terms and definitions
3 Test values
4 Applicability
5 Type tests and other tests
6 Pre-conditioning
7 Median value
8 Resistance to environmental stress cracking
8.1 General
8.2 Apparatus
8.3 Preparation of the test sheets
8.4 Conditioning of the test sheets
8.5 Visual examination of the test sheets
8.6 Test procedure
8.7 Evaluation of results
8.8 Summary of test conditions and requirements for
procedures A and B
9 Wrapping test after thermal ageing in air
10 Measurement of the melt flow index
10.1 General
10.2 Apparatus
10.3 Test samples
10.4 Cleaning and maintenance of the apparatus
10.5 Method A
10.6 Method C
11 Carbon black and/or mineral filler content measurement
in polyethylene - Direct combustion method
11.1 Sampling
11.2 Test procedure
11.3 Expression of results
12 Thermo gravimetric analysis of the carbon black content
in polyolefine compounds
12.1 Principle
12.2 Reagents
12.3 Apparatus
12.4 Procedure
13 Test for the assessment of carbon black dispersion in
polyethylene
13.1 General
13.2 Procedure
13.3 Expression of results
13.4 Requirements
Annex A (informative) Tools and reagents
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Bibliography
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