ISO 6964:2019
Polyolefin pipes and fittings — Determination of carbon black content by calcination and pyrolysis — Test method
This document specifies test methods for the determination of the carbon black content of polyolefin compositions used in particular for the manufacture of pipes and fittings, and provides a basic specification for polyethylene pipes and fittings.
This document applies equally to the material for manufacture and to any material taken from a pipe or fitting.
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Foreword
1 Scope
2 Normative references
3 Principle
4 Method A: Electrical tube furnace
4.1 Reagents
4.2 Apparatus
4.3 Procedure
4.3.1 Test conditions
4.3.2 Sampling
4.3.3 Conditioning
4.3.4 Silica sample boat preparation for the test
4.3.5 Test portion
4.3.6 Determination
4.4 Calculation and expression of results (Method A)
5 Method B1 or B2: Muffle furnace (conventional B1) or (microwave B2)
5.1 Apparatus
5.2 Procedure
5.2.1 Test conditions
5.2.2 Conditioning
5.2.3 Sampling
5.2.4 Crucible preparation for the test
5.2.5 Test portion
5.2.6 Determination
5.3 Calculation and expression of results (Method B1 and B2)
6 Method C: Thermogravimetric analyzer (TGA)
6.1 Apparatus
6.2 Procedure
6.2.1 Conditioning
6.2.2 Sampling
6.2.3 Test portion
6.2.4 Temperature scanning program
6.2.5 Gas-flow rate
6.2.6 Determination
6.3 Calculation and expression of results (Method C)
7 Test report
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AS/NZS 1254:2010
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AS/NZS 1254:2010 A1
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AS/NZS 1254:2010 A2
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Foreword
1 Scope
2 Normative references
3 Principle
4 Method A: Electrical tube furnace
4.1 Reagents
4.2 Apparatus
4.3 Procedure
4.3.1 Test conditions
4.3.2 Sampling
4.3.3 Conditioning
4.3.4 Silica sample boat preparation for the test
4.3.5 Test portion
4.3.6 Determination
4.4 Calculation and expression of results (Method A)
5 Method B1 or B2: Muffle furnace (conventional B1) or (microwave B2)
5.1 Apparatus
5.2 Procedure
5.2.1 Test conditions
5.2.2 Conditioning
5.2.3 Sampling
5.2.4 Crucible preparation for the test
5.2.5 Test portion
5.2.6 Determination
5.3 Calculation and expression of results (Method B1 and B2)
6 Method C: Thermogravimetric analyzer (TGA)
6.1 Apparatus
6.2 Procedure
6.2.1 Conditioning
6.2.2 Sampling
6.2.3 Test portion
6.2.4 Temperature scanning program
6.2.5 Gas-flow rate
6.2.6 Determination
6.3 Calculation and expression of results (Method C)
7 Test report