BSI PD CEN/TS 17308:2019
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Materials produced from end of life tyres. Steel wire. Determination of the non-metallic content
Published By | Publication Date | Number of Pages |
BSI | 2019 | 26 |
This document provides two different methods for the quantitative estimation of non-metallic content remaining adhered to the steel wire obtained from the recovery of materials from end-of-life tyres.
The pyrolysis method is considered as the reference method while the hydrostatic method is considered as an in-situ method.
This European Standard includes sample collection and the preparation of representative samples based on a sampling plan for the purpose of their characterization.
This European Standard does not cover the operational performance or fitness for use of the materials which are deemed to be a function of agreements between the manufacturer and the customer.
This European Standard does not purport to address all the safety concerns, if any, associated with its use. This European Standard does not establish appropriate safety and health practices and does not determine the applicability of regulatory limitations prior to its use.
PDF Catalog
PDF Pages | PDF Title |
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2 | undefined |
7 | 1 Scope 2 Normative references 3 Terms and definitions |
9 | 4 Testing programme 5 Determination of non-metallic content in steel wire 5.1 General 5.2 Preparation of sampling plan and laboratory sample 5.2.1 Principle of correct sampling 5.2.2 Sampling plan |
10 | 5.2.3 Definition of lot size 5.2.4 Sampling point and apparatus 5.2.5 Size of a sample increment 5.2.6 Number of sample increments |
11 | 5.2.7 Metrological characteristics of sampling 5.2.8 Visual assessment 5.3 Storage and transport of laboratory sample(s) 5.4 Laboratory sample(s) and test portion(s) 5.4.1 General principle 5.4.2 Laboratory sample 6 Determination by pyrolysis method 6.1 Principle 6.2 Apparatus 6.2.1 Analytical scales 6.2.2 Pyrolysis set-up |
12 | 6.2.3 Steel wire cleaning apparatus |
14 | 6.2.4 Magnets 6.2.5 Tray 6.3 Sampling 6.4 Determination |
15 | 6.5 Expression of results 7 Determination by hydrostatic method 7.1 Principle 7.2 Pretreatment 7.3 Apparatus 7.3.1 Analytical scale 7.3.2 Hydrostatic apparatus |
18 | 7.3.3 Reagents 7.4 Procedure 7.5 Calculation |
19 | 7.6 Metrological characteristics 8 Report |
21 | Annex A (informative)Example of a test report sheet |
22 | Annex B (informative)Schematic diagram of a pyrolyzer |
23 | Annex C (informative)Explanation of the formula used in the hydrostatic method |