BS EN ISO 4590:2016 – TC:2020 Edition
$217.84
Tracked Changes. Rigid cellular plastics. Determination of the volume percentage of open cells and of closed cells
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 70 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 40 | European foreword |
| 42 | Foreword |
| 43 | Introduction |
| 45 | 1 Scope 2 Normative references 3 Terms and definitions |
| 46 | 4 Principle 5 Test specimens 5.1 Number |
| 47 | 5.2 Preparation 5.3 Dimensions 5.4 Sectioning of test specimens 6 Conditioning and test atmospheres 7 Measurement of surface area S and geometrical volume Vg |
| 48 | 8 Determination of impenetrable volume Vi by methodĀ 1: pressure variation (pyknometer) |
| 49 | 8.1 Principle of methodĀ 1 8.2 Description of apparatus for methodĀ 1 |
| 51 | 8.3 Calibration of pyknometer apparatus |
| 52 | 8.4 Procedure for methodĀ 1 |
| 53 | 8.5 Calculation for methodĀ 1 9 Determination of impenetrable volume Vi by methodĀ 2: volume expansion 9.1 Principle of methodĀ 2 |
| 54 | 9.2 Description of apparatus for methodĀ 2a |
| 55 | 9.3 Calibration of apparatus for methodĀ 2a |
| 58 | 9.4 Procedure and calculation for methodĀ 2a 9.5 Description of apparatus for methodĀ 2b |
| 59 | 9.6 Calibration of apparatus for method 2b 9.7 Test procedure for methodĀ 2b |
| 60 | 9.8 Test sequence for method 2b |
| 61 | 9.9 Calculations and expression of results for method 2b 10 Correction for specimen surface cells opened during specimen preparation 10.1 For the pressure-variation method (see ClauseĀ 8) 10.2 For the volume-expansion method (see ClauseĀ 9) |
| 62 | 11 Expression of results 11.1 Apparent volume percentage of open cells 11.2 Corrected volume percentage of open cells |
| 63 | 12 Precision |
| 64 | 13 Test report |
| 65 | AnnexĀ A (normative) Notes on procedure |
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