BS EN 13206:2017
$198.66
Plastics. Thermoplastic covering films for use in agriculture and horticulture
| Published By | Publication Date | Number of Pages |
| BSI | 2017 | 56 |
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PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 6 | European foreword |
| 7 | 1 Scope 2 Normative references |
| 8 | 3 Terms and definitions |
| 9 | 4 Types and use Table 1 — Characteristics and use of covering films |
| 10 | 5 Material 6 Durability Table 2 — Resistance to weathering classification |
| 11 | 7 Requirements 7.1 General requirements Table 3 — Requirements for non-thermal films |
| 12 | Table 4 — Requirements for thermal clear films |
| 13 | Table 5 — Requirements for thermal diffusing films 7.2 Requirement for appearance |
| 14 | 8 Test methods 8.1 Determination of thickness 8.2 Determination of width 8.3 Determination of tensile characteristics 8.4 Determination of impact resistance 8.4.1 General 8.4.2 Flat area 8.4.3 Fold area |
| 15 | Figure 1 — Position of impact on folds 8.5 Determination of elongation under a steady load (creep test) 8.5.1 Principle 8.5.2 Apparatus |
| 16 | Figure 2 — Typical apparatus 8.5.3 Test pieces 8.5.4 Test conditions 8.5.5 Test procedure |
| 17 | 8.5.6 Expression of results 8.6 Determination of visible light transmission 8.7 Determination of haze 8.8 Determination of IR effectiveness (ηir) (thermal clear and thermal diffusing films) 8.8.1 Principle 8.8.2 Apparatus |
| 18 | 8.8.3 Test procedure 8.8.4 Expression of results 8.9 Determination of resistance to weathering 8.9.1 Principle 8.9.2 Exposure to xenon-arc lamps Table 6 — Exposure cycle and test conditions |
| 19 | 8.9.3 Procedure 8.9.4 Calculation and expression of results 8.10 Determination of the chlorine content of used films 8.11 Determination of the sulfur content of used films 8.12 Determination of the roll/sheet length |
| 20 | 9 Film acceptance, storage and handling 9.1 Acceptance 9.2 Storage and handling of rolls 10 Designation |
| 21 | 11 Marking 12 Instructions for installation, use of covering films 13 Instructions for disposal and end-of-life of covering films |
| 22 | Annex A (informative) Exposure to other light sources A.1 Medium pressure mercury vapour lamps A.1.1 Durability classification Table A.1 — Durability classification A.1.2 Exposure to medium pressure mercury vapour lamps A.1.2.1 Exposure method A.1.2.2 Irradiance |
| 23 | A.1.2.3 Temperature A.1.2.4 Apparatus calibration A.1.3 Procedure A.1.4 Calculation and expression of results |
| 24 | A.2 Fluorescent UV lamps A.2.1 Durability classification Table A.2 — Durability classification A.2.2 Exposure to fluorescent UV lamps A.2.3 Procedure |
| 25 | A.2.4 Calculation and expression of results |
| 26 | Annex B (informative) Empirical correlation between durations of covering films exposed to artificial weathering and a natural exposure B.1 Exposure to xenon-arc lamps Table B.1 — Correlation between the exposure to artificial weathering using xenon-arc lamps at 0,35 W/(m2⋅nm) and natural weathering |
| 28 | Figure B.1 — Correlation chart – Duration to exposure to xenon-arc lamps at 0,35 W/(m2⋅nm) and global solar radiant exposure |
| 29 | B.2 Exposure to medium pressure mercury vapour lamps Table B.2 — Correlation between the exposure using medium pressure mercury vapour lamps and natural weathering B.3 Exposure to fluorescent UV lamps Table B.3 — Correlation between the exposure using fluorescent UV-A lamps and natural weathering |
| 30 | Annex C (normative) Determination of the chlorine content by coulometry C.1 Principle C.2 Apparatus and reagents C.3 Test procedure C.3.1 General |
| 31 | C.3.2 Conditioning C.3.3 Verification of the apparatus |
| 32 | C.3.4 Sample analysis C.4 Calculation and expression of the results C.5 Test report |
| 33 | C.6 Precision C.7 Determination of chlorine in the presence of benzotriazole |
| 34 | Annex D (normative) Determination of the sulfur content by ICP- OES technique D.1 Scope D.2 Instruments and reagents D.2.1 Instruments D.2.2 Reagents D.3 Method of analysis D.3.1 General principles of ICP-OES |
| 35 | D.3.2 Instrumental conditions D.4 References preparation and calibration D.4.1 General D.4.2 Calibration Blank preparation D.4.3 Internal standard solution D.4.4 S calibration reference |
| 36 | D.5 Sample preparation (digestion) D.6 Sulfur measurement D.7 Expression of results D.8 Sulfur determination in case of presence of Ni quenchers D.9 Examples of conditions D.9.1 Instrumental conditions ICP-OES |
| 37 | D.9.2 Internal preparation and Calibration Blank preparation D.9.2.1 General D.9.2.2 Internal reference solution D.9.2.3 Calibration reference solution |
| 38 | Annex E (informative) Alternative method for the determination of chlorine and sulfur contents by X-ray fluorescence E.1 Principle E.2 Introduction E.3 Apparatus E.3.1 Equipment E.3.2 Sample holder E.4 Test procedure E.5 Calculation and expression of the result |
| 39 | E.6 Test report |
| 40 | Annex F (informative) Alternative methods for the determination of sulfur content by ultraviolet fluorescence method or by coulometry F.1 Principle F.2 Ultraviolet fluorescence method F.2.1 Principle F.2.2 Apparatus |
| 41 | F.2.3 Preparation of reference solutions Table F.1 — Reference solutions F.2.4 Preparation of samples F.2.5 Test procedure |
| 42 | F.2.6 Calculation and expression of results F.2.7 Test report F.2.8 Precision F.3 Coulometry F.3.1 Principle F.3.2 Apparatus |
| 43 | F.3.3 Preparation of reference solutions Table F.2 — Reference solutions F.3.4 Preparation of samples |
| 44 | F.3.5 Test procedure F.3.6 Calculation and expression of results F.3.7 Test report F.3.8 Precision |
| 45 | Annex G (informative) Guidance for installation, use and disposal of covering films G.1 Greenhouse covering films G.1.1 Installation instructions G.1.1.1 Worksite preparation G.1.1.2 Film installation |
| 46 | G.1.1.3 Film protection G.1.2 Use conditions G.1.2.1 Ventilation G.1.2.2 Film tightness |
| 47 | G.1.2.3 Film maintenance G.1.2.4 Plant protection products G.1.2.5 Periodical inspections G.1.2.6 Pollinators |
| 48 | G.1.3 Durability of greenhouse covering films G.1.3.1 General G.1.3.2 Convention for seasons G.1.3.3 Abnormal weather conditions G.1.3.4 Durability of greenhouse covering films |
| 50 | G.1.3.5 Crop protection products |
| 51 | G.2 Low tunnel covering films G.2.1 Use G.2.2 Installation instructions G.2.2.1 Worksite preparation G.2.2.2 Installation of the film G.2.3 Use conditions G.2.3.1 Ventilation G.2.3.2 Removal for subsequent use G.2.3.3 Regular inspections G.2.3.4 Durability of low tunnel covering films |
| 52 | G.3 Removal instructions |
| 53 | Annex H (informative) Industrial standard formats of films Figure H.1 — Industrial standard film formats |
| 54 | Bibliography |
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BS EN 13206:2017+A1:2020
Plastics. Thermoplastic covering films for use in agriculture and horticulture Published By Publication Date Number…
