BS EN 14458:2018 – TC:2020 Edition
$217.84
Tracked Changes. Personal eye-equipment. High performance visors intended only for use with protective helmets
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 103 |
This European Standard specifies the minimum requirements for visors designed specifically to be used only with protective helmets, including but not limited to those conforming to EN 443, EN 14052, EN 16471 and EN 16473 as the situation dictates. These visors may be permanently fitted to, or removable from, the helmet. See the scope of the various helmet standards for applications. These visors are not intended to protect against smoke and gas /vapour hazards. Three types of visors in two forms are described in this document. The two forms are: – face guards provide both eye and face protection, and – eye guards that are shorter and effectively provide only eye protection. The three types are: – Visors for general use: Eye guards and face guards providing resistance and/or protection against mechanical, liquid chemical and basic physical hazards. – Visors with increased thermal performance: Face guards that additionally provide resistance and/or protection against higher than basic levels of heat and flame. This additional requirement is not applicable for eye guards. – Mesh visors: Eye guards and face guards that incorporate mesh oculars with defined levels of performance from EN 1731, and other additional mechanical requirements described in this standard. Visors for sporting use, those with corrective effect, and goggles used with a protective helmet are not covered by this standard.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 63 | National foreword |
| 67 | European foreword |
| 68 | 1 Scope 2 Normative references |
| 69 | 3 Terms and definitions 4 Classification 4.1 General |
| 70 | 4.2 Visor for general use 4.3 Face guards with increased thermal performance 4.4 Mesh visor |
| 71 | 5 Performance requirements 5.1 General 5.2 Visors for general use 5.2.1 Construction |
| 72 | 5.2.2 Materials 5.2.3 Resistance to UV radiation 5.2.4 Cleaning and disinfection 5.2.5 Resistance to thermal shock 5.2.6 Resistance to corrosion 5.2.7 Vision |
| 73 | 5.2.8 Area to be protected 5.2.9 Electrical properties 5.2.10 Protection against high speed particles |
| 74 | 5.2.11 Flammability 5.2.12 Resistance to contact with liquid chemicals |
| 75 | 5.2.13 Visors attached to helmets with radiant heat performance 5.2.14 Ergonomics and practical performance |
| 76 | 5.3 Face guards with increased thermal performance 5.3.1 General |
| 77 | 5.3.2 Radiant heat 5.3.3 Flammability 5.3.4 Resistance to molten metals and hot solids |
| 78 | 5.4 Mesh visors 5.5 Optional requirements 5.5.1 General 5.5.2 Optical filtering performance 5.5.3 Protection against high speed particles with high energy impact |
| 79 | 5.5.4 Resistance to fogging 5.5.5 Abrasion resistance 6 Test methods 6.1 Nominal values and tolerances 6.2 Conditioning and test sample numbers 6.2.1 General |
| 80 | 6.2.2 Ultraviolet (UV) ageing 6.2.3 Thermal shock conditioning 6.2.4 Thermal plus conditioning 6.2.5 Thermal minus conditioning 6.3 Visual inspection |
| 81 | 6.4 Electrical properties tests 6.4.1 Conductive headform test 6.4.2 Surface insulation test 6.5 Radiant heat protection |
| 82 | 6.6 Flammability test for visors for general use 6.7 Flammability test for face guards with increased thermal performance |
| 83 | 6.8 Test for resistance to liquid chemicals 6.9 Practical performance test 6.9.1 Test conditions 6.9.2 Test subjects 6.9.3 Equipment to be tested 6.9.4 Preparation for the test |
| 84 | 6.9.5 Test procedure |
| 85 | 7 Marking 7.1 General 7.2 Markings on visor |
| 86 | 7.3 Markings on means of fixing |
| 87 | 8 Information |
| 89 | Annex A (normative) Tables of conditioning/ testing schedule |
| 94 | Annex B (normative) Taber abrasion resistance test method |
| 98 | Annex C (informative) Test report and uncertainty of measurement |
| 100 | Annex ZA (informative) Relationship between this European Standard and the essential requirements of Regulation (EU) 2016/425 aimed to be covered |
| 102 | Bibliography |
