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Standard Test Method for Determining The Arc Rating Of Face Protective Products
Automatische name übersetzung:
Standard Test Methode zur Bestimmung der Arc Rating Of Face Protective Products
NORM herausgegeben am 10.4.2002
Bezeichnung normen: ASTM F2178-02
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 10.4.2002
SKU: NS-53083
Zahl der Seiten: 11
Gewicht ca.: 33 g (0.07 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
arc rating, electric arc, faceshield, hood, ICS Number Code 13.340.20 (Head protective equipment)
1. Scope | ||||||||||||||||||||
1.1 This test method is used to measure the arc rating of products intended for use as face protection for workers exposed to electric arcs. 1.2 This test method will measure the arc rating of face protective products. The faceshield or other applicable portions of the complete product must meet ANSI Z87.1. This excludes the textile or non ANSI Z87.1 testable parts of the hood assemblies or other tested products. This standard does not measure optical and impact properties (See ANSI Z87.1). 1.3 The materials used in this method are in the form of faceshields attached to the head by protective helmets (hard hats), headgear, or hood assemblies. 1.3.1 Fabric layers used in hood assemblies or other items tested under this standard meet flammability requirements of Specification F 1506. 1.4 This standard shall be used to measure and describe the properties of materials, products, or assemblies in response to convective and radiant energy generated by an electric arc under controlled laboratory conditions and does not purport to predict damage from light other than the thermal aspects measured. 1.5 Units—The values stated in either SI units or in other units shall be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way. 1.6 This standard shall not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire assessment, which takes into account all of the factors, which are pertinent to an assessment of the fire hazard of a particular end use. 1.7 This standard does not purport to describe or appraise the effect of the electric arc fragmentation explosion and subsequent molten metal splatter, which involves the pressure wave containing molten metals and possible fragments of other materials except to the extent that heat energy transmission due to these arc explosion phenomena is reduced by test specimens. 1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific precautions, see Section 7. |
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