ASTM F2178-17
(Test Method)Standard Test Method for Determining the Arc Rating and Standard Specification for Eye or Face Protective Products
Standard Test Method for Determining the Arc Rating and Standard Specification for Eye or Face Protective Products
SIGNIFICANCE AND USE
5.1 This test method is intended for the determination of the arc rating of a product/design, intended for use as eye or face protection for workers exposed to electric arcs.
5.1.1 Because of the variability of the arc exposure, different heat transmission values may be observed at individual sensors. The results of each sensor are evaluated in accordance with Section 12.
5.2 This test method maintains the specimen in a static, vertical position and does not involve movement except that resulting from the exposure.
5.3 This test method specifies a standard set of exposure conditions. Different exposure conditions may produce different results.
5.4 This specification covers the minimum performance criteria for arc resistance and other requirements for eye or face protective products used by workers who may be exposed to thermal hazards of momentary electric arcs or flame.
5.5 The purchaser has the option to perform or have performed any of these tests in order to verify the performance of the eye or face protective product. Claims for failure to meet the specification are subject to verification by the manufacturer.
Note 1: In addition to the standard set of exposure conditions, other conditions representative of the expected hazard may be used and shall be reported should this data be cited.
SCOPE
1.1 This test method and product specification is used to measure the arc rating and specify the requirements for products intended for use as eye or face protection for workers exposed to electric arcs that would generate heat flux values from 84 to 25 120 kW/m2 [2 to 600 cal/cm2s]. Products are tested as sold.
1.2 This test method determines an arc rating for eye or face protective products. The faceshield, safety spectacle, goggle or 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) but does specify requirements for optical and impact properties.
1.3 The materials covered by this standard are in the form of faceshields attached to the head by protective helmets (hard hats), headgear, hood assemblies, safety spectacles or goggles. Faceshields, safety spectacles or goggles are tested with or without other face and head protective products, for example, sock hoods, balaclavas, sweat shirt hoods or jacket hoods.
1.3.1 Fabric layers used in hood assemblies or other items tested under this standard shall meet the requirements of Specification F1506.
1.4 This test method 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 The values stated in SI units shall be regarded as standard except as noted. Within the text, alternate units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, alternate systems must be used independently of the other. Combining values from the systems described in the text may result in nonconformance with the method.
1.6 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.
1.7 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...
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Designation:F2178 −17
Standard Test Method for
Determining the Arc Rating and Standard Specification for
1
Eye or Face Protective Products
This standard is issued under the fixed designation F2178; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope independentlyoftheother.Combiningvaluesfromthesystems
described in the text may result in nonconformance with the
1.1 This test method and product specification is used to
method.
measure the arc rating and specify the requirements for
products intended for use as eye or face protection for workers 1.6 This standard does not purport to describe or appraise
exposed to electric arcs that would generate heat flux values the effect of the electric arc fragmentation explosion and
2 2
from 84 to 25120 kW⁄m [2 to 600 cal/cm s]. Products are subsequent molten metal splatter, which involves the pressure
tested as sold. wavecontainingmoltenmetalsandpossiblefragmentsofother
materialsexcepttotheextentthatheatenergytransmissiondue
1.2 Thistestmethoddeterminesanarcratingforeyeorface
tothesearcexplosionphenomenaisreducedbytestspecimens.
protectiveproducts.Thefaceshield,safetyspectacle,goggleor
1.7 This standard shall not be used to describe or appraise
orotherapplicableportionsofthecompleteproductmustmeet
the fire hazard or fire risk of materials, products,orassemblies
ANSI Z87.1. This excludes the textile or non ANSI Z87.1
under actual fire conditions. However, results of this test may
testable parts of the hood assemblies or other tested products.
be used as elements of a fire assessment which takes into
This standard does not measure optical and impact properties
account all of the factors which are pertinent to an assessment
(seeANSIZ87.1)butdoesspecifyrequirementsforopticaland
of the fire hazard of a particular end use.
impact properties.
1.8 This standard does not purport to address all of the
1.3 Thematerialscoveredbythisstandardareintheformof
safety concerns, if any, associated with its use. It is the
faceshields attached to the head by protective helmets (hard
responsibility of the user of this standard to establish appro-
hats), headgear, hood assemblies, safety spectacles or goggles.
priate safety, health and environmental practices and deter-
Faceshields, safety spectacles or goggles are tested with or
minetheapplicabilityofregulatorylimitationspriortouse.For
without other face and head protective products, for example,
specific precautions, see Section 7.
sock hoods, balaclavas, sweat shirt hoods or jacket hoods.
1.9 This international standard was developed in accor-
1.3.1 Fabric layers used in hood assemblies or other items
dance with internationally recognized principles on standard-
tested under this standard shall meet the requirements of
ization established in the Decision on Principles for the
Specification F1506.
Development of International Standards, Guides and Recom-
1.4 This test method shall be used to measure and describe
mendations issued by the World Trade Organization Technical
the properties of materials, products, or assemblies in response
Barriers to Trade (TBT) Committee.
to convective and radiant energy generated by an electric arc
2. Referenced Documents
under controlled laboratory conditions and does not purport to
2
predict damage from light other than the thermal aspects
2.1 ASTM Standards:
measured.
C177Test Method for Steady-State Heat Flux Measure-
ments and Thermal Transmission Properties by Means of
1.5 The values stated in SI units shall be regarded as
the Guarded-Hot-Plate Apparatus
standard except as noted. Within the text, alternate units are
D123Terminology Relating to Textiles
showninbrackets.Thevaluesstatedineachsystemmaynotbe
D3776Test Methods for Mass Per Unit Area (Weight) of
exact equivalents; therefore, alternate systems must be used
Fabric
D4391Terminology Relating to The Burning Behavior of
Textiles
1
This test method is under the jurisdiction of ASTM Committee F18 on
Electrical Protective Equipment for Workers and is the direct responsibility of
2
Subcommittee F18.65 on Wearing Apparel. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved July 1, 2017. Published August 2017. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 2002. Last previous edition approved in 2012 as F2178–12. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/F2178-17. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F2178 − 12 F2178 − 17
Standard Test Method for
Determining the Arc Rating and Standard Specification for
1
Eye or Face Protective Products
This standard is issued under the fixed designation F2178; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method and product specification is used to measure the arc rating and specify the requirements for products
intended for use as eye or face protection for workers exposed to electric arcs that would generate heat flux values from 84 to
2 2
25 120 kW/mkW ⁄m [2 to 600 cal/cm s]. Products are tested as sold.
1.2 This test method determines an arc rating for eye or face protective products. The faceshield, safety spectacle, goggle or 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) but does specify requirements for optical and impact properties.
1.3 The materials covered by this standard are in the form of faceshields attached to the head by protective helmets (hard hats),
headgear, hood assemblies, safety spectacles or goggles. Faceshields, safety spectacles or goggles are tested with or without other
face and head protective products, for example, sock hoods, balaclavas, sweat shirt hoods or jacket hoods.
1.3.1 Fabric layers used in hood assemblies or other items tested under this standard shall meet the requirements of Specification
F1506.
1.4 This test method 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 The values stated in SI units shall be regarded as standard except as noted. Within the text, alternate units are shown in
brackets. The values stated in each system may nonot be exact equivalents; therefore, alternate systems must be used independently
of the other. Combining values from the systems described in the text may result in nonconformance with the method.
1.6 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.
1.7 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.
1.8 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 safety, health and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use.For specific precautions, see Section 7.
1.9 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
1
This test method is under the jurisdiction of ASTM Committee F18 on Electrical Protective Equipment for Workers and is the direct responsibility of Subcommittee
F18.65 on Wearing Apparel.
Current edition approved Oct. 1, 2012July 1, 2017. Published November 2012August 2017. Originally approved in 2002. Last previous edition approved in 20082012 as
F2178 – 08.F2178 – 12. DOI: 10.1520/F2178-12.10.1520/F2178-17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Docume
...
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