Relevant U.S. standards for arc safety
Tag:
Arc Safety Standards Flame Retardant Textile Materials Arc Resistant Fabrics Arc Protection
Standard 1: ASTM F1506 Standard Performance Specification for Textile Materials:
ASTM F1506 establishes performance specifications for flame-retardant textile materials used in clothing for electrical workers who are exposed to flash arcs and other thermal hazards. Relevant requirements for ASTM F1506 protection include vertical combustion method (new material after water washing) and arc classification.
In addition, the standard requires that the fabric is not easily ignited or can contain the burning and extinguish itself after being ignited. The flame retardant performance is tested by the FTM 5903.1 vertical burning method (the maximum damage length after being exposed to flame for 2 seconds is approximately 15 cm). The arc rating is evaluated by ATPV value or EBT value after passing ASTM F1959 test.
Standard 2: ASTM F1891 Standard specification for arc-proof and flame-retardant raincoats:
This standard applies to flame-retardant and waterproof materials for raincoats, which can be produced using flame-retardant coatings or laminated fabrics. Its flame retardant properties are measured by the ASTM D-6413 vertical combustion method, and the ATPV value also needs to be recorded. Measure 5 times through the ASTM F1959 arc thermal performance test method and select the smaller EBT value for recording.
Standard 3: NFPA 70E Electrical Safety Requirements Standard in Work Environment:
In The newer version of the NFPA 70E standard published by the National Fire Protection Association in the United States in 2004 contains rules for safe use of electricity in all aspects of the working environment in various industries. NFPA 70E recommends that when an arc occurs, arc protection and flame-retardant personal equipment must meet the performance standards of ASTM F1506, ASTM F1891 and ASTM F2178 when used, and the revised version requires companies to conduct arc hazard prevention in advance. Analysis to determine arc safety limits. This standard is set to protect workers within arc safety boundaries by using protective clothing with an ATPV value corresponding to the hazard risk classification. The unit of ATPV value is cal/cm2, which represents the arc thermal protection value and is used to reflect the maximum protective performance of arc protection materials, especially arc protective clothing.
The arc-proof fabrics and arc protective clothing produced by City Textile can meet the ASTM F 1506, NFPA70E of the United States and EN IEC61482-1-2 of the European Union, etc. standard.
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