1、 NFPA 2112 Standard on Flame-Resistant Clothing for Protection of Industrial Personnel Against Short-Duration Thermal Exposures from Fire 2018IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA STANDARDS NOTICE AND DISCLAIMER OF LIABILITY CONCERNING THE USE OF NFPA STANDARDS NFPA codes, standards, rec
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32、ll Rights Reserved. NFPA 2112 Standard on Flame-Resistant Clothing for Protection of Industrial Personnel Against Short-Duration Thermal Exposures from Fire 2018 Edition This edition of NFPA 2112, Standard on Flame-Resistant Clothing for Protection of Industrial Personnel Against Short-Duration Ther
33、mal Exposures from Fire, was prepared by the Technical Committee on Flash Fire Protective Garments and acted on by NFPA at its June Association Technical Meeting held June 47, 2017, in Boston, MA. It was issued by the Standards Council on August 17, 2017, with an effective date of September 6, 2017,
34、 and supersedes all previous editions. This edition of NFPA 2112 was approved as an American National Standard on September 6, 2017. Origin and Development of NFPA 2112 The NFPA Standards Council established the Technical Committee on Flash Fire Protective Garments in 1998. Between February and Augu
35、st of 1999, the technical committee developed two draft standards: NFPA 2112 and NFPA 2113, Standard on Selection, Care, Use, and Maintenance of Flame- Resistant Garments for Protection of Industrial Personnel Against Flash Fire, which were then released for public proposals and comments. NFPA 2112
36、species the minimum design, performance, certication requirements, and test methods for ame-resistant garments for use in areas at risk from ash res. The rst editions of NFPA 2112 and NFPA 2113 were approved by the NFPA membership at the May 2001 NFPA World Fire Safety Congress and were issued by th
37、e Standards Council in July 2001. The 2007 edition revised the scope to clarify that the standard applies to the performance of fabrics and components of garments and not the garment itself. The scope was also modied to indicate that NFPA 2112 does not apply to single-use or limited-use garments. Th
38、e committee pursued the development of separate documents to address the design, testing, certication, selection, and use of those garments. This revision also incorporated updates to reference test methods and the method for calculating total heat ux. The 2012 edition updated the term thermal prote
39、ctive performance to heat transfer performance and incorporated ASTM F2700, Standard Test Method for Unsteady-State Heat Transfer Evaluation of Flame Resistant Materials for Clothing with Continuous Heating, as the test method. The test method previously shown in the standard was removed, because it
40、 duplicated the ASTM F2700 method. A denition for cold weather insulation material and testing requirements were added to ensure that garments incorporating such insulation material are properly tested and certied. The 2012 edition claried certain aspects of the laundering requirements to prevent th
41、e presence of residual detergent during testing. For the 2018 edition, the technical committee has rened the term ash re to short duration thermal exposure from re , which is a more descriptive term for the hazard that the standards address. Revisions have been made to change the terms. The term inh
42、erent ame resistance also has been added to the standard from NFPA 1971, Standard on Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting. New garments have been added to the standard, including shrouds/hoods/balaclavas as one item, and gloves. Shrouds/hoods/balaclavas have
43、been dened to cover those items intended to protect the head and/or neck. Gloves have been dened as garments designed to protect the hands and wrist. For now, the technical committee has decided to include only performance and construction requirements for these garments without an ASTM F1930, Stand
44、ard Test Method for Evaluation of Flame Resistant Clothing for Protection Against Fire Simulations Using an Instrumented Manikin,FLAME-RESISTANT CLOTHING FOR INDUSTRIAL PERSONNEL AGAINST SHORT-DURATION THERMAL EXPOSURES FROM FIRE 2112-2 2018 Edition style test. These requirements include, but are no
45、t limited to, construction, thermal shrinkage, heat transfer protective performance, ame resistance, thread, hardware, and interlinings. TIA 12-2 was issued to address cold weather insulation and interlining for the 2012 edition. Prior to the issuance of the TIA, testing for afterame, re resistance,
46、 and thermal shrinkage had been performed on materials in a conguration not representative of that seen in application. Typically, these materials serve as internal insulation when used in garments in the eld, and therefore not directly exposed to re. However, during testing, the materials had been
47、directly exposed to re, which resulted in restricted use of cold weather gear without adding additional safety to the garments. The TIA incorporated modications to the testing requirements for cold weather and interlining materials for the 2012 edition to allow the use of these materials in NFPA 211
48、2 gear. For the 2018 edition, the technical committee has incorporated these allowances for the performance and testing requirements. New requirements have been added for emblems that are represented as ame resistant. Separate testing requirements have been added to conrm that the re-resistant emble
49、ms provide the desired performance. Reective striping also now needs to be tested for ame resistance. Finally, due to a concern about variability in the ASTM F1930 testing standard, the technical committee has added two requirements to the testing apparatus to address variability. First, the lab must verify the response from the sensors to a heat ux before being mounted on the manikin. Second, the TC has added a requirement for two standard reference garments which are constructed of known materials with known results. Before a
