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Standard Practice for Conditioning Paper and Paper Products for Testing
Automaticky přeložený název:
Standardní praktiky pro klimatizace papíru a papírových produktů pro testování
NORMA vydána dne 1.11.2012
Označení normy: ASTM D685-12
Poznámka: NEPLATNÁ
Datum vydání normy: 1.11.2012
Kód zboží: NS-36764
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
conditioning, paper, paper products, reconditioning, standard atmosphere, ICS Number Code 85.060 (Paper and board)
Significance and Use | ||||||||||
3.1 The preconditioning requirement is important because physical properties of a sample at 50 % relative humidity depend upon whether the sample is brought to 50 % from a higher or lower relative humidity. A detailed discussion of the importance of preconditioning may be found in Annex A1. 3.2 The conditioning and testing atmospheres are important because both temperature and relative humidity have significant effects on the physical properties of paper and board. A more detailed discussion of the importance may be found in 1.1 This practice defines the standard atmospheres for normal preconditioning, conditioning, and testing of paper and paper products, paperboard, fiberboard, and containers made from them. It also specifies procedures for handling these materials in order that they may reach equilibrium with the respective atmosphere. 1.2 This practice does not include special conditioning and testing atmospheres, such as those that attempt to simulate tropical or arctic environments. 1.3 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. |
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2. Referenced Documents | ||||||||||
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