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Standard Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature
Automaticky přeložený název:
Standardní zkušební metoda pro lineární změny rozměrů Nonrigid termoplasty fólií nebo filmu při zvýšené teplotě
NORMA vydána dne 1.3.2014
Označení normy: ASTM D1204-14
Poznámka: NEPLATNÁ
Datum vydání normy: 1.3.2014
Kód zboží: NS-16623
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
film, sheeting, temperature, thermoplastic, ICS Number Code 83.140.10 (Films and sheets)
Significance and Use | ||||||||||
4.1 This test method is particularly applicable to nonrigid thermoplastic sheeting or film made by the calender or extrusion process. The test gives an indication of lot-to-lot uniformity in regards to the degree of internal strains introduced during processing. 4.2 The heating medium in this test method is air and does not necessarily yield the same results as Test Method D2732, which uses a liquid medium. 4.3 Before proceeding with this test method, review the specifications of the material being tested, if available. Any test specimen preparation, conditioning, dimensions, or testing parameters, or combination thereof, covered in the relevant ASTM material specification shall take precedence over those mentioned in this test method. If there are no relevant ASTM material specifications, then the default conditions apply. Table 1 of Classification System D4000 lists the ASTM material standards that currently exist. |
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1. Scope | ||||||||||
1.1 This test method covers the measurement of changes in linear dimensions of nonrigid thermoplastic sheeting or film that result from exposure of the material to specified conditions of elevated temperature and time. 1.2 The values stated in SI units are to be regarded as the standard. 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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Standard Test Method for Unrestrained Linear Thermal Shrinkage of Plastic Film and Sheeting
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Standard Classification System for Specifying Plastic Materials
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ISO?11501
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Plastics: Film and Sheeting--Determination of Dimensional Change on Heating Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
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Standard Practice for Conditioning Plastics for Testing
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Standard Terminology Relating to Plastics |
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