Norm

ASTM D1525-09

Standard Test Method for Vicat Softening Temperature of Plastics

54,27

Over deze norm

Status Definitief
Aantal pagina's 10
Commissie D20.30
Gepubliceerd op 15-11-2009
Taal Engels

1.1 This test method covers determination of the temperature at which a specified needle penetration occurs when specimens are subjected to specified controlled test conditions.

1.2 This test method is not recommended for ethyl cellulose, nonrigid poly(vinyl chloride), poly(vinylidene chloride), or other materials having a wide Vicat softening range.

1.3 The values stated in SI units are to be regarded as standard.

1.4 Due to the potential safety and environmental hazards associated with mercury-filled thermometers, the use of alternative temperature measuring devices (such as thermocouples and RTDs) is encouraged.

1.5 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.

Note 1—This test method is equivalent to ISO 306 in all sections with the exceptions of the allowance for creep, prior to the beginning of the test and the allowance of the fluidized powder as a heat transfer medium.

Details

ICS-code 83.080.01
Nederlandse titel Standard Test Method for Vicat Softening Temperature of Plastics
Engelse titel Standard Test Method for Vicat Softening Temperature of Plastics

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