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Last Updated: Dec 31, 2010
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ASTM D1790-02
Standard Test Method for Brittleness Temperature of Plastic Sheeting by Impact
Standard Test Method for Brittleness Temperature of Plastic Sheeting by Impact
D1790-02
ASTM|D1790-02|en-US
Standard Test Method for Brittleness Temperature of Plastic Sheeting by Impact
Standard
D1790 Standard Test Method for Brittleness Temperature of Plastic Sheeting by Impact>
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Significance and Use
Data obtained by this test method may be used to predict the behavior of plastic sheeting at low temperatures only if the conditions of deformation are similar to those specified in this test method. This test method is useful for specification testing and for comparative purposes, but does not necessarily measure the lowest temperature at which the plastic sheeting may be used.
It has been demonstrated that on calendered sheeting the brittleness temperature is sensitive to the direction of fold. It has also been demonstrated that the brittleness temperature is sensitive to the direction of sampling. Therefore, it is imperative that the procedure for taking specimens and folding be followed explicitly.
Scope
1.1 This test method covers the determination of that temperature at which plastic sheeting 1.00 mm (0.040 in.) or less in thickness exhibits a brittle failure under specified impact conditions.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
Note 1—This test method was developed jointly with the Society of the Plastics Industry, primarily for use with plasticized vinyl sheetings. Its applicability to other plastic sheetings must be verified by the user.
1.3 This standard does not purport to address 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. Specific precautionary statements are given in Note 4.
Note 3—This test method is similar to ISO 8570-1991 in title only. The technical content is significantly different.