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ASTM D6905-03(2008)
Standard Test Method for Impact Flexibility of Organic Coatings
3 стр.
Заменен
Печатное изданиеЭлектронный (pdf)
84.24 $ (включая НДС 20%)
Разработчик:
Зарубежные/ASTM
ICS:
25.220.60 Organic coatings / Органические покрытия
Сборник (ASTM):
06.01 Paint –– Tests for Chemical, Physical, and Optical Properties; Appearance / Красители – Испытания на Химические, Физические и Оптические свойства; Внешний вид
Тематика:
Paints & Related Coatings
Описание
Значение и использование

Coatings attached to substrates are subjected to damaging impacts during the manufacture of articles and their use in service. This impact resistance test method has been found to be useful in predicting the performance of organic coatings for their ability to resist cracking caused by impacts.

Область применения

1.1 This test method covers a procedure for determining the ability of a coating film and its substrate to resist shattering, cracking, or chipping when the film and substrate are distended beyond their original form by impact.

1.2 This test method does not measure impact resistance but uses rapid impact to improve Test Methods D 522, another test method for flexibility. Since the impact of the coating is almost instantaneous, all of the problems associated with time variables in the mandrel tests are eliminated.

1.3 This test method is similar in content but not technically equivalent to Test Method D 2794.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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.

Ключевые слова:
cracking failure; extrusion indentation; impact failure; intrusion indentation; Cracking--coatings; Coatings (paint/related applications); Impact resistance; Impact testing; Indentation