ASTM D661: A new test offered at Micom Laboratories
Micom Laboratories now offers the ASTM D611 standard as part of its paint testing and coating testing services . This method provides a visual aid which serves as a reference for the characterization of the magnitude of the failure evinced on paint films. More particularly, this test protocol provides information which enables the adequate identification of the type of cracking present on the specimen. However, the latter does not detail a methodology which conditions the sample before its evaluation. Thus, it is essential to pair this practice with another standard in order to assess this attribute. For instance, this method may be associated with an accelerated aging test as a means to evaluate this property.
ASTM D661 test
The goal of ASTM D661 is to provide a tool that will aid in the visual inspection of the cracking of exterior paints present on the specimen. More specifically, this standard provides illustrations of a line type cracking as a means to enlighten its characteristics in order to distinguish with ease the other class of cracking. In other words, those photographs depict a specific type of failure and due to the fact that they do not portray the whole range of possibilities, it is necessary to interpret those images in order to deduce accurately the type of failure present on the specimen. On another vein, it is important to mention that the scope of this test is to evaluate the magnitude of the cracking of exterior paints and the latter does not furnish a methodology which allows to condition the sample before its assessment. Hence, it is essential to associate this test protocol with another standard as a means to evaluate the characteristics of the paint film.
Micom offers polymer testing services for a wide selection of material and products. For more information about the ASTM D661 test, we invite you to contact our material testing laboratory today. It will be our pleasure to answer your questions about either of those tests.
Micom Laboratories is a third party industrial material testing laboratory accredited by the Standards Council of Canada, CGSB, ISTA and many other organizations.
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