ASTM D3451 PDF

This standard provides a categorization of the many protocols available for the testing of powder coatings. More specifically, this guide covers the choice and the use of methods that are put at disposal for the assessment of the attributes of a sample. Lastly, no eminence of standards is established when more than one test satisfies the end objective. The purpose of this guide is to convey information regarding the numerous coating tests that are available. Indeed, table 1 of present practice groups each test by the targeted attributes and it makes it easier to select the appropriate test for the right circumstances.

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The test methods included are listed in Table 1. Where more than one test method is listed for the same characteristic, no attempt is made to indicate superiority of one method over another.

Selection of the methods to be followed must be governed by experience and the requirements in each individual case, together with agreement between the purchaser and the seller. No other units of measurement are included in this standard.

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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Accelerated testing, cured weight loss, Coating powders, Gel time, Optical properties, Particle size distribution, Plate flow, Powder coatings, Transfer efficiency.

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ASTM D 3451 – 01 pdf free download

ASTM D A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Scope 1. The test methods included are listed in Table 1.

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ASTM D3451 - 06(2017)

Historical Version s - view previous versions of standard. More D It is applicable to both thermoplastic and thermoset coatings, unless indicated otherwise. By design this guide does not purport to address test methods or procedures developed specifically for the functional powder coating market, those coating powders for application to pipe or reinforced steel bars rebar. Information on current test procedures for pipe and reinforced steel bar coating powders and powder coatings can be obtained through their respective ASTM Subcommittees, A It should be noted that many of the methods used for characterizing a coating powder, such as gel time Section 16 and inclined flow Section 17 , are primarily meant for the relative comparison of two coating powders, rather than to give a test value that can be interpreted as good or bad. Interpretation of the test results will depend on the specific application in question and will also often depend on the chemistry of the coating powder used.

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