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ASTM D333-01(2021)
Standard Guide for Clear and Pigmented Lacquers
NORMA vydaná dňa 1.6.2021
Informácie o norme:
Označenie normy: ASTM D333-01(2021)
Dátum vydania normy: 1.6.2021
Kód tovaru: NS-1027385
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM D333-01(2021) :
Keywords:
clear lacquers, pigmented lacquers,, ICS Number Code 87.040 (Paints and varnishes)
Doplňujúce informácie
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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3.1?These test methods are intended to compile as well as provide screening tests in evaluating clear and pigmented lacquers as used in different coating operations. 3.2?Each coating system may contain from a simple one coat operation to a multicoat finishing system. 3.3?The substrates may be varied, ferrous and non ferrous, plastic or wood which can affect the performance of a given coating system. 3.4?Substrate cleaning, chemically or physically, is an essential and critical aspect to the performance of the coating system. 3.5?Results from the various tests are not necessarily all useful in evaluating the performance of the different types of coating systems used on the many varied substrates. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1?These test methods cover procedures for testing lacquers and lacquer coatings. The test methods included are listed in Table 1. Note 1:?In accordance with Terminology D16, a lacquer is defined as a coating
composition that is based on synthetic thermoplastic film-forming
material dissolved in organic solvent(s) and that dries primarily
by solvent evaporation. Typical lacquers include those based on
nitrocellulose, other cellulose derivatives, vinyl resins, acrylic
resins, etc.
Note 2:?Lacquers may be applied under such diverse conditions,
to so many different surfaces, and their dried films may be
subjected to so many kinds of wear and exposure that it is not
possible to assure desired performance from a single selection of
test methods and numerical results therefrom. Those skilled in
lacquer technology may find partial assurance of obtaining desired
qualities in various types of lacquers through careful selection of
the methods covered herein and intelligent interpretation of
results therefrom.
Note 3:?It is intended ultimately to remove all experimental
procedures from Test Methods D333 and to establish them as a guide to
the selection of test methods for lacquer and perhaps to
interpretation of results therefrom. Temporarily there remain in
Test Methods D333 a few tests
that are too short or otherwise presently unsuitable for
establishment under separate ASTM designations.
1.2?The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.3?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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