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ASTM D6763-16(2022)
Standard Guide for Testing Exterior Wood Stains and Clear Water Repellents
Přeložit název
NORMA vydána dne 1.12.2022
Informace o normě:
Označení normy: ASTM D6763-16(2022)
Datum vydání normy: 1.12.2022
Kód zboží: NS-1097636
Počet stran: 9
Přibližná hmotnost: 27 g (0.06 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM D6763-16(2022) :
This guide covers the selection and use of procedures for testing exterior wood stains. This includes both water borne and solvent borne semitransparent and opaque stains. The different conditions that affect coatings are presented in details. The balance of properties must be considered when establishing the requirements and selecting the tests. The different test methods in determining the liquid coating properties are enumerated and discussed. The different methods in determining the coating application and film formation are presented and discussed in details. The different test methods of determining the appearance of dry films are presented. The different test method of determining the dry coating properties are presented in details. The different test methods and practices in performing the chemical analysis of exterior woods are presented in details. Although many of the recommended test methods attempt to simulate conditions under which coatings are applied and used, it is not possible to duplicate accurately all possible conditions. Testing materials, including appropriate controls, under field conditions is recommended for the final evaluation of suitability.
Keywords:
clear water repellents, exterior wood stains, viscosity,, ICS Number Code 79.040 (Wood, sawlogs and sawn timber)
Doplňující informace
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1?This guide covers the selection and use of procedures for testing exterior wood stains and clear water repellents. This includes both water borne and solvent borne semitransparent and opaque stains and clear water repellents. The properties that can be examined or, in some cases, the relevant test procedures are listed in 2.1 and 2.2. Note 1:?The term opaque stain is defined as a pigmented
composition intended for use on wooden surfaces to produce a
uniform finish that obscures the grain and color of the wood, but
not its surface texture; also called solid color or solid
hide.
Note 2:?The term semitransparent is defined as a pigmented
composition intended for use on wooden surfaces to produce a
uniform finish that does not fully obscure the grain or the texture
of the wood.
Note 3:?The term clear is defined as a transparent composition
intended for use on wooden surfaces to produce a uniform finish
that does not obscure the grain or texture of the wood.
1.1.1?DiscussionWhen applied to woods that differ in color, there is a color difference between stained substrates. 1.2?The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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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