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Standard Practice for Conducting Outdoor Exposure Tests of Varnishes (Withdrawn 2013)
Automaticky preložený názov:
Štandardná prax pre vedenie Vonkajší expozičných testov lakov ( Withdrawn 2013 )
NORMA vydaná dňa 1.6.2004
Označenie normy: ASTM D1641-04
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.6.2004
Kód tovaru: NS-17915
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
durability outdoors, exterior varnish durability, varnishes, ICS Number Code 87.040 (Paints and varnishes)
Significance and Use | ||||||||||||||||
The procedure described in this practice is designed to provide guidance for evaluating the effects of outdoor exposure on varnishes applied to wooden substrates. For many products, fixed angle exposures will produce higher degradation rates than the normal end use of the material. The degradation rate produced by this procedure depends on the season of the exposure and geographical location. Because outdoor weather conditions vary from season to season and year to year, this practice is not reliable for establishing absolute performance ratings for varnishes. The practice should be used only for comparing the relative performance of varnishes exposed at the same time and same location. |
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1. Scope | ||||||||||||||||
1.1 This practice covers the procedure for evaluating durability of varnishes applied to a wooden substrate. 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||||||||||||
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