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ASTM D6943-10
Standard Practice for Immersion Testing of Industrial Protective Coatings
Automatische name übersetzung:
Standard Praxis für Sion Prüfung von Industrie Protective Coatings
NORM herausgegeben am 1.2.2010
Informationen über die Norm:
Bezeichnung normen: ASTM D6943-10
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.2.2010
SKU: NS-37087
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM D6943-10 :
Keywords:
chemical, concrete, cycling, evaluation, immersion, panels, steel, temperature gradient, testing, Chemicals, Contamination--coatings, Degradation--paints/related coatings/materials, Immersion--coatings, Protective coatings, ICS Number Code 25.220.99 (Other treatments and coatings)
Ergänzende Informationen
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Protective coatings are used on metallic and concrete storage and processing vessels, shipping containers, dams and rail cars to protect the substrate from corrosive attack and to protect stored materials (cargo) from contamination. This method provides a means to assess the ability of a protective coating to resist degradation by chemicals and to protect the liquid cargo from contamination by either the substrate or coating, based on visual observations. Other measures of degradation, such as changes in weight or dimensions of the coating material, or chemical changes to the cargo, may be used to assess this protective ability as mutually agreed upon between contracting parties. This standard practice covers three approaches to conducting evaluations of a lining coating materials fitness for purpose. Method A—Evaluation of specimens under conditions of constant temperature at atmospheric pressure, (that is, without a thermal gradient). Method B—Evaluation of specimens under conditions which provides a temperature gradient across the sample: The temperature may increase from coated side to uncoated side (Method B1) or decrease from coated side to uncoated side (Method B2). Method C—Evaluation of specimens under conditions of constant temperature and increased pressure, (that is, without a thermal gradient). Exposure of materials of known performance (a control) at the same time as the test material is recommended. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This practice establishes procedures for the evaluation of the resistance of industrial protective coatings to immersion in chemicals. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parenthesis 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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