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Standard Practice for Preparation of Uniform Free Films of Organic Coatings
Automaticky preložený názov:
Štandardná prax pre prípravu jednotná filmov náterových hmôt
NORMA vydaná dňa 1.11.2007
Označenie normy: ASTM D4708-07
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.11.2007
Kód tovaru: NS-28246
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
film, halosilane coated glass plates, lacquer, organic coatings, paints and related coatings, polyhexafluoropylene (FEP) substrate, silicone-coated paper, substrates, surface preparation, tension (tensile) properties/tests, vapors, varnishes, Film--paints/related coatings/materials, Substrates--coating applications, Tensile properties/testing--paints/related coatings, Halo-silane coated glass plates, Lacquer, Organic coatings, Dental tin foil substrate, Paint testing
| Significance and Use | ||||||||||
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Free films are required for conducting tests to evaluate physical properties such as tensile and elongation (Test Method D 2370), moisture vapor permeability (Test Methods D 1653), and other physical properties of organic coatings where the substrate may interfere with the determination. |
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| 1. Scope | ||||||||||
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1.1 This practice covers the preparation of free films of organic coatings for use in determining the physical properties of the coatings. Procedures are given for preparing free films on three alternative substrates. These substrates are treated FEP (fluorinated ethylene-propylene) sheet, silicone coated paper, and halosilane coated glass plates. 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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