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ASTM International , 12/01/2019
Publisher: ASTM
File Format: PDF
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1.1These test methods cover procedures for the testing of cellulose acetate propionates and acetate butyrates. These esters may vary widely in composition and properties, so certain of the procedures can be used only in the ranges of composition where they are suitable.
1.2The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3The test procedures appear in the following sections:
Sections
Acetyl Propionyl or Butyryl Contents
28 - 37
Acetyl Content, Apparent
18 - 27
Acidity, Free
12 - 17
Ash
7 - 10
Color and Haze
77 - 81
Heat Stability
57 - 65
Hydroxyl Content
38 - 44
Hydroxyl Content, Primary
46 - 50
Intrinsic Viscosity
67 - 71
Moisture Content
5-6
Sulfur or Sulfate Content
51 - 56
Viscosity
74-75
Limiting Viscosity Number
1.4This 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.
1.5This 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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