ASTM-D817:2012 Edition

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D817-12 Standard Test Methods of Testing Cellulose Acetate Propionate and Cellulose Acetate Butyrate

Published By	Publication Date	Number of Pages
ASTM	2012	15

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Category: ASTM

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Description

1.1 These 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.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 The test procedures appear in the following sections:

1.4 This standard does not purport to address 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.

Additional information

	Sections
Viscosity	74 – 75
Heat Stability	57- 65
Hydroxyl Content, Primary	46- 50
Acetyl Content, Apparent	18- 27
Color and Haze	77- 81
Hydroxyl Content	38- 44
Acidity, Free	12- 17
Acetyl Propionyl or Butyryl Contents	28- 37
Intrinsic Viscosity	67- 71
Limiting Viscosity Number	67- 71
Sulfur or Sulfate Content	51- 56
Ash	7- 10
Moisture Content	5 – 6

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ASTM-D817:2012 Edition

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