Norm

ASTM D817-12

Standard Test Methods of Testing Cellulose Acetate Propionate and Cellulose Acetate Butyrate

61,51

Over deze norm

Status Definitief
Aantal pagina's 15
Commissie D01.36
Gepubliceerd op 01-11-2012
Taal Engels

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:

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

67-71


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.

Details

ICS-code 85.040
Nederlandse titel Standard Test Methods of Testing Cellulose Acetate Propionate and Cellulose Acetate Butyrate
Engelse titel Standard Test Methods of Testing Cellulose Acetate Propionate and Cellulose Acetate Butyrate

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