• ASTM D629-08

ASTM D629-08

Standard Test Methods for Quantitative Analysis of Textiles

ASTM International, 08/01/2008

Publisher: ASTM

File Format: PDF

$43.00$86.00


Published:01/08/2008

Pages:22

File Size:1 file , 360 KB

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1.1 These test methods cover procedures for the determination of the fiber blend composition of mixtures of the fibers listed in 1.2. Procedures for quantitative estimation of the amount of moisture and certain nonfibrous materials in textiles are also described, for use in the analysis of mixtures, but these are not the primary methods for the determination of moisture content for commercial weights.

1.2 These test methods cover procedures for the following fiber types:

1.2.1 Natural Fibers:

1.2.1.1 Cellulose-Base Fibers:

Cotton

Hemp

Flax

Ramie

1.2.1.2 Protein-Base Fibers:

Animal hairs (other than wool)

Silk, cultivated

Silk, Tussah

Wool

1.2.2 Man-Made Fibers:

1.2.2.1 Cellulose-Base Fibers:

Acetate (secondary)

Rayon, viscose or cuprammonium

Triacetate

1.2.2.2 Synthetic-Base Fibers:

Acrylic

Aramid

Modacrylic

Nylon 6, Nylon 6-6, others

Olefin

Polyester

Spandex

1.3 These test methods include the following sections and tables:

Section
Referenced Documents 2
Terminology 3
Summary of Methods 4
Uses and Significance 5
Sampling 7
Purity of Reagents 6
Moisture Content or Moisture Regain 9
Nonfibrous Materials 8
Mechanical Separation or Dissection 10
Chemical Test Methods:
Summary of Methods 11
Specimens and Symbols 12
No. 1 Acetate Mixed With Other Fibers 13
No. 2 Modacrylic Mixed With Cellulosic Fiber or Wool 14
No. 3 Nylon 6 or Nylon 6-6 Mixed With Natural Fibers or Rayon 15
No. 4 Rayon Mixed With Cotton 16
No. 5 Wool or Polyester Mixed With Cellulosic Fibers or Silk 17
No. 6 Polyester or Acrylic Mixed With Wool 18
No. 7 Natural Cellulosic Material and Rayon Mixed With Acrylic, Modacrylic, and Polyester 19
No. 8 Polyester Mixed With Olefin 20
No. 9 Polyester Mixed With Acetate or Nylon 6,6-6 21
No. 10 Acrylic Fiber or Linear Spandex Mixed With Nylon or Polyester 22
Microspical Analysis
Scope 23
Summary of Method 24
Sampling 26
Apparatus 25
Procedure 27
Indexing Term 28
Table
Chemical Methods for Analysis of Fiber Mixtures 1
Solubilities of Various Fibers in Solvents Used in Chemical
Methods
2
Comparative Scale for Fineness of Various Textile Fibers 3
Fineness Ranges and Fiber Diameters of Various Textile Fibers 4
Specific Gravity of Various Textile Fibers 5

1.4 The analytical procedures described in the test methods are applicable to the fibers listed in 1.2. The test methods are not satisfactory for the separation of mixtures containing fibers that fall within the same generic class but differ somewhat, either physically or chemically, from each other. These test methods are not satisfactory for the determination of bicomponent fibers.

Note 1 - For other methods of analysis covering specific determinations, refer to: Test Methods D 461, Test Method D 584, Methods D 885, Test Method D 1113, Test Method D 1334, and Test Method D 2130. Methods for moisture are covered in Methods D 885, Test Method D 1576, Test Method D 2462, Test Method D 2495 and Test Methods D 2654. For the determination of commercial weight, refer to Test Method D 2494.

1.5 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.

23.1 The following procedures may be used for the quantitative analysis of textiles containing two or more types of fibers that cannot be readily separate

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