GB/T 7568.6-2002Textiles -- Tests for colour fastness -- Specification for silk adjacent fabric (English PDF)

Foreword

GB/T 7568 is divided into seven parts:

---Specification for Wool Adjacent Fabric;

---Specification for Cotton and Viscose Adjacent Fabric;

---Specification for Polyamide Adjacent Fabric;

---Specification for Polyester Adjacent Fabric;

---Specification for Acrylic Adjacent Fabric;

---Specification for Silk Adjacent Fabric;

---Specification for Multifiber Adjacent Fabric.

This is the 6th part of GB/T 7568. The modification of this Part adopts ISO 105-F06:

2000 Textiles - Tests for Color Fastness - Part F06: Specification for Silk Adjacent

Fabric (English version).

This Part serves as a replacement of GB 7568-1987 Textiles - Tests for Color Fastness

- Specification for Standard Adjacent Fabric: Silk. Due to the development in the world,

the previous standard is already technically obsolete.

This Part was re-drafted in accordance with ISO 105-F06: 2000.

In consideration of the national conditions of China, this Part makes certain

adjustments while adopting the international standard. Relevant technical differences

have been included in the main body and marked through vertical single lines in the

margin of the involved clauses. Appendix A provides a table of these technical

differences and their causes, so as to serve as a reference.

In order to make it convenient to be used, this Standard also makes the following

editorial modifications:

a) The phrase "this part of ISO" is modified into "this Part";

b) Decimal point "." is used to replace comma ",", which acts as decimal point;

c) The foreword of the international standard is deleted.

In comparison with GB 7568-1987, this Part has the following main changes:

---Mass per unit area is modified into (60 ± 3) g/m2;

Textiles - Tests for Color Fastness -

Specification for Silk Adjacent Fabric

1 Scope

This Part stipulates unstained silk adjacent fabric which is applicable to the

assessment of staining in color fastness test. The staining property of silk adjacent

fabric to be tested shall be compared and assessed with standard silk adjacent fabric,

which shall be conducted through a piece of silk stained reference fabric and a piece

of cotton stained reference fabric. All the reference fabrics shall be obtained from

stipulated suppliers.

2 Normative References

Through the reference in this Part of GB/T 7568, clauses of the following documents

become clauses of this Part. In terms of references with a specific date, all the

subsequent modification sheets (excluding the corrected content) or the revised

editions are not applicable to this Standard. However, all parties that reach an

agreement in accordance with this Part are encouraged to explore the possibility of

adopting the latest version of these documents. In terms of references without a

specific date, the latest version is applicable to this Part.

GB 250 Gray Scale for Assessing Change in Color (GB 250-1995, idt ISO 105-A02:

1993);

GB/T 4669 Textiles - Woven Fabrics - Determination of Mass Per Unit Length and

Mass Per Unit Area (GB/T 4669-1995, eqv ISO 3801: 1977);

GB/T 5713 Textiles - Tests for Color Fastness - Color Fastness to Water (GB/T 5713-

1997, eqv ISO 105-E01: 1994);

GB/T 7568.2 Textiles - Tests for Color Fastness – Standard Adjacent Fabrics - Part 2:

Cotton and Viscose (eqv ISO 105-F02)1;

GB/T 7571 Wool - Determination of Solubility in Alkali (GB/T 7571-1987, eqv ISO 3072:

1975);

GB/T 7573 Textiles - Determination of pH of the Aqueous Extract (GB/T 7573-2002,

eqv ISO 3071: 1980);

GB/T 8424.1 Textiles - Tests for Color Fastness - General Principles for Measurement

1 This Standard will be issued based on the amendment of GB 7565-1987.

5 Assessment of Staining Properties of Silk Adjacent

Fabric to be Tested

2 This Standard will be amended and re-numbered into GB/T 7568.7.

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