1 Scope
This standard specifies specific design requirements, colours, retroreflective performance, test methods and markings for high-visibility warning clothing.
This standard is applicable to high-visibility warning clothing for professional use, which will enhance visibility and personal safety of operation personnel in all sorts of post.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 250 Gray scale for assessing change in colour (GB 250-1995, idt ISO 105/A02-1993)
GB 251 Gray scale for assessing staining (GB 251-1995, idt ISO 105/A03-1993)
GB/T 1335.1 Size designation of clothes — Men
GB/T l 335.2 Size designation of clothes — Women
GB/T 3917.1 Textiles — Tear properties of fabrics — Part 1: Determination of tear force — Ballistic pendulum method (Elmendorf)
GB/T 3920 Textiles — Tests for colour fastness — Colour fastness to rubbing (GB/T 3920-1997, eqv ISO 105-X 12:1993)
GB/T 3922 Textiles — Testing method for colour fastness to perspiration (GB/T 3922-1995, eqv ISO 105-E04)
GB/T 3923.1 Textiles — Tensile properties of fabrics — Part 1: Determination of breaking force and elongation at breaking force — Strip method
GB/T 3978 Standard illuminants and illuminating-viewing conditions
GB/T 3979 Methods of measuring the colour of materials
GB 5296.4 Instructions for use of products of consumer interest — Instructions for use of textiles and apparel
GB/T 5711 Textiles — Tests for colour fastness — Colour fastness to dry cleaning (eqv ISO 105-D01)
GB/T 6152 Textiles — Tests for colour fastness — Colour fastness to hot pressing (eqv ISO 105-X11:1994)
GB/T 7069 Textiles — Testing method for colour fastness to bleaching — Hypochlorite (eqv ISO 105-N 01:1993)
GB/T 7742.1 Textiles — Bursting properties of fabrics — Part 1: Hydraulic method for determination of bursting strength and bursting distension (ISO 13938-1:1999, MOD)
GB/T 8427-1998 Textiles — Tests for colour fastness Colour fastness to artificial light: Xenon arc fading lamp test (eqv ISO 105-B02:1994)
GB/T 8628-2001 Textiles — Preparation, marking and measuring of fabric specimens and garments in tests for determination of dimensional change (eqv ISO 3759:1994)
GB/T 8629-2001 Textiles — Domestic washing and drying procedures for textile testing (eqv ISO 6330:2000)
GB/T 8685 Care labeling code of textiles and apparel
GB/T 12490-1990 Textiles — Testing method for colour fastness to domestic and commercial laundering (neq ISO 105-C06:1987)
GB/T 12586-2003 Rubber-or plastics-coated fabrics — Determination of resistance to damage by flexing (ISO 7854-1984, IDT)
GB/T 12704 Fabrics — Determination of water vapour transmission rate — Dish method
GB/T 18426 Rubber or plastics-coated fabrics — Low-temperature bend test (GB/T 18426-2001, idt ISO 4675:1990)
GB/T 19981.2-2005 Textiles — Professional care, dry-cleaning and wet-cleaning of fabrics and garments — Part 2: Procedure for testing performance when dry-cleaning and finishing using tetrachloroethene (ISO 3175-2:1998, MOD)
FZ/T 01011 Determination method of coated fabric abrasion resistance
3 Terms and Definitions
For the purposes of this standard, terms and definitions given in GB/T 3978, Appendix C and the following apply.
3.1
High-visibility warning clothing
Warning clothing made by vivid background material and retroreflective material according to specific design requirements.
3.2
Fluorescent material
Material that emits optical radiation at wavelengths longer than absorbed.
3.3
Background material
Coloured fluorescent material intended to be highly conspicuous, but not intended to comply with the requirements of this standard for retroreflective material.
3.4
Retroreflective material
Material which is a retroreflector but which is not intended to comply with the requirements of this standard for background material.
Foreword II
Introduction III
1 Scope
2 Normative References
3 Terms and Definitions
4 Design
5 Requirements for Background Material, Non-fluorescent Material and Combined Performance Materials
6 Photometric and Physical Performance Requirements for the Retroreflective Material and Combined Performance Material
7 Test Methods
8 Marking, Maintenance Label and Operating Instruction
Appendix A (Informative) Examples for Positioning of Bands of Retroreflective Material
Appendix B (Informative) Chromaticity Diagram of Background Material and Combined Performance Material
Appendix C (Normative) Determination Method of Coefficient of Retroreflecfion
Appendix D (Normative) Method of Measuring Wet Retroreflective Performance
Bibliography
