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GB 8965.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 8965.1-2020 | English | 205 |
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Protective clothing - Flame retardant protective clothing
| Valid |
| GB 8965.1-2009 | English | 150 |
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Protective clothing -- Flame-retardant protection -- Part 1: Flame-retardant protective clothing
| Obsolete |
| GB 8965-1998 | English | 519 |
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Flame-retardant protective clothing
| Obsolete |
| GB 8965-1988 | English | RFQ |
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Flame-Retardant protective clothing
| Obsolete |
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GB 8965.1-2020: Protective clothing - Flame retardant protective clothing---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB8965.1-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.340.10
C 73
Replacing GB 8965.1-2009
Protective clothing - Flame retardant protective
clothing
Issued on. JULY 23, 2020
Implemented on. AUGUST 01, 2021
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 7
4 Gradation... 9
5 Requirements... 9
6 Test method... 14
7 Inspection rules... 17
8 Identification, packaging and storage... 18
Appendix A (Normative) Thermal stability test method... 20
References... 22
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB 8965.1-2009, Protective clothing - Flame-retardant
protection - Part 1.Flame-retardant protective clothing. Compared with GB
8965.1-2009, the major technical changes of this Standard are as follows.
-- Add and update the normative references;
-- Add and modify some terms and definitions;
-- Delete Class-C flame retardant protective clothing and its requirements;
-- Add technical requirements for knitted outer shell and clothing;
-- Delete the requirements for outer shell bending length; add the
requirements for limit of decomposable carcinogenic aromatic amine dyes
and odor;
-- Add the requirements for physical and chemical properties of lining;
-- According to GB/T 5455-2014, stipulate the outer shell flame retardancy
test method;
-- Modify the technical requirements and indicators of the stitch length; add
the requirements for joint strength of general parts and the test methods
and requirements for joint flame retardancy;
-- Modify the indicator requirements for the strength of the crotch seam at the
back of the pants and the shoulder seam; add the seam strength
requirements for the armhole seam and other parts;
-- Add the overall thermal protective capability of the manikin flashover test
clothing;
-- Delete the thermal protective performance test method in Appendix A of
GB 8965.1-2009; revise the thermal stability test method in Appendix B of
GB 8965.1-2009 to Appendix A in this Standard;
-- Modify the number of samples for thermal stability and thermal protective
performance testing;
-- Modify the inspection rules;
-- Supplement and modify the contents of marking and labelling.
This Standard is proposed and managed by the Ministry of Emergency
Management of the People's Republic of China.
The previous versions of the standards which are replaced by this Standard are.
-- GB 8965-1988, GB 8965-1998;
-- GB 8965.1-2009.
Protective clothing - Flame retardant protective
clothing
1 Scope
This Standard specifies the classification, requirements, test methods,
inspection rules, identification, packaging and storage of flame-retardant
protective clothing.
This Standard applies to flame retardant protective clothing that is used in
places where there are open flames, sparks, or where there are flammable
substances and flashover risks.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For
undated references, the latest edition (including all amendments) applies to this
document.
GB/T 250, Textiles - Tests for colour fastness - Grey scale for assessing
change in colour
GB/T 2912.1, Textiles - Determination of formaldehyde - Part 1.Free and
hydrolyzed formaldehyde (water extraction method)
GB/T 3291.3, Textiles - Terms of textile material properties and test - Part 3.
General
GB/T 3916-2013, Textiles - Yarns from packages - Determination of single-
end breaking force and elongation at break using constant rate of extension
(CRE) tester
GB/T 3917.3, Textiles - Tear properties of fabrics - Part 3.Determination of
tear force of trapezoid-shaped test specimens
GB/T 3920, Textiles - Tests for colour fastness - Colour fastness to rubbing
GB/T 3921, Textiles - Tests for colour fastness - Colour fastness to washing
with soap or soap and soda
GB/T 3922, Textiles - Tests for colour fastness - Colour fastness to
perspiration
3 Terms and definitions
Terms and definitions determined by GB/T 12903, GB/T 3291.3 and the
following ones are applicable to this document.
3.1 Flame retardant protective clothing
Protective clothing that can prevent itself from being ignited, flaming
combustion, and flameless combustion within a certain period of time after
contact with flames and hot objects.
3.2 Afterflame time
Under the specified test conditions, the time of continuous flame combustion of
the material after the ignition source is removed.
3.3 Afterglow time
Under the specified test conditions, when the flame combustion is terminated,
or for flameless combustion, after the ignition source is removed, the time of
continuous flameless combustion of the material.
3.4 Damaged length
Under the specified test conditions, the maximum length of the damaged part
of the material in the specified direction.
3.5 Thermal protective performance; TPP
In the process of testing the thermal protective material, the cumulative energy
that is determined by the intersection of the measured heat transfer reaction
curve of the material over the cumulative time and the Stoll curve.
3.6 Inherent flame-retardant fabric
Without any flame retardant after treatment, the flame-retardant fabric that has
the corresponding level of flame-retardant performance only through the flame-
retardant fiber material or the combination of flame-retardant fiber materials that
constitute the fabric.
4 Gradation
According to the protective ability of clothing, flame retardant protective clothing
is divided into two grades, A and B.
5 Requirements
5.1 Materials
5.1.1 Outer shell
5.1.2 Lining
If the flame-retardant protective clothing uses lining, the flame-retardant
performance of the lining shall meet the requirements of Table 3 before washing
and after washing through the washing procedure that is specified in 6.2.
5.1.3 Sewing thread
5.1.4 Accessories, auxiliary materials and interlining
5.2 Style
The style shall be simple, practical, and beautiful, and shall be selected from
the following styles.
Separate top and bottom clothing, trousers (cap) one-piece, etc.
5.3 Structure
5.3.1 When the tester wears clothing of the same size to perform the following
actions, the clothing shall always cover the torso and limbs; the waist, abdomen,
forearms, wrists, legs and other parts that are covered by the clothing shall not
be exposed.
5.3.2 The exposed pocket shall be covered with a flap; the length of the jacket
shall cover the upper end of the trousers by more than 20 cm; the cuffs, leg
openings and collar shall be closed; the length of the flap shall be greater than
the length of the pocket by 2 cm. The pockets on both sides of the trousers
must not have slant pockets, so as to avoid sloping up and overturning.
5.3.3 It is not easy to cause hooking, hanging, twisting and grinding during
operation.
5.4 Size and specifications
The size of the protective clothing shall meet the requirements of GB/T 13640;
the range beyond GB/T 13640 shall be set by the grade difference. The
allowable tolerances of the finished product size measurement position and
main parts comply with the regulations of FZ/T 81007.
5.5 Sewing
5.8 Flame retardant performance of finished products under flashover conditions
Test the samples before and after washing according to the method that is
specified in 6.22.
6 Test method
6.1 The thermal protective performance of the outer shell is tested according to
the provisions of GB/T 38302-2019; the number of samples is 3; the afterflame
time, afterglow time, damaged length and melting and dripping test methods of
the outer shell and lining are tested in accordance with the methods that are
specified in Condition A of GB/T 5455-2014.
6.2 Unless otherwise specified, use the A2 automatic washing machine that is
specified in GB/T 8629-2017 to wash the flame-retardant protective clothing or
outer shell in this Standard; use the normal stirring method to wash for 12.5 h;
6.3 Test the breaking force of the outer shell according to GB/T 3923.1.
6.4 Test the tear strength of the outer shell according to GB/T 3917.3.
6.5 Test the bursting strength of the outer shell according to the method that is
specified in GB/T 7742.1; the test area is 7.3 cm2.
6.6 Test the moisture permeability of the outer shell according to the method
that is specified in GB/T 12704.1.
6.10 The thermal stability test method of outer shell and lining shall be carried
out in accordance with Appendix A. Test Grade-A at (260±5) °C, and Grade-B
at (180±2) °C.
6.11 Perform the test of color fastness to washing with soap or soap and soda
according to provisions of GB/T 3921.
6.12 Perform the test of color fastness to rubbing according to provisions of
GB/T 3920.
6.20 For the seam strength test of the finished product, clothing of woven fabric
is tested according to the method that is specified in GB/T 21294; test the seam
strength of the clothing of knitted fabrics according to the method that is
specified in FZ/T 70007.The test position is the crotch seam at the back of the
pants and the underarm seam. Take a sample for each part.
6.21 The dimensional change rate of finished product after washing shall be
carried out in accordance with the provisions of GB/T 8628 and GB/T 8630.Use
the 4N program in GB/T 8629-2017 to wash; for the woven fabric, use the
hanging and drying method to dry; for the knitted fabric, use the spreading and
drying method to dry.
7 Inspection rules
7.1 Classification of quality defects
See Table 5 for the classification of quality defects.
7.2 Each quality defect is calculated cumulatively according to Table 5;
8 Identification, packaging and storage
8.1 Identification
8.1.1 Each set of protective clothing shall have a permanent mark, including a
certificate of quality, instructions for use and graphic symbols.
8.1.3 The product shall be accompanied by instructions for use, which shall
meet the requirements of GB/T 5296.4 and include the following contents.
8.1.4 The flame-retardant protective clothing shall have graphic symbols.
According to GB/T 20097, the form of Figure 1 shall be used; the number of this
Standard and the level of the flame-retardant protective clothing shall be
marked below the graphic symbols.
8.2 Packaging
The product packaging container shall be regular and firm, without damage; the
inner and outer packaging shall be equipped with a moisture-proof layer; the
combined size shall be matched; the product quantity shall be accurate; the
stack shall be neat. The box shall be accompanied by the manufacturer's
packaging inspection sheet;
8.3 Storage
The product shall not be put together with corrosive materials. The storage
place shall be dry and ventilated. Avoid direct sunlight. The package shall be
more than 20 cm away from the wall and the ground to prevent rat bites, insects,
and mildew.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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