GB 8965.1-2009_English: PDF (GB8965.1-2009)
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Protective clothing--Flame retardant protective clothing
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Protective clothing -- Flame-retardant protection -- Part 1: Flame-retardant protective clothing
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Preview PDF: GB 8965.1-2020 Standards related to: GB 8965.1-2009
| Standard ID | GB 8965.1-2009 (GB8965.1-2009) | | Description (Translated English) | Protective clothing -- Flame-retardant protection -- Part 1: Flame-retardant protective clothing | | Sector / Industry | National Standard | | Classification of Chinese Standard | W43 | | Classification of International Standard | 13.340.10 | | Word Count Estimation | 19,161 | | Date of Issue | 2009-04-01 | | Date of Implementation | 2009-12-01 | | Older Standard (superseded by this standard) | GB 8965-1998 | | Quoted Standard | GB/T 250; GB/T 2912.1; GB/T 3916-1997; GB/T 3917.3; GB/T 3920; GB/T 3921.1; GB/T 3921.3; GB/T 3922; GB/T 3923.1; GB/T 4802.1; GB 5296.4; GB/T 5455; GB/T 5713; GB/T 7573; GB/T 8628; GB/T 8629-2001; GB/T 8630; GB/T 13171; GB/T 13640; GB/T 12704; GB/T 12903; GB/T 17591; GB/T 1759 | | Drafting Organization | General Logistics Department Quartermaster Equipment Institute | | Administrative Organization | National Personal Protective Equipment Standardization Technical Committee | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 4, 2009 (No. 144 overall) | | Proposing organization | National Technical Committee of Standardization for Personal Protective Equipment | | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | | Summary | This Chinese standard provides the technical requirements for flame-retardant clothing, inspection (testing) methods, inspection rules, marking, packaging and storage. This applies to those who took part in a fire, emitting sparks, molten metal and flammable substances near the operation and have a place to wear Ignition Dangerous retardant clothing. This standard does not apply to fire rescue wearing flame-retardant protective clothing. |
GB 8965.1-2009
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.340.10
W 43
Replacing GB 8965-1998
Protective clothing - Flame-retardant protection -
Part 1: Flame-retardant protective clothing
ISSUED ON: APRIL 01, 2009
IMPLEMENTED ON: DECEMBER 01, 2009
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine;
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 Grading ... 7
5 Requirements ... 8
6 Test methods ... 14
7 Inspection rules ... 15
8 Marks, packaging and storage ... 17
Annex A (normative) Test method for thermal protective performance ... 22
Annex B (normative) Test method for thermal stability ... 28
Protective clothing - Flame-retardant protection -
Part 1: Flame-retardant protective clothing
1 Scope
This Part of GB 8965 specifies technical requirements, inspection (test)
methods, inspection rules, marks, packaging and storage for flame-retardant
protective clothing.
This Part is applicable to the flame-retardant protective clothing for users who
are conducting operation in a place where there are open flames, sparks, near
molten metal, and flammable substances with a risk of fire.
This Part is not applicable to the flame-retardant protective clothing used for fire
rescue.
2 Normative references
The provisions in following documents become the provisions of this Part of GB
8965 through reference in this Part. For dated references, the subsequent
amendments (excluding corrigendum) or revisions do not apply to this Part,
however, parties who reach an agreement based on this Part are encouraged
to study if the latest versions of these documents are applicable. For undated
references, the latest edition of the referenced document applies.
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 3916-1997, Textiles - Yarns from packages - Determination of single-
end breaking force and elongation at break
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 3921.1, Textiles - Tests for colour fastness - Colour fastness to washing:
Test 1
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T
12903 as well as the followings apply.
3.1 flame-retardant protective clothing
The protective clothing that can prevent itself from being ignited, flame burning
and afterglow in contact with flames and hot objects.
3.2 afterflame time
The time that, under specified test conditions, the material continues to burn
after removing (igniting) the ignition source.
3.3 afterglow time
The time that, under specified test conditions, when the flame combustion ends,
or after removing (igniting) the ignition source, the material continues to burn
without flames.
3.4 damage length
The maximum length of material damage area in specified direction, under
specified test conditions.
3.5 TPP; Thermal protective performance
The thermal energy value 1 that causes second degree burns on the human
body through fabrics.
4 Grading
The flame-retardant protective clothing is graded into three levels: A, B, C.
a) Level A is applicable to the flame-retardant protective clothing for users
who are conducting operation in a place where there are open flames,
sparks, near molten metal, with radiant heat and convective heat. See
Table 1 and Table 2 for material requirements for level A flame-retardant
protective clothing;
b) Level B is applicable to the flame-retardant protective clothing for users
who are conducting operation in a place where there are open flames,
sparks, flammable substances, with a risk of fire. See Table 1 and Table 2
1 The higher the value of thermal protective performance, the stronger the thermal protective performance
of the fabric.
a) Buckles, hooks and zippers shall be easy to connect and disconnect. The
materials of buckles, hooks and zippers shall not be made of fusible,
flammable and deformable materials. If they must be used, their surfaces
need to be covered with flame-retardant clothing;
b) Metal parts shall not be in direct contact with human body. If elastic
material is used, the covering material must be flame retardant. When
lining must be used, the lining must not be melted;
c) When using reflective tape and other ingredients, the ingredients must be
flame retardant materials. The retroreflection coefficients of the reflective
tape shall meet the requirements for reflective material above level 2 in
6.1 of GB 20653-2006. Flame retardant performance meets the relevant
requirements of this Part.
5.1.3.2 Linings
Polyester / cotton fabrics can be applied with hot-melt adhesive linings. They
can be used for collars, gowns, sleeves, hem craft, waistband, pockets. The
applying parts are not permeated by glues. There shall be no foaming or
delamination after 20 times of water washing.
5.2 Style
The style shall be simple, practical and beautiful. It shall be selected from the
following styles:
a) Top-bottom separate style;
b) One-piece style.
5.3 Structure
5.3.1 Safe, hygienic and favorable for normal physiological requirements and
health of the human body.
5.3.2 Adapt to physical movements during operation, easy to put on and take
off. Wearing size is required loose.
5.3.3 Exposed clothing pockets must have flaps. The length of the top shall
cover the upper end of the pants at least 20cm. Cuffs, feet and collars shall be
bound off. The length of the flap shall be 2cm greater than the length of the
pocket mouth. Do not use diagonal slip pockets on the sides of the pants to
avoid exposed lines and live folds to turn upside down, so as to prevent
splashing molten metal, sparks from entering or accumulating.
5.3.4 It is not easy to cause hooking, hanging, twisting, or grinding during
operation.
6 Test methods
6.1 The determination of thermal protection coefficient of fabric is in accordance
with the provisions of Annex A. Other test methods for flame retardant
performance is in accordance with GB/T 5455.
6.2 The washing procedures before flame retardant performance test are in
accordance with “easing laundry procedures of automatic washing machine
(type A)” in GB/T 17596-1998. The number of washing times is 50 or 12, as
shown in the notes of Table 1. Washing powder shall be selected according to
the provisions of GB/T 13171.
6.3 The test methods for washing size change rate of fabric are in accordance
with the provisions of GB/T 8628 and GB/T 8630. Use 5A program in GB/T
8629-2001 to wash and program A to dry. If it indicates gentle washing or hand
washing in the use instructions, it shall use 7A or imitation hand washing
program to wash.
6.4 The thermal stability test of fabric: level A’s shall be carried out under the
conditions of (260°C±5°C), levels B and C’s shall be carried out under the
conditions of (180°C±2°C), in accordance with Annex B.
6.5 The breaking strength test of fabric is carried out according to GB/T 3923.1.
6.6 The tear strength test of fabric is carried out according to GB/T 3917.3.
6.7 The moisture permeability test of fabric is carried out according to Method
A of GB/T 12704.
6.8 The stiffness test of fabric is carried out according to GB/T 18318.
6.9 The fabric pilling test is carried out according to GB/T 4802.1.
6.10 The test of color fastness to washing is carried out according to GB/T
3921.1 or GB/T 3921.3.
6.11 The test of color fastness to perspiration is carried out according to GB/T
3922.
6.12 The test of color fastness to rubbing is carried out according to GB/T 3920.
6.13 The strength test of sewing thread is carried out according to 7.5 in GB/T
3916-1997.
6.14 The flame-retardant test of sewing thread is carried out according to the
following methods: after the high temperature oven is heated to 260°C and
stabilized, put 100m flame retardant sewing thread in the oven and take out
than 80 boxes, it shall extract one box for every 20 boxes. When it is greater
than 80 boxes, it shall extract 5 boxes. Inspect 2 spindles for each box. The
performance shall meet the requirements of 5.1.2. If it fails, it shall double
sampling for re-inspection. If it still fails, it shall stop using this batch of sewing
threads.
7.1.2 Exit-factory inspection (finished product inspection)
When it is less than 500 sets (pieces), randomly inspect 10 sets (pieces). When
it is 500 to 1000 sets (pieces), randomly inspect 20 sets (pieces). When it is
1000 sets (pieces), randomly inspect 30 sets (pieces). When it is over 1000
sets (pieces), randomly inspect 40 sets (pieces). The performance shall meet
the requirements of 5.2, 5.3, 5.4, 5.5, 5.6, 5.7. The quality determination is
according to relevant content of Table 6. The determination rules are in
accordance with 7.1.3.6. If it fails, it shall require doubling for re-inspection. If it
still fails after re-inspection, this batch of clothing shall stop from exiting factory.
7.1.3 Type inspection
7.1.3.1 Type inspection is required in one of the following cases:
- When material, process, producer changes;
- When production is resumed after production is stopped for one year;
- Periodic inspection for one year or thereafter;
- When it is proposed by competent authority or required by quality arbitration
inspection.
7.1.3.2 Type inspection items include material (material in finished clothing),
style, structure, type specification, sewing, appearance, physical and chemical
properties.
7.1.3.3 Sampling method is in accordance with 7.1.2. Extract 2 sets (pieces) of
finished products for testing of flame retardant and other physical and chemical
properties.
7.1.3.4 Classification of quality defects
When single set (piece) of products do not meet technical requirements
specified in this Standard, it shall constitute defects.
a) Serious defects
The defects that do not meet the standards and seriously reduce the
performance of the product or affect the appearance of the product are
called serious defects.
Annex A
(normative)
Test method for thermal protective performance
A.1 Scope
This method specified the test method for thermal insulation performance of
flame retardant protective clothing fabric that is placed horizontally and is
exposed to radiant and convective heat sources.
This method is applicable to the test of single or multiple layers of flame
retardant materials. It is not applicable to non-flame-retardant materials.
A.2 Principle
Horizontally place the flame-retardant material sample. Keep it at a certain
distance from the convection / radiation mixed heat source. When the amount
of heat transmitted is equivalent to causing secondary burns in human tissues,
record the exposure time. According to different placement positions of sample
and testing sensor, use direct contact to simulate the situation that the flame-
resistant protective clothing exists with the body in a certain space.
A.3 Testing devices (Figure A.1 ~ Figure A.4)
a) Heat source: including one radiant heat source and two convective heat
sources. The radiant heat source uses a group of nine T-150 infrared
quartz lamps. Place right below the horizontally-placed sample at a certain
distance. The convective heat source uses two igniters. Symmetrically
place below the sample and at a 45° angle to the vertical line in the sample;
b) Protective fence: place between the heat source and the sample. Use the
opening and closing of the protective fence to control whether the sample
can receive the heat generated by the heat source;
c) Sample holder and mounting plate: the holder is used for sample
positioning. The size of mounting plate is 150mm × 150mm, and the
thickness is 1.6mm. There is a hole of 100mm × 100mm in the middle. A
6.5mm angle iron is welded vertically at each corner;
d) Sample holding plate: an iron plate with a size of 149mm × 149mm ×
15mm. There is a hole of 130mm × 130mm in the middle. The spacer and
sensor assemblies shall be mounted on them without bonding;
e) Spacer: 128mm × 128mm × 6.4mm, with a 110mm × 110mm hole in the
Annex B
(normative)
Test method for thermal stability
B.1 Application scope
This test method is used for thermal stability test of fabrics, supplementary
materials and components of flame-retardant protective clothing.
B.2 Sample
The sample size is 100mm × 100mm. The sampling quantity in the warp and
weft directions is 3, respectively. If flame retardant protective clothing has
multiple layers, test it as a whole. As required, if it is water washing, it shall
respectively test before and after 3 times of washings according to GB/T 17596.
B.3 Test devices
B.3.1 Drying box
Temperature range: 20°C~300°C;
Temperature fluctuation: ± 2.0°C;
There is sufficient volume to separately place the test sample.
B.3.2 Measuring ruler
Use a 1m long millimeter scale.
B.4 Test preparation
Hold the sample for 24h under a standard atmospheric pressure, 20°C±2°C and
a relative humidity of 65%±5%.
B.5 Test steps
Heat the drying box to the temperature required: (260°C±2°C) for level A,
(180°C±2°C) for levels B and C. Immediately place the hanging sample into the
drying box. The sample shall not contact the wall of the drying box. Close the
time since the door of drying box is closed. Open the drying box door after 5min.
Take out the sample. It shall measure the sizes in the length, width directions
at room temperature within 2min.
B.6 Test conclusion
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