GB/T 12903-2008 English PDF (GB/T12903-2008)

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GB/T 12903-2008: Personal protective equipment terminology
GB/T 12903-2008
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.340.01
C 73
Replacing GB/T 12903-1991
Personal Protective Equipment Terminology
ISSUED ON: DECEMBER 11, 2008
IMPLEMENTED ON: OCTOBER 01, 2009
Issued by: General Administration of Quality Supervision, Inspection
and Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative References ... 5
3 General Terminology ... 5
4 Head Protective Equipment Terminology ... 8
5 Respiratory Protective Equipment Terminology ... 10
6 Eye and Face Protective Equipment Terminology ... 19
7 Hearing Protective Equipment Terminology ... 25
8 Hand Protective Equipment Terminology ... 28
9 Protective Shoes (Boots) Terminology ... 32
10 Body Protective Equipment Terminology ... 36
11 Fall Protection Equipment Terminology ... 43
12 Skin-Protector for Worker Terminology ... 48
13 Escape Protective Equipment Terminology ... 50
English Alphabet Index ... 52
Bibliography ... 63
Personal Protective Equipment Terminology
1 Scope
This Standard specifies the terms and definitions of personal protective equipment.
This Standard is applicable to the formulation and revision of relevant standards;
preparation of the technical documents; as well as the compilation and translation of
professional manuals, teaching materials, books and periodicals, etc.
This Standard is not applicable to personal protective equipment for medical rescue.
2 Normative References
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard 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 2428-1998 Head-Face Dimensions of Adults
GB/T 4854.1-2004 Acoustics - Reference Zero for the Calibration of Audiometric
Equipment - Part 1: Reference Equivalent Threshold Sound Pressure Levels for
Pure Tones and Supra-Aural Earphones
3 General Terminology
3.1 Personal protective equipment
The general term for all kinds of protective products worn, equipped and used by
practitioners to protect against the harm caused by physical, chemical, biological and
other external factors.
NOTE: The labor protection articles worn, equipped and used at the production site are also
called personal protective equipment.
3.2 Protective properties
Ability to defend against various hazards and harmful factors and protect the safety
3.14 Machinery Injury resistance
Ability to protect the human body from the harm caused by mechanical effects such as
impact, piercing, cutting, twisting, abrasion, and vibration, etc.
3.15 Biological resistance
The ability to defend against the harm caused by insects and microorganisms, etc.
3.16 Resistance to puncture
Ability to defend against piercing by sharp object.
3.17 Anti-impact properties
Ability to withstand the impact load of objects.
3.18 Performance properties
Ability to ensure the user’s convenience for using.
NOTE: It includes easy to put on and take off, dirt resistance, easy washing, easy storage,
resistance to transportation and easy maintenance, etc.
3.19 Efficacy of protector
Ability to ensure the user to play the working efficacy.
3.20 Durability
Ability to maintain the protective properties under the conditions of use and storage.
3.21 Comfort ability
Ability to make users feel fit physiologically and psychologically.
3.22 Abrasion resistance
Ability of the material to resist wear on the surface due to mechanical action.
NOTE: It is generally expressed by the number of times the material is resistant to friction, or
by the degree of change in the appearance, strength, thickness, weight, etc. of the sample after
a certain number of frictions.
3.23 Standard head dummy
Human head model made according to the standard size of Chinese adult head type
series specified in GB/T 2428-1998.
Components of the outer sur face of the head-protector.
NOTE: It generally consists of peak, brim, and top reinforcement.
4.2.2 Peak
The protruding part of the front of the shell.
4.2.3 Brim
On the shell, except for the peak, other protruding parts around the shell.
4.2.4 Top reinforcement
Structure for strengthening the top strength of the protective shell.
4.2.5 Harness
General term for internal parts of the shell.
NOTE: It includes headband, sweatband, inner cushion, liner strip, and inside lining, etc.
4.2.6 Headband
Strip-ring wrapping the head with a loop for fixing.
NOTE: The wearing position is usually located at the largest head circumference size above
the human eye.
4.2.7 Sweatband
Sweat-absorbent material attached to the inner surface of the headband.
4.2.8 Inner cushion
A component that absorbs impact between the safety helmet headband and shell.
4.2.9 Liner strip
The strap inside the safety helmet directly contacting the top of the head.
4.2.10 Chin Strap
A strap attached to the chin to assist in fixing.
NOTE: It generally consists of harnesses, and lock.
4.2.11 Lock
Adjust and fix the effective length of the harnesses.
5.1.2 Air-purifying respirator
The protective article that uses the purification components, by attaching, absorbing,
catalyzing or filtering, so as to remove the harmful substances in the ambient air, then
acts as an air source.
5.1.3 Self-inhalation air-purifying particle respirator
The protective article that overcomes the resistance of the components by the wearer's
spontaneous breathing and defends against particulate matter (such as toxic fume,
toxic mist) that harms the respiratory system or the eyes and faces.
5.1.4 Self-inhalation filter type dust respirator
The filter-type protective article for dust prevention that overcomes resistance of
components by the wearer’s spontaneous breathing.
5.1.4.1 Disposable facepiece
Simple dust respirator
The half mask that, with the simple and undetachable structure, is composed of the
filter material for the main body.
NOTE: Generally, it cannot be cleaned and reused. When any component fails, it shall be
discarded, with or without exhalation valve.
5.1.4.2 Replaceable facepiece
Complex dust respirator
The mask that is consisted of single or multiple replaceable filters.
NOTE: With or without breathing valve, with or without breathing catheter.
5.1.5 Non-powered air-purifying respirator
The air-purifying protective article that relies on the wearer's breath to overcome the
resistance of the components, so as to defend against toxic, harmful gases or vapors,
particulate matter (such as toxic fume, toxic mist), etc. that harm the respiratory system,
eyes and face.
5.1.5.1 Chin style gas mask
The gas mask of which the filter is directly connected with the cover body.
5.1.5.2 Chest style gas mask
The gas mask that uses air duct to connect the filter with the cover body.
so that the wearer's respiratory organs, eyes and face are completely isolated from the
outside toxic air or oxygen-deficient environment. The compressed air source is
provided to supply clean air to wearer, and the exhaled gas is directly discharged into
the atmosphere.
5.1.12 Positive-pressure respirator
The...