GB 32166.1-2016 English PDF (GB32166.1-2016)

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GB 32166.1-2016: Personal protective equipment -- Eye and face protection -- Occupational eye and face protectors -- Part 1: Requirements
GB 32166.1-2016
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.340
C 73
Personal protective equipment - Eye and face
protection - Occupational eye and face protectors -
Part 1: Requirements
ISSUED ON: MARCH 24, 2016
IMPLEMENTED ON: MARCH 01, 2017
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 5 
4 Classification of occupational eye and face protectors ... 5 
4.1 Functional types of occupational eye and face protectors ... 5 
4.2 Types of occupational eye and face protectors ... 5 
5 Basic requirements ... 6 
5.1 Harmless ... 6 
5.2 Headband ... 6 
5.3 Minimum size requirements for assembled lenses ... 6 
5.4 Optical requirements ... 7 
5.5 Strength ... 8 
5.6 Anti-aging performance ... 9 
5.7 Flame-retardance ... 10 
5.8 Packaging and marking ... 10 
6 Special requirements ... 11 
6.1 Requirements for optical radiation protection ... 11 
6.2 Additional requirements for eye and face protectors for non-radiation industries
... 15 
Appendix A (Normative) Types of light radiation and determination of shading
number ... 18 
References ... 19 
Personal protective equipment - Eye and face
protection - Occupational eye and face protectors -
Part 1: Requirements
1 Scope
This part of GB 32166 specifies the classification, basic requirements and
special requirements of occupational eye and face protectors.
This part applies to clear lens protector or components used to protect eye or
face safety in occupational eye and face protectors (mainly for industrial
protection).
This part does not apply to:
a) General purpose sunglasses and sunglass lens or eye and face protectors
with vision correction;
b) Eye and face protectors used by patients to protect against exposure
during diagnosis or treatment;
c) Products that directly observe the sun, such as eye protection for
observing solar eclipses;
d) Sports eye and face protectors;
e) Short-circuit arc eye and face protectors;
f) Welding eye and face protectors;
g) Laser eye and face protectors.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 30042-2013 Personal protective equipment - Eye and face protection
- Vocabulary (ISO 4007:2012, MOD)
GB/T 32166.2-2015 Personal protective equipment - Eye and face
protection - Occupational eye and face protectors - Part 2: Test methods
3 Terms and definitions
The terms and definitions defined in GB/T 30042 apply to this document.
4 Classification of occupational eye and face
protectors
4.1 Functional types of occupational eye and face protectors
The function of occupational eye and face protector refers to the ability to
protect against one or more of the following dangers:
- Strong shocks of varying degrees;
- Light radiation;
- Heat, flame;
- Droplets;
- Spatter.
4.2 Types of occupational eye and face protectors
According to the structure and style, occupational eye and face protector can
be divided into the following types:
- Glass;
- Goggle;
- Facepiece.
Note: For specific definition, see GB/T 30042.
The measurement result shall be not more than 2%.
5.4.3.2 Narrow-angle scattering (light diffusion)
When the visible light transmittance of the occupational eye and face protector
is less than 15%, the test is performed according to the method specified in 5.5
of GB/T 32166.2-2015.
The measurement value of eye and face protectors used to protect high-speed
particles shall not be greater than 0.75 cd/(m2 · lx); the other eye and face
protectors shall not be greater than 0.50 cd/(m2 · lx).
5.4.4 Material and surface quality
The surface of the lens shall not have any surface defects that may damage
vision, such as: air bubbles, scratches, impurities, dark spots, corroded spots,
mildew spots, dents, repair spots, spots, blisters, water stains, pits, gas
inclusions, debris, cracks, polishing defects or ripples.
Test in accordance with the method specified in 5.6 of GB/T 32166.2-2015.
5.5 Strength
5.5.1 Minimum strength of unassembled lens
Perform the test according to the method specified in 6.1.1 of GB/T 32166.2-
2015. After the test, the sample shall not show the following conditions:
a) The lens is broken, that is, the lens is completely cracked or broken into
two or more pieces, or more than 5 mg of the material which is in contact
with the falling ball falls apart from the surface of the lens, or the ball
passes through the lens, all of which can be considered as that the lens
is broken;
b) Deformation of the lens, that is, the indentation on the opposite side of the
lens and the stressed position during the test, in this case the lens can be
regarded as deformed.
5.5.2 Minimum strength for occupational eye and face protector
Perform the test according to the method specified in 6.1.2 of GB/T 32166.2-
2015. After the test, the sample shall not show the following conditions:
a) The lens is broken, that is, the lens is completely cracked or broken into
two or more pieces, or more than 5 mg of the material which is in contact
with the falling ball falls apart from the surface of the lens, or the ball
passes through the lens, all of which can be considered as that the lens
brightest and darkest points in the 15 mm circular area at the geometric center
of the uncut edge of the single lens or around the reference point of the
assembled lens.
6.1.1.3.4 Stated transmittance characteristics
For lenses with a stated transmittance, it shall meet the following requirements:
- If the filter clearly states that it has x% absorption of blue light, the solar
blue light transmittance τsb of the filter must not exceed (100.5 - x)%;
- If the filter clearly states that its blue light transmittance is lower than x%,
the solar blue light transmittance τsb of the filter must not exceed (x + 0.5)%.
- If the filter clearly states that its UV absorption or UV transmittance reaches
to a certain percentage, it shall meet the corresponding requirements.
- If the filter clearly states that it has x% absorption of ultraviolet light, the
solar ultraviolet transmittance τSUV of the filter must not exceed (100.5 - x)%;
- If the filter clearly states that its transmittance to UV is below x%, the solar
UV transmittance τSUV of the filter must not exceed (x + 0.5)%;
- If the filter clearly states that it has x% absorption of long-wave UV, the solar
long-wave UV transmittance τSUVA of the filter must not exceed (100.5 - x)%;
- If the filter clearly states that its transmittance to long-wave UV is less than
x%, the solar long-wave UV transmittance τSUVA of the filter must not exceed
(x + 0.5)%;
- If the filter clearly states that it has x% absorption of medium-wave UV, the
solar medium-wave UV transmittance τSUVB of the filter must not exceed
(100.5 - x)%;
- If the filter clearly indicates that its transmittance to medium-wave UV is
below x%, the solar medium-wave UV transmittance τSUVB of the filter must
not exceed (x + 0.5)%.
6.2 Additional requirem...