Foreword
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB 14866-2006 The specifications for personal eye-protectors and GB 32166.1-2016 Personal protective equipment - Eye and face protection - Occupational eye and face protectors - Part 1: Requirements.
In addition to structural adjustments and editorial changes, the following main technical changes have been made with respect to GB 14866-2006:
——The clause "Scope" has been modified, with addition of inapplicable products (see Clause 1 hereof; Clause 1 of Edition 2006);
——The terms such as "lenses covering one eye", "lenses covering both eyes" and "astigmatic power" and their definitions have been added (see Clause 3 hereof);
——According to the development and changes of eye and face protection products, the schematic diagrams of eye and face protection products have been modified, and the types of products have been added (see Clause 4 hereof; 4.1.3 of Edition 2006);
——The subclause "Lens types" has been deleted (see 4.2 of Edition 2006);
——The subclause "Functions of eye-protectors" has been deleted (see 4.3 of Edition 2006);
——The requirements for materials, structure and maintenance of eye and face protection products have been modified (see Clause 5 hereof; 5.1 and 5.2 of Edition 2006);
——The requirements for the field of view of eye and face protection products have been added (see 6.1 hereof);
——The subclause "Lens specifications" has been deleted (see 5.4 of Edition 2006);
——The requirements for geometrical optical performance have been modified (see 6.2 hereof; 5.6 of Edition 2006);
——The geometrical optical requirements for eye and face protection products with vision correction function have been added (see 6.3 hereof);
——The requirements for luminous transmittance of eye and face protection products without filtering action have been modified (see 7.1 hereof; 5.6.3 of Edition 2006);
——The physical optical requirements such as scattered light, reflectance and traffic signal light recognition have been added (see Clause 7 hereof);
…
General technical specification for eye and face protector
1 Scope
This document specifies the classification, general requirements, geometrical optical performance requirements, physical optical performance requirements, physical and mechanical performance requirements, identification, information to be provided by the manufacturer, etc. of eye and face protection products.
It is applicable to the protective products or parts used to protect eyes or face in production and life.
It is not applicable to welding protectors, automatic welding filters, intense light source protectors, laser protectors, sunglasses and sunglass filters.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2410-2008 Determination of the luminous transmittance and haze of transparent plastics
GB 10810.4-2012 Uncut finished spectacle lenses - Part 4: Specifications and test methods for anti-reflective coatings
GB 13511.1-2011 Assembled spectacles - Part 1: Single-vision and multifocal
GB 13511.2-2011 Assembled spectacles - Part 2: Progressive power
GB/T 30042 Personal protective equipment - Eye and face protection - Vocabulary
GB/T 32166.2 Personal protective equipment - Eye and face protection - Occupational eye and face protectors - Part 2: Test methods
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 30042 and the following apply.
3.1
lenses covering one eye
lenses that can only cover one eye before assembly, as shown in Figure 1
Figure 1 Schematic diagram of lenses covering one eye
3.2
lenses covering both eyes
lenses that can cover both eyes before assembly, as shown in Figure 2
Figure 2 Schematic diagram of lenses covering both eyes
3.3
spherical power
arithmetic average of the focal power on the two vertical principal meridians of the lens
3.4
astigmatic power
absolute value of the difference in focal power between the two vertical principal meridians of the lens
4 Classification of eye and face protection products
According to the shape and structure, eye and face protection products may be classified into spectacles type, goggle type, face-screen type and so on. Examples of common eye and face protection products are shown in Figures 3, 4 and 5.
Foreword III
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of eye and face protection products
5 General requirements and test methods
5.1 Biocompatibility
5.2 Structure and adjustment
5.3 Cleaning and disinfection
6 Geometrical optical performance requirements and test methods
6.1 Field of view
6.2 Refractive power and prism imbalance of non-prescription eye and face protection products
6.3 Refractive power and prism imbalance of eye and face protection products with vision correction function
7 Physical optical performance requirements and test methods
7.1 Luminous transmittance
7.2 Uniformity of transmittance
7.3 Scattered light
7.4 Reflectance
7.5 Driving transmittance requirements and traffic signal light recognition
8 Physical and mechanical performance requirements and test methods
8.1 Areas to be protected
8.2 Basic impact protection performance
8.3 High-speed particle impact protection performance
8.4 High and heavy object impact protection performance
8.5 Headband or harness
8.6 Material and surface quality
8.7 Heat resistance
8.8 Resistance to ultraviolet radiation
8.9 Corrosion resistance
8.10 Flame retardancy
8.11 Puncture resistance of vents
8.12 Wear resistance
9 Identification and test methods
9.1 General requirements
9.2 Permanency requirements
9.3 Identification arrangement method and requirements
10 Information to be provided by the manufacturer
10.1 General requirements
10.2 Necessary information
Annex A (Normative) Headform for eye and face protection
Annex B (Normative) Measurement method for field of view
B.1 Measuring devices
B.2 Measurement steps
Annex C (Normative) Test method for uniformity of transmittance
C.1 Measuring devices
C.2 Measurement steps
Annex D (Normative) Test method for coverage of areas to be protected at eye and face
D.1 Measuring devices
D.2 Measurement steps
Annex E (Normative) Test method for puncture resistance of vents
E.1 Measuring devices
E.2 Measurement steps
