Standard
UPDATE AVAILABLE
AS/NZS 3957:2014
[Superseded]Light-transmitting screens and curtains for welding operations
This Standard sets out the safety and physical requirements for light-transmitting screens and curtains intended to provide protection against hazardous radiation generated during welding processes, while simultaneously affording visual contact with the working position.
Published: 27/06/2014
Pages: 21
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Application
1.3 Referenced documents
1.4 Definitions
2 Design, construction and performance requirements
2.1 Design and construction
2.1.1 General
2.1.2 Visibility
2.2 Performance requirements
2.2.1 General
2.2.2 Transmission of optical radiation
2.2.2.1 General
2.2.2.2 Ultraviolet spectral transmittance
2.2.2.3 Luminous transmittance
2.2.2.4 Blue light radiance reduction factor
2.2.2.5 Luminance factor
2.2.3 Resistance to ultraviolet radiation
2.2.4 Seam and eyelet strength
2.2.5 Flame propagation
3 Classification and materials
3.1 Classification
3.2 Materials
4 Marking
Appendix A
A1 Scope
A2 Principle
A3 Apparatus
A4 Specimen preparation
A5 Scale calibration of spectrophotometer
A6 Procedure
A7 Test report
Appendix B
B1 Scope
B2 Principle
B3 Apparatus
B4 Specimen
B5 Specimen preparation
B6 Procedure
B7 Calculation
B8 Test report
Appendix C
C1 Scope
C2 Principle
C3 Apparatus
C4 Specimen preparation
C5 Procedure
C6 Calculation
C7 Test report
Appendix D
D1 Scope
D2 Principle
D3 Apparatus
D4 Specimen preparation
D5 Procedure
D6 Calculation
D7 Test report
Appendix E
E1 Scope
E2 Principle
E3 Apparatus
E4 Specimen
E5 Specimen preparation
E6 Procedure
E7 Reporting of results
Appendix F
F1 Scope
F2 Principle
F3 Apparatus
F4 Specimen
F5 Specimen preparation
F6 Procedure
F6.1 Samples with two eyelets under test
F6.2 Samples with one eyelet under test
F6.3 Samples with no eyelets under test
F7 Test report
Appendix G
G1 Scope
G2 Principle
G3 Apparatus
G4 Specimen
G5 Specimen preparation
G6 Procedure
G7 Test report
Cited references in this standard
[Current]
Personal eye protection, Part 1: Eye and face protectors for occupational applications
ANSI 4950
American National Standard for Evaluating Welding Pads, Welding Blankets and Welding Curtains for Hot Work Operations
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