AS/NZS 3957:2006
Light-transmitting screens and curtains for welding operations
Sets out the safety and physical requirements for light-transmitting screens and curtains intended to provide protection against hazardous radiations generated during welding processes while simultaneously affording visual contact with the working position.
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AS/NZS 3957:2006 LIGHT-TRANSMITTING SCREENS AND CURTAINS FOR WELDING OPERATIONS
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Luminance factor
1.4.2 Luminous transmittance
1.4.3 Radiance reduction factor
1.4.4 Spectral transmittance
1.4.5 Ultraviolet radiation
1.4.6 Welding
1.4.7 Welding curtain
1.4.8 Welding screen
SECTION 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
2.2.3 Resistance to ultraviolet radiation
2.2.4 Seam and eyelet strength
2.2.5 Flame propagation
SECTION 3 CLASSIFICATION AND MATERIALS
3.1 CLASSIFICATION
3.2 MATERIALS
SECTION 4 MARKING
APPENDIX A - DETERMINATION OF ULTRAVIOLET SPECTRAL TRANSMITTANCE
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A4 SPECIMEN
A5 SPECIMEN PREPARATION
A6 SCALE CALIBRATION OF SPECTROPHOTOMETER
A7 PROCEDURE
A8 TEST REPORT
APPENDIX B - DETERMINATION OF LUMINOUS TRANSMITTANCE
B1 SCOPE
B2 PRINCIPLE
B3 APPARATUS
B4 SPECIMEN
B5 SPECIMEN PREPARATION
B6 PROCEDURE
B7 CALCULATION
B8 TEST REPORT
APPENDIX C - DETERMINATION OF BLUE LIGHT RADIANCE REDUCTION FACTOR
C1 SCOPE
C2 PRINCIPLE
C3 APPARATUS
C4 SPECIMEN
C5 SPECIMEN PREPARATION
C6 PROCEDURE
C7 CALCULATION
C8 TEST REPORT
APPENDIX D - DETERMINATION OF LUMINANCE FACTOR
D1 SCOPE
D2 PRINCIPLE
D3 APPARATUS
D4 SPECIMEN
D5 SPECIMEN PREPARATION
D6 PROCEDURE
D7 CALCULATION
D8 TEST REPORT
APPENDIX E - DETERMINATION OF RESISTANCE TO ULTRAVIOLET RADIATION
E1 SCOPE
E2 PRINCIPLE
E3 APPARATUS
E4 SPECIMEN
E5 SPECIMEN PREPARATION
E6 PROCEDURE
E7 TEST REPORT
APPENDIX F - ASSESSMENT OF SEAM AND EYELET STRENGTH
F1 SCOPE
F2 PRINCIPLE
F3 APPARATUS
F4 SPECIMEN
F5 SPECIMEN PREPARATION
F6 PROCEDURE
F7 TEST REPORT
APPENDIX G - DETERMINATION OF FLAME PROPAGATION CHARACTERISTICS
G1 SCOPE
G2 PRINCIPLE
G3 APPARATUS
G4 SPECIMEN
G5 SPECIMEN PREPARATION
G6 PROCEDURE
G7 TEST REPORT
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References
Filters for eye protectors - Filters for protection against radiation generated in welding and allied operations
Related Information
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AS/NZS 3957:2014
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BS 4215-15:1990
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AS/NZS 3957:2006 LIGHT-TRANSMITTING SCREENS AND CURTAINS FOR WELDING OPERATIONS
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Luminance factor
1.4.2 Luminous transmittance
1.4.3 Radiance reduction factor
1.4.4 Spectral transmittance
1.4.5 Ultraviolet radiation
1.4.6 Welding
1.4.7 Welding curtain
1.4.8 Welding screen
SECTION 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
2.2.3 Resistance to ultraviolet radiation
2.2.4 Seam and eyelet strength
2.2.5 Flame propagation
SECTION 3 CLASSIFICATION AND MATERIALS
3.1 CLASSIFICATION
3.2 MATERIALS
SECTION 4 MARKING
APPENDIX A - DETERMINATION OF ULTRAVIOLET SPECTRAL TRANSMITTANCE
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A4 SPECIMEN
A5 SPECIMEN PREPARATION
A6 SCALE CALIBRATION OF SPECTROPHOTOMETER
A7 PROCEDURE
A8 TEST REPORT
APPENDIX B - DETERMINATION OF LUMINOUS TRANSMITTANCE
B1 SCOPE
B2 PRINCIPLE
B3 APPARATUS
B4 SPECIMEN
B5 SPECIMEN PREPARATION
B6 PROCEDURE
B7 CALCULATION
B8 TEST REPORT
APPENDIX C - DETERMINATION OF BLUE LIGHT RADIANCE REDUCTION FACTOR
C1 SCOPE
C2 PRINCIPLE
C3 APPARATUS
C4 SPECIMEN
C5 SPECIMEN PREPARATION
C6 PROCEDURE
C7 CALCULATION
C8 TEST REPORT
APPENDIX D - DETERMINATION OF LUMINANCE FACTOR
D1 SCOPE
D2 PRINCIPLE
D3 APPARATUS
D4 SPECIMEN
D5 SPECIMEN PREPARATION
D6 PROCEDURE
D7 CALCULATION
D8 TEST REPORT
APPENDIX E - DETERMINATION OF RESISTANCE TO ULTRAVIOLET RADIATION
E1 SCOPE
E2 PRINCIPLE
E3 APPARATUS
E4 SPECIMEN
E5 SPECIMEN PREPARATION
E6 PROCEDURE
E7 TEST REPORT
APPENDIX F - ASSESSMENT OF SEAM AND EYELET STRENGTH
F1 SCOPE
F2 PRINCIPLE
F3 APPARATUS
F4 SPECIMEN
F5 SPECIMEN PREPARATION
F6 PROCEDURE
F7 TEST REPORT
APPENDIX G - DETERMINATION OF FLAME PROPAGATION CHARACTERISTICS
G1 SCOPE
G2 PRINCIPLE
G3 APPARATUS
G4 SPECIMEN
G5 SPECIMEN PREPARATION
G6 PROCEDURE
G7 TEST REPORT
AS/NZS 3957:2006
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.