AS/NZS 3957:2006

1 - AS/NZS 3957:2006 LIGHT-TRANSMITTING SCREENS AND CURTAINS FOR WELDING OPERATIONS
4 - PREFACE
5 - CONTENTS
6 - FOREWORD
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 APPLICATION
7 - 1.3 REFERENCED DOCUMENTS
7 - 1.4 DEFINITIONS
7 - 1.4.1 Luminance factor
7 - 1.4.2 Luminous transmittance
8 - 1.4.3 Radiance reduction factor
8 - 1.4.4 Spectral transmittance
8 - 1.4.5 Ultraviolet radiation
8 - 1.4.6 Welding
8 - 1.4.7 Welding curtain
8 - 1.4.8 Welding screen
9 - SECTION 2 DESIGN, CONSTRUCTION AND PERFORMANCE REQUIREMENTS
9 - 2.1 DESIGN AND CONSTRUCTION
9 - 2.1.1 General
9 - 2.1.2 Visibility
9 - 2.2 PERFORMANCE REQUIREMENTS
9 - 2.2.1 General
9 - 2.2.2 Transmission of optical radiation
10 - 2.2.3 Resistance to ultraviolet radiation
10 - 2.2.4 Seam and eyelet strength
10 - 2.2.5 Flame propagation
11 - SECTION 3 CLASSIFICATION AND MATERIALS
11 - 3.1 CLASSIFICATION
11 - 3.2 MATERIALS
12 - SECTION 4 MARKING
13 - APPENDIX A - DETERMINATION OF ULTRAVIOLET SPECTRAL TRANSMITTANCE
13 - A1 SCOPE
13 - A2 PRINCIPLE
13 - A3 APPARATUS
13 - A4 SPECIMEN
13 - A5 SPECIMEN PREPARATION
13 - A6 SCALE CALIBRATION OF SPECTROPHOTOMETER
14 - A7 PROCEDURE
14 - A8 TEST REPORT
15 - APPENDIX B - DETERMINATION OF LUMINOUS TRANSMITTANCE
15 - B1 SCOPE
15 - B2 PRINCIPLE
15 - B3 APPARATUS
15 - B4 SPECIMEN
15 - B5 SPECIMEN PREPARATION
15 - B6 PROCEDURE
16 - B7 CALCULATION
16 - B8 TEST REPORT
18 - APPENDIX C - DETERMINATION OF BLUE LIGHT RADIANCE REDUCTION FACTOR
18 - C1 SCOPE
18 - C2 PRINCIPLE
18 - C3 APPARATUS
18 - C4 SPECIMEN
18 - C5 SPECIMEN PREPARATION
18 - C6 PROCEDURE
18 - C7 CALCULATION
19 - C8 TEST REPORT
20 - APPENDIX D - DETERMINATION OF LUMINANCE FACTOR
20 - D1 SCOPE
20 - D2 PRINCIPLE
20 - D3 APPARATUS
20 - D4 SPECIMEN
20 - D5 SPECIMEN PREPARATION
20 - D6 PROCEDURE
20 - D7 CALCULATION
21 - D8 TEST REPORT
22 - APPENDIX E - DETERMINATION OF RESISTANCE TO ULTRAVIOLET RADIATION
22 - E1 SCOPE
22 - E2 PRINCIPLE
22 - E3 APPARATUS
22 - E4 SPECIMEN
22 - E5 SPECIMEN PREPARATION
22 - E6 PROCEDURE
23 - E7 TEST REPORT
24 - APPENDIX F - ASSESSMENT OF SEAM AND EYELET STRENGTH
24 - F1 SCOPE
24 - F2 PRINCIPLE
24 - F3 APPARATUS
24 - F4 SPECIMEN
24 - F5 SPECIMEN PREPARATION
24 - F6 PROCEDURE
25 - F7 TEST REPORT
26 - APPENDIX G - DETERMINATION OF FLAME PROPAGATION CHARACTERISTICS
26 - G1 SCOPE
26 - G2 PRINCIPLE
26 - G3 APPARATUS
26 - G4 SPECIMEN
26 - G5 SPECIMEN PREPARATION
27 - G6 PROCEDURE
28 - G7 TEST REPORT

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.

This Standard 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.

Originated in Australia as AS 3957-1991.
Originated in New Zealand as NZS 5852:1991.
Jointly revised and designated as AS/NZS 3957:2006.